./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2 --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 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:34,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:34,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 11:25:34,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:34,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:34,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:34,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:34,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:34,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:34,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:34,224 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:34,225 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:34,225 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:34,226 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:34,226 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:34,226 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:34,227 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:34,227 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:34,227 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:34,228 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:34,228 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:34,230 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:34,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:34,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:34,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:34,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:34,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:34,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:34,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:34,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:34,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:34,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:34,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 11:25:34,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:25:34,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:34,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:34,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:34,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:34,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:34,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:34,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:34,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:34,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:34,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:34,246 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:34,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:34,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:34,247 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:34,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:34,247 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2024-11-02 11:25:34,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:34,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:34,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:34,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:34,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:34,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread/stateful01-1.i Unable to find full path for "g++" [2024-11-02 11:25:36,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:36,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:36,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/sv-benchmarks/c/pthread/stateful01-1.i [2024-11-02 11:25:36,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/data/b0c2ca243/d3e21cc42f9c4202a0b8443274640f4f/FLAGfc08c3275 [2024-11-02 11:25:37,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/data/b0c2ca243/d3e21cc42f9c4202a0b8443274640f4f [2024-11-02 11:25:37,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:37,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:37,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:37,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:37,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:37,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:37,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2e5aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37, skipping insertion in model container [2024-11-02 11:25:37,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:37,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:37,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:37,837 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:37,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:37,957 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:37,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37 WrapperNode [2024-11-02 11:25:37,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:37,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:37,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:37,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:37,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:37,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,022 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2024-11-02 11:25:38,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:38,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:38,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:38,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:38,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:38,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:38,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:38,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:38,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (1/1) ... [2024-11-02 11:25:38,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:38,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:38,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:38,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 11:25:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 11:25:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 11:25:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 11:25:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 11:25:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 11:25:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:38,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:38,153 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 11:25:38,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:38,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:38,645 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 11:25:38,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:38,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:38,891 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:25:38,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:38 BoogieIcfgContainer [2024-11-02 11:25:38,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:38,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:38,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:38,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:38,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:37" (1/3) ... [2024-11-02 11:25:38,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3094e85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:38, skipping insertion in model container [2024-11-02 11:25:38,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:37" (2/3) ... [2024-11-02 11:25:38,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3094e85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:38, skipping insertion in model container [2024-11-02 11:25:38,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:38" (3/3) ... [2024-11-02 11:25:38,908 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-11-02 11:25:38,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:38,930 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-02 11:25:38,930 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 11:25:38,990 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 11:25:39,034 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 44 transitions, 102 flow [2024-11-02 11:25:39,150 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 683 states, 659 states have (on average 2.433990895295903) internal successors, (1604), 682 states have internal predecessors, (1604), 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) [2024-11-02 11:25:39,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:39,197 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;@dbd2298, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:39,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-02 11:25:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 683 states, 659 states have (on average 2.433990895295903) internal successors, (1604), 682 states have internal predecessors, (1604), 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) [2024-11-02 11:25:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 11:25:39,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:39,212 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 11:25:39,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:39,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:39,220 INFO L85 PathProgramCache]: Analyzing trace with hash -448880471, now seen corresponding path program 1 times [2024-11-02 11:25:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969237903] [2024-11-02 11:25:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:39,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:39,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:39,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969237903] [2024-11-02 11:25:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969237903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:39,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:39,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926084220] [2024-11-02 11:25:39,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:39,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:39,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:39,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:39,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:39,751 INFO L87 Difference]: Start difference. First operand has 683 states, 659 states have (on average 2.433990895295903) internal successors, (1604), 682 states have internal predecessors, (1604), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-02 11:25:39,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:39,993 INFO L93 Difference]: Finished difference Result 683 states and 1604 transitions. [2024-11-02 11:25:40,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:25:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-02 11:25:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:40,037 INFO L225 Difference]: With dead ends: 683 [2024-11-02 11:25:40,038 INFO L226 Difference]: Without dead ends: 610 [2024-11-02 11:25:40,044 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 [2024-11-02 11:25:40,051 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:40,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 31 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:40,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-02 11:25:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2024-11-02 11:25:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 595 states have (on average 2.3983193277310924) internal successors, (1427), 609 states have internal predecessors, (1427), 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) [2024-11-02 11:25:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 1427 transitions. [2024-11-02 11:25:40,239 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 1427 transitions. Word has length 6 [2024-11-02 11:25:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:40,240 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 1427 transitions. [2024-11-02 11:25:40,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-02 11:25:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1427 transitions. [2024-11-02 11:25:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 11:25:40,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:40,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:40,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:25:40,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:40,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:40,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1030392430, now seen corresponding path program 1 times [2024-11-02 11:25:40,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:40,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242648908] [2024-11-02 11:25:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:40,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242648908] [2024-11-02 11:25:40,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242648908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:40,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:40,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:40,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027926112] [2024-11-02 11:25:40,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:40,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:40,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:40,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:40,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:40,358 INFO L87 Difference]: Start difference. First operand 610 states and 1427 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-02 11:25:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:40,545 INFO L93 Difference]: Finished difference Result 699 states and 1618 transitions. [2024-11-02 11:25:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:25:40,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-02 11:25:40,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:40,552 INFO L225 Difference]: With dead ends: 699 [2024-11-02 11:25:40,553 INFO L226 Difference]: Without dead ends: 630 [2024-11-02 11:25:40,554 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 [2024-11-02 11:25:40,556 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:40,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 52 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:25:40,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-02 11:25:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2024-11-02 11:25:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 616 states have (on average 2.392857142857143) internal successors, (1474), 629 states have internal predecessors, (1474), 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) [2024-11-02 11:25:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1474 transitions. [2024-11-02 11:25:40,601 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1474 transitions. Word has length 7 [2024-11-02 11:25:40,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:40,601 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 1474 transitions. [2024-11-02 11:25:40,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-02 11:25:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1474 transitions. [2024-11-02 11:25:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-02 11:25:40,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:40,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:40,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:25:40,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:40,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1121397773, now seen corresponding path program 1 times [2024-11-02 11:25:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767294210] [2024-11-02 11:25:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:40,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:40,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:40,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767294210] [2024-11-02 11:25:40,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767294210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:40,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:40,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159825875] [2024-11-02 11:25:40,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:40,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:40,789 INFO L87 Difference]: Start difference. First operand 630 states and 1474 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-02 11:25:40,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:40,950 INFO L93 Difference]: Finished difference Result 648 states and 1513 transitions. [2024-11-02 11:25:40,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:25:40,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-02 11:25:40,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:40,956 INFO L225 Difference]: With dead ends: 648 [2024-11-02 11:25:40,956 INFO L226 Difference]: Without dead ends: 575 [2024-11-02 11:25:40,958 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 [2024-11-02 11:25:40,961 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:40,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 32 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-02 11:25:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 569. [2024-11-02 11:25:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 561 states have (on average 2.358288770053476) internal successors, (1323), 568 states have internal predecessors, (1323), 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) [2024-11-02 11:25:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 1323 transitions. [2024-11-02 11:25:40,985 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 1323 transitions. Word has length 12 [2024-11-02 11:25:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:40,986 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 1323 transitions. [2024-11-02 11:25:40,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-02 11:25:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1323 transitions. [2024-11-02 11:25:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 11:25:40,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:40,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:40,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 11:25:40,991 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:40,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash 403592886, now seen corresponding path program 1 times [2024-11-02 11:25:40,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:40,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616215212] [2024-11-02 11:25:40,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:41,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:41,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616215212] [2024-11-02 11:25:41,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616215212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:41,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:41,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767243581] [2024-11-02 11:25:41,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:41,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:41,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:41,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:41,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:41,091 INFO L87 Difference]: Start difference. First operand 569 states and 1323 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:25:41,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:41,197 INFO L93 Difference]: Finished difference Result 576 states and 1331 transitions. [2024-11-02 11:25:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:25:41,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-02 11:25:41,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:41,202 INFO L225 Difference]: With dead ends: 576 [2024-11-02 11:25:41,202 INFO L226 Difference]: Without dead ends: 495 [2024-11-02 11:25:41,203 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 [2024-11-02 11:25:41,204 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:41,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 34 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-02 11:25:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-02 11:25:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 491 states have (on average 2.3238289205702647) internal successors, (1141), 494 states have internal predecessors, (1141), 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) [2024-11-02 11:25:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 1141 transitions. [2024-11-02 11:25:41,223 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 1141 transitions. Word has length 13 [2024-11-02 11:25:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:41,224 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 1141 transitions. [2024-11-02 11:25:41,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 11:25:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1141 transitions. [2024-11-02 11:25:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-02 11:25:41,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:41,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:41,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 11:25:41,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:41,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:41,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2069592671, now seen corresponding path program 1 times [2024-11-02 11:25:41,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:41,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187733179] [2024-11-02 11:25:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:41,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:41,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187733179] [2024-11-02 11:25:41,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187733179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:41,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:41,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:41,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120507274] [2024-11-02 11:25:41,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:41,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:41,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:41,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:41,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:41,390 INFO L87 Difference]: Start difference. First operand 495 states and 1141 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-02 11:25:41,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:41,461 INFO L93 Difference]: Finished difference Result 670 states and 1522 transitions. [2024-11-02 11:25:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:25:41,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-02 11:25:41,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:41,464 INFO L225 Difference]: With dead ends: 670 [2024-11-02 11:25:41,465 INFO L226 Difference]: Without dead ends: 311 [2024-11-02 11:25:41,466 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 [2024-11-02 11:25:41,467 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 22 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:41,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 22 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:41,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-02 11:25:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-02 11:25:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 305 states have (on average 2.0491803278688523) internal successors, (625), 310 states have internal predecessors, (625), 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) [2024-11-02 11:25:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 625 transitions. [2024-11-02 11:25:41,480 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 625 transitions. Word has length 14 [2024-11-02 11:25:41,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:41,482 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 625 transitions. [2024-11-02 11:25:41,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-02 11:25:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 625 transitions. [2024-11-02 11:25:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 11:25:41,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:41,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:41,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 11:25:41,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:41,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:41,485 INFO L85 PathProgramCache]: Analyzing trace with hash -87572067, now seen corresponding path program 1 times [2024-11-02 11:25:41,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:41,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126662062] [2024-11-02 11:25:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:41,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:41,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:41,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126662062] [2024-11-02 11:25:41,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126662062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:41,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:41,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885894043] [2024-11-02 11:25:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:25:41,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:41,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:25:41,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:41,572 INFO L87 Difference]: Start difference. First operand 311 states and 625 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:41,686 INFO L93 Difference]: Finished difference Result 311 states and 625 transitions. [2024-11-02 11:25:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:25:41,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-02 11:25:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:41,691 INFO L225 Difference]: With dead ends: 311 [2024-11-02 11:25:41,691 INFO L226 Difference]: Without dead ends: 302 [2024-11-02 11:25:41,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-02 11:25:41,694 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:41,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 44 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-02 11:25:41,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-02 11:25:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 298 states have (on average 2.0369127516778525) internal successors, (607), 301 states have internal predecessors, (607), 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) [2024-11-02 11:25:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 607 transitions. [2024-11-02 11:25:41,707 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 607 transitions. Word has length 15 [2024-11-02 11:25:41,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:41,708 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 607 transitions. [2024-11-02 11:25:41,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 607 transitions. [2024-11-02 11:25:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 11:25:41,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:41,710 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:41,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 11:25:41,711 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:41,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:41,711 INFO L85 PathProgramCache]: Analyzing trace with hash -89500970, now seen corresponding path program 1 times [2024-11-02 11:25:41,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:41,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598295518] [2024-11-02 11:25:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:41,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:41,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:41,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598295518] [2024-11-02 11:25:41,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598295518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:41,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:41,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315112855] [2024-11-02 11:25:41,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:41,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:25:41,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:41,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:25:41,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:41,813 INFO L87 Difference]: Start difference. First operand 302 states and 607 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:41,938 INFO L93 Difference]: Finished difference Result 302 states and 607 transitions. [2024-11-02 11:25:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 11:25:41,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-02 11:25:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:41,941 INFO L225 Difference]: With dead ends: 302 [2024-11-02 11:25:41,941 INFO L226 Difference]: Without dead ends: 294 [2024-11-02 11:25:41,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:25:41,945 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 42 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 [2024-11-02 11:25:41,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 42 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:41,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-02 11:25:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-02 11:25:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 292 states have (on average 2.0239726027397262) internal successors, (591), 293 states have internal predecessors, (591), 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) [2024-11-02 11:25:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 591 transitions. [2024-11-02 11:25:41,957 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 591 transitions. Word has length 15 [2024-11-02 11:25:41,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:41,958 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 591 transitions. [2024-11-02 11:25:41,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 591 transitions. [2024-11-02 11:25:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-02 11:25:41,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:41,959 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] [2024-11-02 11:25:41,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 11:25:41,960 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:41,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1094550961, now seen corresponding path program 1 times [2024-11-02 11:25:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357815776] [2024-11-02 11:25:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:41,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:42,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:42,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357815776] [2024-11-02 11:25:42,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357815776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:42,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:42,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:42,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209335280] [2024-11-02 11:25:42,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:42,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:25:42,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:42,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:25:42,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:42,125 INFO L87 Difference]: Start difference. First operand 294 states and 591 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-02 11:25:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:42,252 INFO L93 Difference]: Finished difference Result 294 states and 591 transitions. [2024-11-02 11:25:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 11:25:42,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2024-11-02 11:25:42,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:42,255 INFO L225 Difference]: With dead ends: 294 [2024-11-02 11:25:42,256 INFO L226 Difference]: Without dead ends: 218 [2024-11-02 11:25:42,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:25:42,257 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 39 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:42,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 26 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:25:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-02 11:25:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-02 11:25:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 2.0046082949308754) internal successors, (435), 217 states have internal predecessors, (435), 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) [2024-11-02 11:25:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 435 transitions. [2024-11-02 11:25:42,273 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 435 transitions. Word has length 26 [2024-11-02 11:25:42,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:42,273 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 435 transitions. [2024-11-02 11:25:42,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-02 11:25:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 435 transitions. [2024-11-02 11:25:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-02 11:25:42,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:42,275 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] [2024-11-02 11:25:42,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 11:25:42,276 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-02 11:25:42,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:42,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1176923741, now seen corresponding path program 1 times [2024-11-02 11:25:42,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482404142] [2024-11-02 11:25:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:42,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482404142] [2024-11-02 11:25:42,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482404142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:42,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:42,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:42,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200420959] [2024-11-02 11:25:42,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:42,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:42,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:42,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:42,386 INFO L87 Difference]: Start difference. First operand 218 states and 435 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-02 11:25:42,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:42,429 INFO L93 Difference]: Finished difference Result 218 states and 435 transitions. [2024-11-02 11:25:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:25:42,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2024-11-02 11:25:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:42,431 INFO L225 Difference]: With dead ends: 218 [2024-11-02 11:25:42,431 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 11:25:42,432 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 [2024-11-02 11:25:42,433 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:42,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:25:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 11:25:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 11:25:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 11:25:42,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2024-11-02 11:25:42,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:42,436 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 11:25:42,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-02 11:25:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 11:25:42,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 11:25:42,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-02 11:25:42,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-02 11:25:42,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-02 11:25:42,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-02 11:25:42,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-02 11:25:42,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-02 11:25:42,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-02 11:25:42,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-02 11:25:42,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 18 remaining) [2024-11-02 11:25:42,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 18 remaining) [2024-11-02 11:25:42,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-02 11:25:42,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-02 11:25:42,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-02 11:25:42,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-02 11:25:42,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-02 11:25:42,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-02 11:25:42,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-02 11:25:42,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-02 11:25:42,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 11:25:42,452 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:42,458 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 11:25:42,458 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:42,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:42 BasicIcfg [2024-11-02 11:25:42,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:42,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:42,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:42,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:42,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:38" (3/4) ... [2024-11-02 11:25:42,465 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 11:25:42,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-02 11:25:42,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-02 11:25:42,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-02 11:25:42,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-02 11:25:42,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 11:25:42,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 11:25:42,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 11:25:42,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 11:25:42,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:42,578 INFO L158 Benchmark]: Toolchain (without parser) took 5355.25ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 111.4MB in the beginning and 111.7MB in the end (delta: -289.4kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,578 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:42,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.94ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 89.0MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.70ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,579 INFO L158 Benchmark]: Boogie Preprocessor took 46.37ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 85.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:42,579 INFO L158 Benchmark]: RCFGBuilder took 821.80ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 98.8MB in the end (delta: -13.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,580 INFO L158 Benchmark]: TraceAbstraction took 3564.06ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 97.6MB in the beginning and 115.9MB in the end (delta: -18.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,580 INFO L158 Benchmark]: Witness Printer took 114.52ms. Allocated memory is still 184.5MB. Free memory was 115.9MB in the beginning and 111.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:42,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.94ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 89.0MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.70ms. Allocated memory is still 151.0MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.37ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 85.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.80ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 98.8MB in the end (delta: -13.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3564.06ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 97.6MB in the beginning and 115.9MB in the end (delta: -18.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 114.52ms. Allocated memory is still 184.5MB. Free memory was 115.9MB in the beginning and 111.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 697]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 697]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 707]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 707]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 710]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 710]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 83 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 625 IncrementalHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 135 mSDtfsCounter, 625 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=683occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 9 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-02 11:25:42,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba3e51-16bb-4d2e-ac25-052c12844751/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE