./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje --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 a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:56:40,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:56:40,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 04:56:40,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:56:40,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:56:40,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:56:40,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:56:40,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:56:40,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:56:40,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:56:40,449 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:56:40,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:56:40,450 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:56:40,451 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:56:40,451 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:56:40,452 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:56:40,452 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:56:40,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:56:40,453 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:56:40,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:56:40,455 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:56:40,455 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:56:40,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:56:40,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:56:40,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:56:40,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:56:40,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:56:40,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:56:40,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:56:40,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:56:40,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:56:40,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:56:40,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:56:40,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:56:40,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:56:40,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:56:40,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:56:40,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:56:40,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:56:40,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:56:40,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:56:40,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:56:40,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:56:40,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:56:40,474 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:56:40,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:56:40,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:56:40,475 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:56:40,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:56:40,476 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_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2024-11-09 04:56:40,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:56:40,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:56:40,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:56:40,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:56:40,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:56:40,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/xcsp/AllInterval-005.c Unable to find full path for "g++" [2024-11-09 04:56:43,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:56:43,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:56:43,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/sv-benchmarks/c/xcsp/AllInterval-005.c [2024-11-09 04:56:43,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/data/c5142b5f6/cccb46ffc64941c88153936f395dfe35/FLAG522c5652b [2024-11-09 04:56:43,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/data/c5142b5f6/cccb46ffc64941c88153936f395dfe35 [2024-11-09 04:56:43,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:56:43,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:56:43,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:56:43,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:56:43,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:56:43,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:56:43" (1/1) ... [2024-11-09 04:56:43,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abd1627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:43, skipping insertion in model container [2024-11-09 04:56:43,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:56:43" (1/1) ... [2024-11-09 04:56:43,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:56:44,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:56:44,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:56:44,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:56:44,362 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:56:44,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44 WrapperNode [2024-11-09 04:56:44,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:56:44,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:56:44,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:56:44,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:56:44,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,425 INFO L138 Inliner]: procedures = 13, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2024-11-09 04:56:44,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:56:44,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:56:44,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:56:44,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:56:44,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:56:44,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:56:44,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:56:44,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:56:44,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (1/1) ... [2024-11-09 04:56:44,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:56:44,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:44,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:56:44,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:56:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:56:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:56:44,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:56:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:56:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-09 04:56:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-09 04:56:44,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:56:44,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:56:45,128 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-09 04:56:45,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:56:45,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:56:45,207 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:56:45,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:56:45 BoogieIcfgContainer [2024-11-09 04:56:45,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:56:45,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:56:45,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:56:45,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:56:45,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:56:43" (1/3) ... [2024-11-09 04:56:45,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebfd6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:56:45, skipping insertion in model container [2024-11-09 04:56:45,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:56:44" (2/3) ... [2024-11-09 04:56:45,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebfd6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:56:45, skipping insertion in model container [2024-11-09 04:56:45,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:56:45" (3/3) ... [2024-11-09 04:56:45,221 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2024-11-09 04:56:45,244 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:56:45,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-09 04:56:45,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:56:45,329 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;@367a75a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:56:45,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-09 04:56:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 53 states have internal predecessors, (57), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:56:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 04:56:45,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:56:45,351 INFO L215 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:56:45,353 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:56:45,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:56:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1665929348, now seen corresponding path program 1 times [2024-11-09 04:56:45,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:56:45,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255508317] [2024-11-09 04:56:45,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:45,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:56:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:56:46,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:56:46,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255508317] [2024-11-09 04:56:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255508317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:56:46,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687970152] [2024-11-09 04:56:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:56:46,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:56:46,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:56:46,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:56:46,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:56:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:56:46,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:56:46,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:56:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:56:47,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:56:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:56:47,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687970152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:56:47,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [980211242] [2024-11-09 04:56:47,810 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2024-11-09 04:56:47,810 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:56:47,815 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:56:47,822 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:56:47,823 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:56:53,228 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:56:53,230 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:57:03,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [980211242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:03,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:03,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [4, 4, 4] total 52 [2024-11-09 04:57:03,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381734200] [2024-11-09 04:57:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:03,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-09 04:57:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-09 04:57:03,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1261, Invalid=1495, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 04:57:03,402 INFO L87 Difference]: Start difference. First operand has 93 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 53 states have internal predecessors, (57), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 47 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:57:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:04,328 INFO L93 Difference]: Finished difference Result 93 states and 133 transitions. [2024-11-09 04:57:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-09 04:57:04,331 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Word has length 114 [2024-11-09 04:57:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:04,341 INFO L225 Difference]: With dead ends: 93 [2024-11-09 04:57:04,341 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 04:57:04,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1261, Invalid=1495, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 04:57:04,350 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 51 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:04,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 257 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 04:57:04,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 04:57:04,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 04:57:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 04:57:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2024-11-09 04:57:04,453 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 114 [2024-11-09 04:57:04,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:04,457 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2024-11-09 04:57:04,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:57:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-09 04:57:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 04:57:04,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:04,470 INFO L215 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:04,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:57:04,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:57:04,671 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:57:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1354180590, now seen corresponding path program 1 times [2024-11-09 04:57:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:57:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005280337] [2024-11-09 04:57:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:57:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2024-11-09 04:57:04,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:57:04,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005280337] [2024-11-09 04:57:04,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005280337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:04,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:57:04,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:57:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206854924] [2024-11-09 04:57:04,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:04,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:57:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:04,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:57:04,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:57:04,812 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 04:57:04,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:04,940 INFO L93 Difference]: Finished difference Result 87 states and 125 transitions. [2024-11-09 04:57:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:57:04,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 117 [2024-11-09 04:57:04,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:04,947 INFO L225 Difference]: With dead ends: 87 [2024-11-09 04:57:04,947 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 04:57:04,948 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 [2024-11-09 04:57:04,952 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 4 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:04,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 201 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:57:04,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 04:57:04,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 04:57:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 44 states have internal predecessors, (47), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 04:57:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2024-11-09 04:57:04,996 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 117 [2024-11-09 04:57:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:04,997 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2024-11-09 04:57:04,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 04:57:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-11-09 04:57:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 04:57:05,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:05,002 INFO L215 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:05,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:57:05,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:57:05,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -970074581, now seen corresponding path program 1 times [2024-11-09 04:57:05,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:57:05,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597612587] [2024-11-09 04:57:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:57:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:57:05,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:57:05,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597612587] [2024-11-09 04:57:05,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597612587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:05,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910867272] [2024-11-09 04:57:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:05,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:05,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:05,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:05,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:57:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:05,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:57:05,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:57:05,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-11-09 04:57:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910867272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:57:06,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2072640845] [2024-11-09 04:57:06,292 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-09 04:57:06,292 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:57:06,293 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:57:06,294 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:57:06,294 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:57:10,980 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:57:10,982 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:57:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2072640845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:21,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [5, 5, 5] total 53 [2024-11-09 04:57:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781396126] [2024-11-09 04:57:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:21,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-09 04:57:21,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:21,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-09 04:57:21,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1182, Invalid=1680, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 04:57:21,910 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 49 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:57:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:23,544 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2024-11-09 04:57:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 04:57:23,546 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Word has length 118 [2024-11-09 04:57:23,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:23,548 INFO L225 Difference]: With dead ends: 83 [2024-11-09 04:57:23,548 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 04:57:23,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 302 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=1182, Invalid=1680, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 04:57:23,551 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 33 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:23,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 179 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 04:57:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 04:57:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-09 04:57:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 43 states have internal predecessors, (46), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 04:57:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2024-11-09 04:57:23,587 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 118 [2024-11-09 04:57:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:23,588 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2024-11-09 04:57:23,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:57:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2024-11-09 04:57:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 04:57:23,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:23,592 INFO L215 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:23,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:57:23,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 04:57:23,794 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:57:23,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:23,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1293754784, now seen corresponding path program 1 times [2024-11-09 04:57:23,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:57:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171213915] [2024-11-09 04:57:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:57:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:24,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:57:24,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171213915] [2024-11-09 04:57:24,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171213915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:24,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014174744] [2024-11-09 04:57:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:24,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:24,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:24,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:57:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:24,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:57:24,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:24,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:24,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014174744] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:57:24,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1638585942] [2024-11-09 04:57:24,778 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2024-11-09 04:57:24,782 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:57:24,783 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:57:24,783 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:57:24,783 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:57:28,855 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:57:28,857 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:57:40,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1638585942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:40,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:40,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [4, 4, 4] total 56 [2024-11-09 04:57:40,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157886652] [2024-11-09 04:57:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:40,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-09 04:57:40,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-09 04:57:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1283, Invalid=1909, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 04:57:40,701 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 51 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:57:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:42,230 INFO L93 Difference]: Finished difference Result 88 states and 127 transitions. [2024-11-09 04:57:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-09 04:57:42,231 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Word has length 121 [2024-11-09 04:57:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:42,233 INFO L225 Difference]: With dead ends: 88 [2024-11-09 04:57:42,234 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 04:57:42,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1283, Invalid=1909, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 04:57:42,237 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:42,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 153 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 04:57:42,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 04:57:42,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 04:57:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 46 states have internal predecessors, (49), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:57:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 125 transitions. [2024-11-09 04:57:42,274 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 125 transitions. Word has length 121 [2024-11-09 04:57:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:42,275 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 125 transitions. [2024-11-09 04:57:42,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:57:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2024-11-09 04:57:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 04:57:42,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:42,279 INFO L215 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:42,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:57:42,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:42,484 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:57:42,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1982620804, now seen corresponding path program 1 times [2024-11-09 04:57:42,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:57:42,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847090986] [2024-11-09 04:57:42,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:42,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:57:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:42,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:57:42,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847090986] [2024-11-09 04:57:42,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847090986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:42,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063301351] [2024-11-09 04:57:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:42,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:57:42,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:57:42,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:57:42,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:57:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:42,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:57:42,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:43,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:57:43,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063301351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:57:43,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [629023567] [2024-11-09 04:57:43,527 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2024-11-09 04:57:43,528 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:57:43,529 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:57:43,529 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:57:43,530 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:57:46,807 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:57:46,809 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:57:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [629023567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:57:59,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:57:59,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [6, 6, 6] total 63 [2024-11-09 04:57:59,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111135309] [2024-11-09 04:57:59,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:59,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-09 04:57:59,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:57:59,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-09 04:57:59,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1428, Invalid=2604, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 04:57:59,208 INFO L87 Difference]: Start difference. First operand 86 states and 125 transitions. Second operand has 52 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:58:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:01,481 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2024-11-09 04:58:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 04:58:01,482 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Word has length 123 [2024-11-09 04:58:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:01,485 INFO L225 Difference]: With dead ends: 86 [2024-11-09 04:58:01,485 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 04:58:01,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1428, Invalid=2604, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 04:58:01,488 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 31 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:01,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 04:58:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 04:58:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2024-11-09 04:58:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 41 states have internal predecessors, (44), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 04:58:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 118 transitions. [2024-11-09 04:58:01,528 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 118 transitions. Word has length 123 [2024-11-09 04:58:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:01,529 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 118 transitions. [2024-11-09 04:58:01,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:58:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2024-11-09 04:58:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 04:58:01,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:01,534 INFO L215 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:58:01,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:58:01,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:01,735 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:58:01,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1352695111, now seen corresponding path program 1 times [2024-11-09 04:58:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396372415] [2024-11-09 04:58:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 44 proven. 80 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-09 04:58:02,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:02,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396372415] [2024-11-09 04:58:02,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396372415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:02,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552114689] [2024-11-09 04:58:02,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:02,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:02,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:02,467 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:02,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:58:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:02,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:58:02,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:58:02,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:58:03,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552114689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:58:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1648906335] [2024-11-09 04:58:03,194 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2024-11-09 04:58:03,194 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:58:03,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:58:03,195 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:58:03,195 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:58:06,126 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:58:06,129 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:58:19,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1648906335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:58:19,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:19,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [9, 5, 5] total 64 [2024-11-09 04:58:19,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525599563] [2024-11-09 04:58:19,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:58:19,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-09 04:58:19,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:58:19,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-09 04:58:19,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1370, Invalid=2790, Unknown=0, NotChecked=0, Total=4160 [2024-11-09 04:58:19,701 INFO L87 Difference]: Start difference. First operand 80 states and 118 transitions. Second operand has 53 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:58:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:21,857 INFO L93 Difference]: Finished difference Result 88 states and 128 transitions. [2024-11-09 04:58:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-09 04:58:21,858 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Word has length 125 [2024-11-09 04:58:21,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:21,861 INFO L225 Difference]: With dead ends: 88 [2024-11-09 04:58:21,861 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 04:58:21,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 320 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1370, Invalid=2790, Unknown=0, NotChecked=0, Total=4160 [2024-11-09 04:58:21,865 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 32 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:21,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 215 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 04:58:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 04:58:21,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 04:58:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 47 states have internal predecessors, (51), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 04:58:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-11-09 04:58:21,906 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 125 [2024-11-09 04:58:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:21,907 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-11-09 04:58:21,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:58:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-11-09 04:58:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 04:58:21,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:21,911 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:58:21,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:58:22,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 04:58:22,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:58:22,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1587840992, now seen corresponding path program 1 times [2024-11-09 04:58:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:22,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483327585] [2024-11-09 04:58:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:58:22,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:22,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483327585] [2024-11-09 04:58:22,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483327585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:22,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136916040] [2024-11-09 04:58:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:22,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:22,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:22,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:58:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:22,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:58:22,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:58:22,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:58:23,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136916040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:58:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1412397655] [2024-11-09 04:58:23,003 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-09 04:58:23,004 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:58:23,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:58:23,004 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:58:23,005 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:58:26,301 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:58:26,302 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:58:39,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1412397655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:58:39,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:58:39,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [4, 4, 4] total 60 [2024-11-09 04:58:39,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208892330] [2024-11-09 04:58:39,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:58:39,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-09 04:58:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:58:39,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-09 04:58:39,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1303, Invalid=2357, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 04:58:39,675 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 55 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:58:41,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:58:41,531 INFO L93 Difference]: Finished difference Result 93 states and 134 transitions. [2024-11-09 04:58:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-09 04:58:41,532 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 128 [2024-11-09 04:58:41,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:58:41,533 INFO L225 Difference]: With dead ends: 93 [2024-11-09 04:58:41,533 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 04:58:41,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 324 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=1303, Invalid=2357, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 04:58:41,536 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 40 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:58:41,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 178 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 04:58:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 04:58:41,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-09 04:58:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 50 states have internal predecessors, (54), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 04:58:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 132 transitions. [2024-11-09 04:58:41,570 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 132 transitions. Word has length 128 [2024-11-09 04:58:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:58:41,571 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 132 transitions. [2024-11-09 04:58:41,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:58:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2024-11-09 04:58:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 04:58:41,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:58:41,574 INFO L215 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:58:41,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 04:58:41,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 04:58:41,778 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:58:41,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:58:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash -141645533, now seen corresponding path program 1 times [2024-11-09 04:58:41,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:58:41,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931839011] [2024-11-09 04:58:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:58:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2024-11-09 04:58:42,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:58:42,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931839011] [2024-11-09 04:58:42,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931839011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:58:42,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113138662] [2024-11-09 04:58:42,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:58:42,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:58:42,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:58:42,072 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:58:42,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 04:58:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:58:42,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:58:42,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:58:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:58:42,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-09 04:58:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113138662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:58:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [839668204] [2024-11-09 04:58:42,843 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 04:58:42,843 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:58:42,844 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:58:42,844 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:58:42,844 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:58:45,854 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:58:45,855 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:59:00,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [839668204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:00,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:59:00,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [5, 7, 7] total 67 [2024-11-09 04:59:00,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545665675] [2024-11-09 04:59:00,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:00,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-09 04:59:00,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:00,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-09 04:59:00,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1457, Invalid=3099, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 04:59:00,564 INFO L87 Difference]: Start difference. First operand 91 states and 132 transitions. Second operand has 54 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:59:02,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:02,842 INFO L93 Difference]: Finished difference Result 91 states and 132 transitions. [2024-11-09 04:59:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-09 04:59:02,843 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Word has length 127 [2024-11-09 04:59:02,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:02,844 INFO L225 Difference]: With dead ends: 91 [2024-11-09 04:59:02,845 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 04:59:02,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1457, Invalid=3099, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 04:59:02,847 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 31 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:02,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 172 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 04:59:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 04:59:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2024-11-09 04:59:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 47 states have internal predecessors, (51), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 04:59:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-09 04:59:02,887 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 127 [2024-11-09 04:59:02,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:02,888 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-09 04:59:02,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:59:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-09 04:59:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 04:59:02,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:02,892 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:02,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 04:59:03,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 04:59:03,096 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:59:03,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:03,097 INFO L85 PathProgramCache]: Analyzing trace with hash -526686468, now seen corresponding path program 1 times [2024-11-09 04:59:03,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:03,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849834357] [2024-11-09 04:59:03,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:03,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:03,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849834357] [2024-11-09 04:59:03,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849834357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:03,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135466389] [2024-11-09 04:59:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:03,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:03,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:03,407 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:03,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 04:59:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:03,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:59:03,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:03,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:04,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135466389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:59:04,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195882368] [2024-11-09 04:59:04,162 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-09 04:59:04,162 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:59:04,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:59:04,163 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:59:04,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:59:07,264 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:59:07,265 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:59:22,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [195882368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:22,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:59:22,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [6, 6, 6] total 67 [2024-11-09 04:59:22,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969406644] [2024-11-09 04:59:22,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:22,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-09 04:59:22,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:22,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-09 04:59:22,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1456, Invalid=3100, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 04:59:22,128 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:59:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:24,150 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2024-11-09 04:59:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-09 04:59:24,150 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 130 [2024-11-09 04:59:24,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:24,152 INFO L225 Difference]: With dead ends: 96 [2024-11-09 04:59:24,152 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 04:59:24,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1456, Invalid=3100, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 04:59:24,155 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 36 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:24,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 156 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 04:59:24,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 04:59:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-11-09 04:59:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 49 states have internal predecessors, (53), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 04:59:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-09 04:59:24,206 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 130 [2024-11-09 04:59:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:24,207 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-09 04:59:24,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:59:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-09 04:59:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 04:59:24,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:24,209 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:24,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:24,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 04:59:24,409 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:59:24,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:24,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2141023940, now seen corresponding path program 1 times [2024-11-09 04:59:24,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:24,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945920541] [2024-11-09 04:59:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:24,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945920541] [2024-11-09 04:59:24,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945920541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131009986] [2024-11-09 04:59:24,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:24,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:24,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:24,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:24,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 04:59:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:24,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 04:59:24,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:24,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131009986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:59:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [265544152] [2024-11-09 04:59:25,203 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-09 04:59:25,204 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:59:25,204 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:59:25,204 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:59:25,205 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:59:28,076 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:59:28,077 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:59:41,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [265544152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:41,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:59:41,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [4, 4, 4] total 61 [2024-11-09 04:59:41,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126367680] [2024-11-09 04:59:41,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:41,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-09 04:59:41,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:41,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-09 04:59:41,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1310, Invalid=2472, Unknown=0, NotChecked=0, Total=3782 [2024-11-09 04:59:41,223 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:59:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:43,280 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2024-11-09 04:59:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-09 04:59:43,280 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 130 [2024-11-09 04:59:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:43,281 INFO L225 Difference]: With dead ends: 96 [2024-11-09 04:59:43,281 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 04:59:43,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 329 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=1310, Invalid=2472, Unknown=0, NotChecked=0, Total=3782 [2024-11-09 04:59:43,283 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:43,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 186 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 04:59:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 04:59:43,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-11-09 04:59:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 49 states have internal predecessors, (53), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 04:59:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-09 04:59:43,309 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 130 [2024-11-09 04:59:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:43,309 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-09 04:59:43,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 04:59:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-09 04:59:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 04:59:43,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:43,311 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:43,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 04:59:43,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 04:59:43,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 04:59:43,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:43,512 INFO L85 PathProgramCache]: Analyzing trace with hash 416749511, now seen corresponding path program 1 times [2024-11-09 04:59:43,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:43,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160835148] [2024-11-09 04:59:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:43,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:43,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:43,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160835148] [2024-11-09 04:59:43,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160835148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:59:43,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412311984] [2024-11-09 04:59:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:59:43,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:43,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:59:43,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 04:59:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:43,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:59:43,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:59:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:44,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:59:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 04:59:44,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412311984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:59:44,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1368554314] [2024-11-09 04:59:44,328 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 04:59:44,328 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:59:44,329 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:59:44,329 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:59:44,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:59:47,140 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 04:59:47,141 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:00:01,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1368554314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:01,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:01,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [5, 5, 5] total 61 [2024-11-09 05:00:01,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45773479] [2024-11-09 05:00:01,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:01,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-09 05:00:01,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:01,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-09 05:00:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=2558, Unknown=0, NotChecked=0, Total=3782 [2024-11-09 05:00:01,328 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 57 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:00:03,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:03,418 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2024-11-09 05:00:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-09 05:00:03,419 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 132 [2024-11-09 05:00:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:03,420 INFO L225 Difference]: With dead ends: 98 [2024-11-09 05:00:03,420 INFO L226 Difference]: Without dead ends: 97 [2024-11-09 05:00:03,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 334 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=1224, Invalid=2558, Unknown=0, NotChecked=0, Total=3782 [2024-11-09 05:00:03,421 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 34 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:03,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 170 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:00:03,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-09 05:00:03,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-09 05:00:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 50 states have (on average 1.2) internal successors, (60), 55 states have internal predecessors, (60), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:00:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-09 05:00:03,452 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 132 [2024-11-09 05:00:03,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:03,453 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-09 05:00:03,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:00:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-09 05:00:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 05:00:03,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:03,455 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:00:03,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:00:03,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 05:00:03,660 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:00:03,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash 909788320, now seen corresponding path program 1 times [2024-11-09 05:00:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:03,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992977138] [2024-11-09 05:00:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:03,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:03,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:03,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992977138] [2024-11-09 05:00:03,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992977138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:03,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121987785] [2024-11-09 05:00:03,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:03,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:00:03,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:03,935 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:00:03,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:00:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:04,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:00:04,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:04,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:04,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121987785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:00:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1047004573] [2024-11-09 05:00:04,577 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 05:00:04,577 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:00:04,578 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:00:04,578 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:00:04,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:00:07,286 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:00:07,287 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:00:22,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1047004573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:22,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:22,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [8, 6, 6] total 71 [2024-11-09 05:00:22,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543976566] [2024-11-09 05:00:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:22,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-09 05:00:22,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:22,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-09 05:00:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1547, Invalid=3565, Unknown=0, NotChecked=0, Total=5112 [2024-11-09 05:00:22,224 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 57 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:00:24,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:24,736 INFO L93 Difference]: Finished difference Result 97 states and 140 transitions. [2024-11-09 05:00:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-09 05:00:24,737 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 132 [2024-11-09 05:00:24,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:24,738 INFO L225 Difference]: With dead ends: 97 [2024-11-09 05:00:24,738 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 05:00:24,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 329 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=1547, Invalid=3565, Unknown=0, NotChecked=0, Total=5112 [2024-11-09 05:00:24,739 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 29 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:24,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 200 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 05:00:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 05:00:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-09 05:00:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 48 states have internal predecessors, (53), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 05:00:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 131 transitions. [2024-11-09 05:00:24,760 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 131 transitions. Word has length 132 [2024-11-09 05:00:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:24,760 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 131 transitions. [2024-11-09 05:00:24,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:00:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2024-11-09 05:00:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 05:00:24,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:24,762 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:00:24,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:00:24,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:00:24,963 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:00:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1415941956, now seen corresponding path program 1 times [2024-11-09 05:00:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187237873] [2024-11-09 05:00:24,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:24,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:00:25,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:25,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187237873] [2024-11-09 05:00:25,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187237873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:25,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689778014] [2024-11-09 05:00:25,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:25,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:00:25,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:25,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:00:25,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:00:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:25,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:00:25,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:00:25,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:00:25,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689778014] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:00:25,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1356566595] [2024-11-09 05:00:25,743 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 05:00:25,743 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:00:25,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:00:25,744 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:00:25,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:00:28,731 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:00:28,733 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:00:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1356566595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:00:42,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [4, 4, 4] total 64 [2024-11-09 05:00:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813103523] [2024-11-09 05:00:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:42,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-09 05:00:42,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:42,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-09 05:00:42,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1313, Invalid=2719, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 05:00:42,505 INFO L87 Difference]: Start difference. First operand 89 states and 131 transitions. Second operand has 58 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:00:45,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:45,480 INFO L93 Difference]: Finished difference Result 101 states and 143 transitions. [2024-11-09 05:00:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 05:00:45,481 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 135 [2024-11-09 05:00:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:45,482 INFO L225 Difference]: With dead ends: 101 [2024-11-09 05:00:45,482 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 05:00:45,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 342 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1313, Invalid=2719, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 05:00:45,483 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 36 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:45,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 187 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 05:00:45,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 05:00:45,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-09 05:00:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 48 states have internal predecessors, (52), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 05:00:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 130 transitions. [2024-11-09 05:00:45,507 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 130 transitions. Word has length 135 [2024-11-09 05:00:45,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:45,507 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 130 transitions. [2024-11-09 05:00:45,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:00:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2024-11-09 05:00:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 05:00:45,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:45,508 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:00:45,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 05:00:45,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:00:45,709 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:00:45,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash -963888989, now seen corresponding path program 1 times [2024-11-09 05:00:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:45,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7615785] [2024-11-09 05:00:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:45,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:45,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7615785] [2024-11-09 05:00:45,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7615785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:45,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689685581] [2024-11-09 05:00:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:45,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:00:45,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:45,907 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:00:45,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 05:00:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:46,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:00:46,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:00:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:46,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:00:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:00:46,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689685581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:00:46,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1802477987] [2024-11-09 05:00:46,621 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2024-11-09 05:00:46,621 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:00:46,621 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:00:46,622 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:00:46,622 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:00:49,875 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:00:49,876 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:05,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1802477987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:05,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:05,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [5, 7, 7] total 70 [2024-11-09 05:01:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940599351] [2024-11-09 05:01:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:05,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-09 05:01:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-09 05:01:05,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1482, Invalid=3488, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 05:01:05,068 INFO L87 Difference]: Start difference. First operand 89 states and 130 transitions. Second operand has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:01:07,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:07,638 INFO L93 Difference]: Finished difference Result 99 states and 142 transitions. [2024-11-09 05:01:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 05:01:07,639 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 134 [2024-11-09 05:01:07,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:07,640 INFO L225 Difference]: With dead ends: 99 [2024-11-09 05:01:07,640 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 05:01:07,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=1482, Invalid=3488, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 05:01:07,642 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 29 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:07,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 191 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 05:01:07,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 05:01:07,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2024-11-09 05:01:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 54 states have internal predecessors, (59), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:01:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2024-11-09 05:01:07,682 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 134 [2024-11-09 05:01:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:07,682 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2024-11-09 05:01:07,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:01:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2024-11-09 05:01:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 05:01:07,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:07,684 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:07,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 05:01:07,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:07,885 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:01:07,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:07,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2110448533, now seen corresponding path program 1 times [2024-11-09 05:01:07,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:07,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28661333] [2024-11-09 05:01:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:07,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 10 proven. 58 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2024-11-09 05:01:08,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:08,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28661333] [2024-11-09 05:01:08,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28661333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:08,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301420317] [2024-11-09 05:01:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:08,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:08,063 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:08,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 05:01:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:08,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:01:08,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:01:08,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:01:08,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301420317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:08,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [977753803] [2024-11-09 05:01:08,522 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2024-11-09 05:01:08,522 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:08,522 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:08,523 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:08,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:11,173 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:01:11,174 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:25,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [977753803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:25,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:25,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [5, 5, 5] total 64 [2024-11-09 05:01:25,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509842166] [2024-11-09 05:01:25,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:25,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-09 05:01:25,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:25,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-09 05:01:25,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1286, Invalid=2874, Unknown=0, NotChecked=0, Total=4160 [2024-11-09 05:01:25,463 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:01:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:28,798 INFO L93 Difference]: Finished difference Result 104 states and 149 transitions. [2024-11-09 05:01:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 05:01:28,799 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 134 [2024-11-09 05:01:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:28,800 INFO L225 Difference]: With dead ends: 104 [2024-11-09 05:01:28,800 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 05:01:28,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 339 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=1286, Invalid=2874, Unknown=0, NotChecked=0, Total=4160 [2024-11-09 05:01:28,802 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 29 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:28,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 239 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 05:01:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 05:01:28,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 96. [2024-11-09 05:01:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 54 states have internal predecessors, (59), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:01:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2024-11-09 05:01:28,837 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 134 [2024-11-09 05:01:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:28,837 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2024-11-09 05:01:28,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:01:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2024-11-09 05:01:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:01:28,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:28,839 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:28,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:29,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:29,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:01:29,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:29,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1875099032, now seen corresponding path program 1 times [2024-11-09 05:01:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:29,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822922802] [2024-11-09 05:01:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:29,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:29,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:29,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822922802] [2024-11-09 05:01:29,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822922802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:29,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330719076] [2024-11-09 05:01:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:29,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:29,266 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:29,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 05:01:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:01:29,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:29,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:29,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330719076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:29,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [584803535] [2024-11-09 05:01:29,963 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 05:01:29,963 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:29,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:29,964 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:29,964 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:33,097 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:01:33,099 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [584803535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:47,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [6, 6, 6] total 71 [2024-11-09 05:01:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447525780] [2024-11-09 05:01:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:47,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-09 05:01:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:47,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-09 05:01:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1484, Invalid=3628, Unknown=0, NotChecked=0, Total=5112 [2024-11-09 05:01:47,934 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:01:50,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:50,691 INFO L93 Difference]: Finished difference Result 104 states and 148 transitions. [2024-11-09 05:01:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 05:01:50,692 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 137 [2024-11-09 05:01:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:50,693 INFO L225 Difference]: With dead ends: 104 [2024-11-09 05:01:50,693 INFO L226 Difference]: Without dead ends: 102 [2024-11-09 05:01:50,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 341 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1484, Invalid=3628, Unknown=0, NotChecked=0, Total=5112 [2024-11-09 05:01:50,695 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 37 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:50,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 199 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1753 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 05:01:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-09 05:01:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-09 05:01:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 59 states have internal predecessors, (64), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:01:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 146 transitions. [2024-11-09 05:01:50,722 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 146 transitions. Word has length 137 [2024-11-09 05:01:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:50,722 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 146 transitions. [2024-11-09 05:01:50,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:01:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2024-11-09 05:01:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:01:50,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:50,724 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:50,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:50,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:01:50,929 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:01:50,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:50,929 INFO L85 PathProgramCache]: Analyzing trace with hash 884298336, now seen corresponding path program 1 times [2024-11-09 05:01:50,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:50,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332410032] [2024-11-09 05:01:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:51,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332410032] [2024-11-09 05:01:51,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332410032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131689832] [2024-11-09 05:01:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:51,066 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:51,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 05:01:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:51,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:01:51,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:51,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:01:51,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131689832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1099438935] [2024-11-09 05:01:51,642 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 05:01:51,642 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:51,643 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:51,643 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:51,643 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:54,366 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:01:54,367 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:02:08,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1099438935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:08,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:02:08,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [4, 4, 4] total 65 [2024-11-09 05:02:08,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48062327] [2024-11-09 05:02:08,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:08,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-09 05:02:08,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:08,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-09 05:02:08,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1330, Invalid=2960, Unknown=0, NotChecked=0, Total=4290 [2024-11-09 05:02:08,019 INFO L87 Difference]: Start difference. First operand 102 states and 146 transitions. Second operand has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:02:10,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:10,596 INFO L93 Difference]: Finished difference Result 115 states and 162 transitions. [2024-11-09 05:02:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 05:02:10,597 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 137 [2024-11-09 05:02:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:10,598 INFO L225 Difference]: With dead ends: 115 [2024-11-09 05:02:10,598 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 05:02:10,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 345 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1073 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1330, Invalid=2960, Unknown=0, NotChecked=0, Total=4290 [2024-11-09 05:02:10,599 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 36 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:10,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 200 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1671 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 05:02:10,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 05:02:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2024-11-09 05:02:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.15) internal successors, (69), 63 states have internal predecessors, (69), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 05:02:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2024-11-09 05:02:10,623 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 137 [2024-11-09 05:02:10,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:10,623 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2024-11-09 05:02:10,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:02:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-11-09 05:02:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 05:02:10,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:10,624 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:10,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:10,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:02:10,825 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:02:10,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:10,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1603828120, now seen corresponding path program 1 times [2024-11-09 05:02:10,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:10,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948940701] [2024-11-09 05:02:10,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:10,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:10,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:10,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948940701] [2024-11-09 05:02:10,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948940701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:10,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426214480] [2024-11-09 05:02:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:10,967 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:10,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 05:02:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:11,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:02:11,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:11,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:11,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426214480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:02:11,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [541529234] [2024-11-09 05:02:11,460 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 05:02:11,460 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:02:11,460 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:02:11,460 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:02:11,460 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:02:13,766 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:02:13,767 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:02:26,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [541529234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:26,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:02:26,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [4, 4, 4] total 65 [2024-11-09 05:02:26,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096401059] [2024-11-09 05:02:26,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:26,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-09 05:02:26,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:26,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-09 05:02:26,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1330, Invalid=2960, Unknown=0, NotChecked=0, Total=4290 [2024-11-09 05:02:26,609 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:02:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:29,757 INFO L93 Difference]: Finished difference Result 115 states and 162 transitions. [2024-11-09 05:02:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 05:02:29,758 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 137 [2024-11-09 05:02:29,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:29,759 INFO L225 Difference]: With dead ends: 115 [2024-11-09 05:02:29,759 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 05:02:29,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 345 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=1330, Invalid=2960, Unknown=0, NotChecked=0, Total=4290 [2024-11-09 05:02:29,761 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 35 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:29,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 209 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 05:02:29,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 05:02:29,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2024-11-09 05:02:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 59 states have internal predecessors, (64), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:02:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 146 transitions. [2024-11-09 05:02:29,788 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 146 transitions. Word has length 137 [2024-11-09 05:02:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:29,788 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 146 transitions. [2024-11-09 05:02:29,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:02:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2024-11-09 05:02:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 05:02:29,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:29,790 INFO L215 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:29,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:29,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:02:29,991 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:02:29,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:29,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1350280263, now seen corresponding path program 1 times [2024-11-09 05:02:29,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:29,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955781007] [2024-11-09 05:02:29,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:02:30,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955781007] [2024-11-09 05:02:30,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955781007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640613042] [2024-11-09 05:02:30,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:30,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:30,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:30,197 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:30,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 05:02:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:30,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:02:30,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:02:30,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:02:30,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640613042] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:02:30,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1814730172] [2024-11-09 05:02:30,803 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 05:02:30,803 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:02:30,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:02:30,803 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:02:30,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:02:33,057 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:02:33,058 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:02:46,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1814730172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:46,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:02:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [9, 9, 9] total 78 [2024-11-09 05:02:46,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276170081] [2024-11-09 05:02:46,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:46,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-09 05:02:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:46,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-09 05:02:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1630, Invalid=4532, Unknown=0, NotChecked=0, Total=6162 [2024-11-09 05:02:46,725 INFO L87 Difference]: Start difference. First operand 102 states and 146 transitions. Second operand has 59 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:02:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:49,456 INFO L93 Difference]: Finished difference Result 102 states and 146 transitions. [2024-11-09 05:02:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-09 05:02:49,457 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Word has length 136 [2024-11-09 05:02:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:49,458 INFO L225 Difference]: With dead ends: 102 [2024-11-09 05:02:49,458 INFO L226 Difference]: Without dead ends: 101 [2024-11-09 05:02:49,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 335 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1759 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1630, Invalid=4532, Unknown=0, NotChecked=0, Total=6162 [2024-11-09 05:02:49,460 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 26 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:49,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 229 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 05:02:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-09 05:02:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2024-11-09 05:02:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:02:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions. [2024-11-09 05:02:49,487 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 136 [2024-11-09 05:02:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:49,487 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 143 transitions. [2024-11-09 05:02:49,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 05:02:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2024-11-09 05:02:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 05:02:49,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:49,488 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:49,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:49,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:49,689 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:02:49,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:49,689 INFO L85 PathProgramCache]: Analyzing trace with hash 497862204, now seen corresponding path program 1 times [2024-11-09 05:02:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:49,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53863688] [2024-11-09 05:02:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:49,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:49,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53863688] [2024-11-09 05:02:49,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53863688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:02:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443466451] [2024-11-09 05:02:49,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:49,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:49,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:49,872 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:49,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 05:02:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:49,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:02:49,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:50,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:02:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:02:50,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443466451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:02:50,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1738384503] [2024-11-09 05:02:50,389 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:02:50,389 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:02:50,389 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:02:50,389 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:02:50,390 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:02:52,799 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:02:52,800 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:03:06,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1738384503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:06,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:03:06,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [8, 6, 6] total 75 [2024-11-09 05:03:06,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697347042] [2024-11-09 05:03:06,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:06,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 05:03:06,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:06,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 05:03:06,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1580, Invalid=4120, Unknown=0, NotChecked=0, Total=5700 [2024-11-09 05:03:06,693 INFO L87 Difference]: Start difference. First operand 99 states and 143 transitions. Second operand has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:09,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:09,977 INFO L93 Difference]: Finished difference Result 112 states and 159 transitions. [2024-11-09 05:03:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:03:09,977 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 139 [2024-11-09 05:03:09,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:09,978 INFO L225 Difference]: With dead ends: 112 [2024-11-09 05:03:09,978 INFO L226 Difference]: Without dead ends: 110 [2024-11-09 05:03:09,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 345 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1401 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=1580, Invalid=4120, Unknown=0, NotChecked=0, Total=5700 [2024-11-09 05:03:09,979 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 30 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 2055 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:09,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 176 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2055 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 05:03:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-09 05:03:10,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2024-11-09 05:03:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 05:03:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2024-11-09 05:03:10,013 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 139 [2024-11-09 05:03:10,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:10,014 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2024-11-09 05:03:10,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-11-09 05:03:10,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 05:03:10,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:10,015 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:10,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:10,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:10,216 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:03:10,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:10,217 INFO L85 PathProgramCache]: Analyzing trace with hash 476249972, now seen corresponding path program 1 times [2024-11-09 05:03:10,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:10,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142368702] [2024-11-09 05:03:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:10,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142368702] [2024-11-09 05:03:10,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142368702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343617653] [2024-11-09 05:03:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:10,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:10,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:10,394 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:10,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 05:03:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:10,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:03:10,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:10,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:10,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343617653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:03:10,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1876666157] [2024-11-09 05:03:10,959 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:03:10,959 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:03:10,959 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:03:10,959 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:03:10,960 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:03:13,631 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:03:13,633 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:03:28,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1876666157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:28,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:03:28,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [6, 6, 6] total 72 [2024-11-09 05:03:28,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288447134] [2024-11-09 05:03:28,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:28,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 05:03:28,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:28,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 05:03:28,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1495, Invalid=3761, Unknown=0, NotChecked=0, Total=5256 [2024-11-09 05:03:28,157 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:31,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:31,190 INFO L93 Difference]: Finished difference Result 112 states and 159 transitions. [2024-11-09 05:03:31,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:03:31,191 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 139 [2024-11-09 05:03:31,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:31,191 INFO L225 Difference]: With dead ends: 112 [2024-11-09 05:03:31,191 INFO L226 Difference]: Without dead ends: 110 [2024-11-09 05:03:31,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 346 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=1495, Invalid=3761, Unknown=0, NotChecked=0, Total=5256 [2024-11-09 05:03:31,193 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 31 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:31,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 292 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 05:03:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-09 05:03:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2024-11-09 05:03:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:03:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions. [2024-11-09 05:03:31,221 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 139 [2024-11-09 05:03:31,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:31,221 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 143 transitions. [2024-11-09 05:03:31,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2024-11-09 05:03:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 05:03:31,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:31,224 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:31,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:31,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:31,424 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:03:31,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:31,425 INFO L85 PathProgramCache]: Analyzing trace with hash -514550724, now seen corresponding path program 1 times [2024-11-09 05:03:31,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:31,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224483236] [2024-11-09 05:03:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:31,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:31,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:31,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224483236] [2024-11-09 05:03:31,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224483236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:31,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143476487] [2024-11-09 05:03:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:31,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:31,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:31,579 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:31,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 05:03:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:31,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:03:31,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:31,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:32,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143476487] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:03:32,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [719194280] [2024-11-09 05:03:32,161 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 05:03:32,162 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:03:32,162 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:03:32,162 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:03:32,162 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:03:35,126 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:03:35,127 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:03:50,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [719194280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:50,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:03:50,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [4, 4, 4] total 66 [2024-11-09 05:03:50,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390024160] [2024-11-09 05:03:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:50,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 05:03:50,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:50,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 05:03:50,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1337, Invalid=3085, Unknown=0, NotChecked=0, Total=4422 [2024-11-09 05:03:50,030 INFO L87 Difference]: Start difference. First operand 99 states and 143 transitions. Second operand has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:52,977 INFO L93 Difference]: Finished difference Result 105 states and 150 transitions. [2024-11-09 05:03:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:03:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 139 [2024-11-09 05:03:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:52,980 INFO L225 Difference]: With dead ends: 105 [2024-11-09 05:03:52,980 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 05:03:52,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 350 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1337, Invalid=3085, Unknown=0, NotChecked=0, Total=4422 [2024-11-09 05:03:52,982 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 32 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1789 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:52,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 163 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1789 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 05:03:52,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 05:03:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2024-11-09 05:03:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:03:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions. [2024-11-09 05:03:53,011 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 139 [2024-11-09 05:03:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:53,012 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 143 transitions. [2024-11-09 05:03:53,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:03:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2024-11-09 05:03:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 05:03:53,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:53,013 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:53,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:53,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:53,214 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:03:53,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1178035519, now seen corresponding path program 1 times [2024-11-09 05:03:53,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:53,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236068163] [2024-11-09 05:03:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:53,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236068163] [2024-11-09 05:03:53,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236068163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412928495] [2024-11-09 05:03:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:53,401 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:53,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 05:03:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:53,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:03:53,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:53,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:03:54,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412928495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:03:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1500258013] [2024-11-09 05:03:54,032 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 05:03:54,032 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:03:54,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:03:54,033 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:03:54,033 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:03:56,915 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:03:56,916 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:04:14,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1500258013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:14,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:04:14,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [7, 7, 7] total 75 [2024-11-09 05:04:14,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73479762] [2024-11-09 05:04:14,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:14,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-09 05:04:14,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:14,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-09 05:04:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1520, Invalid=4180, Unknown=0, NotChecked=0, Total=5700 [2024-11-09 05:04:14,430 INFO L87 Difference]: Start difference. First operand 99 states and 143 transitions. Second operand has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:04:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:17,862 INFO L93 Difference]: Finished difference Result 109 states and 153 transitions. [2024-11-09 05:04:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-09 05:04:17,863 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 141 [2024-11-09 05:04:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:17,864 INFO L225 Difference]: With dead ends: 109 [2024-11-09 05:04:17,864 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 05:04:17,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 350 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1682 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=1520, Invalid=4180, Unknown=0, NotChecked=0, Total=5700 [2024-11-09 05:04:17,866 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 32 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:17,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 184 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 05:04:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 05:04:17,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-09 05:04:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 50 states have (on average 1.12) internal successors, (56), 52 states have internal predecessors, (56), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:04:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2024-11-09 05:04:17,899 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 141 [2024-11-09 05:04:17,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:17,900 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2024-11-09 05:04:17,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:04:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2024-11-09 05:04:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 05:04:17,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:17,902 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:04:17,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 05:04:18,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:18,106 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:04:18,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1531008519, now seen corresponding path program 1 times [2024-11-09 05:04:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:18,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735710160] [2024-11-09 05:04:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:18,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:04:18,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:18,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735710160] [2024-11-09 05:04:18,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735710160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:04:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801619026] [2024-11-09 05:04:18,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:18,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:18,276 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:04:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 05:04:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:18,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:04:18,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:04:18,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:04:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:04:18,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801619026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:04:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [238458279] [2024-11-09 05:04:18,879 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 05:04:18,879 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:04:18,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:04:18,879 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:04:18,880 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:04:21,951 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:04:21,952 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:04:38,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [238458279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:38,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:04:38,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [5, 5, 5] total 67 [2024-11-09 05:04:38,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592753960] [2024-11-09 05:04:38,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:38,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-09 05:04:38,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:38,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-09 05:04:38,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1300, Invalid=3256, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 05:04:38,614 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:04:42,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:42,176 INFO L93 Difference]: Finished difference Result 109 states and 153 transitions. [2024-11-09 05:04:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-09 05:04:42,177 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 141 [2024-11-09 05:04:42,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:42,178 INFO L225 Difference]: With dead ends: 109 [2024-11-09 05:04:42,178 INFO L226 Difference]: Without dead ends: 101 [2024-11-09 05:04:42,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 355 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=1300, Invalid=3256, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 05:04:42,179 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 30 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:42,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 243 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 05:04:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-09 05:04:42,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2024-11-09 05:04:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 56 states have internal predecessors, (60), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:04:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2024-11-09 05:04:42,220 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 142 transitions. Word has length 141 [2024-11-09 05:04:42,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:42,221 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 142 transitions. [2024-11-09 05:04:42,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 28 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:04:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2024-11-09 05:04:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 05:04:42,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:42,223 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:04:42,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 05:04:42,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 05:04:42,428 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:04:42,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:42,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2058477249, now seen corresponding path program 1 times [2024-11-09 05:04:42,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:42,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61960888] [2024-11-09 05:04:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:42,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 14 proven. 56 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-11-09 05:04:42,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:42,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61960888] [2024-11-09 05:04:42,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61960888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:04:42,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189365354] [2024-11-09 05:04:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:42,687 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:04:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 05:04:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:42,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:04:42,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:04:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:04:43,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:04:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:04:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189365354] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:04:43,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1369877798] [2024-11-09 05:04:43,402 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 05:04:43,402 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:04:43,403 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:04:43,403 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:04:43,403 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:04:46,566 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:04:46,568 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:05:02,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1369877798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:02,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:05:02,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [5, 5, 5] total 67 [2024-11-09 05:05:02,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482467401] [2024-11-09 05:05:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:02,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 05:05:02,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 05:05:02,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1305, Invalid=3251, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 05:05:02,562 INFO L87 Difference]: Start difference. First operand 99 states and 142 transitions. Second operand has 61 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:06,076 INFO L93 Difference]: Finished difference Result 109 states and 152 transitions. [2024-11-09 05:05:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:05:06,077 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 141 [2024-11-09 05:05:06,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:06,078 INFO L225 Difference]: With dead ends: 109 [2024-11-09 05:05:06,078 INFO L226 Difference]: Without dead ends: 101 [2024-11-09 05:05:06,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 354 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=1305, Invalid=3251, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 05:05:06,079 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 29 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:06,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 223 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 05:05:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-09 05:05:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 94. [2024-11-09 05:05:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 50 states have (on average 1.1) internal successors, (55), 52 states have internal predecessors, (55), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:05:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-11-09 05:05:06,100 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 141 [2024-11-09 05:05:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:06,101 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-11-09 05:05:06,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-09 05:05:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 05:05:06,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:06,102 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:06,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:06,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:06,302 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:05:06,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:06,303 INFO L85 PathProgramCache]: Analyzing trace with hash 528679192, now seen corresponding path program 1 times [2024-11-09 05:05:06,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:06,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814495162] [2024-11-09 05:05:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:06,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:06,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814495162] [2024-11-09 05:05:06,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814495162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:06,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340748601] [2024-11-09 05:05:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:06,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:06,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:06,599 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:06,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 05:05:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:06,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:05:06,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:07,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:07,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340748601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:05:07,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [310104909] [2024-11-09 05:05:07,361 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 05:05:07,361 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:05:07,361 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:05:07,361 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:05:07,361 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:05:10,205 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:05:10,206 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:05:28,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [310104909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:28,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:05:28,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [10, 6, 6] total 78 [2024-11-09 05:05:28,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081052014] [2024-11-09 05:05:28,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:28,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-09 05:05:28,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:28,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-09 05:05:28,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1619, Invalid=4387, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 05:05:28,537 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 61 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:31,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:31,530 INFO L93 Difference]: Finished difference Result 98 states and 138 transitions. [2024-11-09 05:05:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:05:31,531 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 141 [2024-11-09 05:05:31,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:31,532 INFO L225 Difference]: With dead ends: 98 [2024-11-09 05:05:31,532 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 05:05:31,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=1619, Invalid=4387, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 05:05:31,533 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 24 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:31,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 176 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 05:05:31,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 05:05:31,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 05:05:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 45 states have internal predecessors, (47), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 05:05:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 125 transitions. [2024-11-09 05:05:31,556 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 125 transitions. Word has length 141 [2024-11-09 05:05:31,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:31,556 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 125 transitions. [2024-11-09 05:05:31,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 27 states have internal predecessors, (31), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2024-11-09 05:05:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 05:05:31,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:31,557 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:31,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 05:05:31,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 05:05:31,758 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:05:31,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1365474275, now seen corresponding path program 1 times [2024-11-09 05:05:31,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:31,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476136808] [2024-11-09 05:05:31,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:31,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:32,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:32,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476136808] [2024-11-09 05:05:32,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476136808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:32,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802177031] [2024-11-09 05:05:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:32,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:32,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:32,033 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:32,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 05:05:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:32,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:05:32,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:32,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802177031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:05:32,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2078461028] [2024-11-09 05:05:32,918 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2024-11-09 05:05:32,918 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:05:32,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:05:32,923 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:05:32,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:05:35,914 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:05:35,915 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:05:53,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2078461028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:53,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:05:53,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [9, 7, 7] total 80 [2024-11-09 05:05:53,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871988762] [2024-11-09 05:05:53,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:53,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-09 05:05:53,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:53,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-09 05:05:53,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1629, Invalid=4691, Unknown=0, NotChecked=0, Total=6320 [2024-11-09 05:05:53,975 INFO L87 Difference]: Start difference. First operand 86 states and 125 transitions. Second operand has 62 states, 25 states have (on average 1.32) internal successors, (33), 28 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:57,625 INFO L93 Difference]: Finished difference Result 101 states and 141 transitions. [2024-11-09 05:05:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-09 05:05:57,626 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 25 states have (on average 1.32) internal successors, (33), 28 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 143 [2024-11-09 05:05:57,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:57,627 INFO L225 Difference]: With dead ends: 101 [2024-11-09 05:05:57,627 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 05:05:57,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 354 SyntacticMatches, 4 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1698 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=1629, Invalid=4691, Unknown=0, NotChecked=0, Total=6320 [2024-11-09 05:05:57,629 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 26 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:57,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 203 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 05:05:57,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 05:05:57,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 05:05:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 05:05:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 116 transitions. [2024-11-09 05:05:57,650 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 116 transitions. Word has length 143 [2024-11-09 05:05:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:57,650 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 116 transitions. [2024-11-09 05:05:57,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 25 states have (on average 1.32) internal successors, (33), 28 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:05:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2024-11-09 05:05:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 05:05:57,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:57,652 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:57,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 05:05:57,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 05:05:57,853 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:05:57,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash 728389915, now seen corresponding path program 1 times [2024-11-09 05:05:57,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:57,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316935926] [2024-11-09 05:05:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:58,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:58,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316935926] [2024-11-09 05:05:58,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316935926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:05:58,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162020625] [2024-11-09 05:05:58,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:05:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:58,108 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:05:58,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 05:05:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:58,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:05:58,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:05:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:58,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:05:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:05:58,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162020625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:05:58,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [465261607] [2024-11-09 05:05:58,820 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2024-11-09 05:05:58,820 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:05:58,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:05:58,821 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:05:58,821 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:06:01,741 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:06:01,742 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:06:19,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [465261607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:19,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:06:19,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [7, 7, 7] total 76 [2024-11-09 05:06:19,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833096335] [2024-11-09 05:06:19,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:19,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 05:06:19,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:19,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 05:06:19,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1533, Invalid=4319, Unknown=0, NotChecked=0, Total=5852 [2024-11-09 05:06:19,781 INFO L87 Difference]: Start difference. First operand 79 states and 116 transitions. Second operand has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:06:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:23,149 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2024-11-09 05:06:23,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 05:06:23,150 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 143 [2024-11-09 05:06:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:23,151 INFO L225 Difference]: With dead ends: 87 [2024-11-09 05:06:23,151 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 05:06:23,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 355 SyntacticMatches, 4 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1750 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=1533, Invalid=4319, Unknown=0, NotChecked=0, Total=5852 [2024-11-09 05:06:23,152 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 15 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:23,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 127 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 05:06:23,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 05:06:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-09 05:06:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:06:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 107 transitions. [2024-11-09 05:06:23,183 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 107 transitions. Word has length 143 [2024-11-09 05:06:23,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:23,183 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 107 transitions. [2024-11-09 05:06:23,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:06:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2024-11-09 05:06:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 05:06:23,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:23,185 INFO L215 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:06:23,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 05:06:23,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-09 05:06:23,386 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-09 05:06:23,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:23,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1081362915, now seen corresponding path program 1 times [2024-11-09 05:06:23,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:23,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571164268] [2024-11-09 05:06:23,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:23,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:06:23,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571164268] [2024-11-09 05:06:23,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571164268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:23,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473789535] [2024-11-09 05:06:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:23,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:06:23,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:06:23,533 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:06:23,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 05:06:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:23,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:06:23,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:06:23,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:06:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2024-11-09 05:06:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473789535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:06:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [736279214] [2024-11-09 05:06:24,101 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2024-11-09 05:06:24,101 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:06:24,101 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:06:24,102 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:06:24,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:06:26,895 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-09 05:06:26,897 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:06:43,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [736279214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:43,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:06:43,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [5, 5, 5] total 68 [2024-11-09 05:06:43,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905013783] [2024-11-09 05:06:43,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:43,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 05:06:43,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:43,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 05:06:43,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1307, Invalid=3385, Unknown=0, NotChecked=0, Total=4692 [2024-11-09 05:06:43,446 INFO L87 Difference]: Start difference. First operand 72 states and 107 transitions. Second operand has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:06:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:47,216 INFO L93 Difference]: Finished difference Result 72 states and 107 transitions. [2024-11-09 05:06:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 05:06:47,217 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Word has length 143 [2024-11-09 05:06:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:47,218 INFO L225 Difference]: With dead ends: 72 [2024-11-09 05:06:47,218 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:06:47,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 360 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1193 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=1307, Invalid=3385, Unknown=0, NotChecked=0, Total=4692 [2024-11-09 05:06:47,220 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:47,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 05:06:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:06:47,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:06:47,222 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) [2024-11-09 05:06:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:06:47,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2024-11-09 05:06:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:47,223 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:06:47,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 25 states have (on average 1.32) internal successors, (33), 29 states have internal predecessors, (33), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:06:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:06:47,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:06:47,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-09 05:06:47,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-09 05:06:47,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-09 05:06:47,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-09 05:06:47,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-09 05:06:47,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-09 05:06:47,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 05:06:47,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 05:06:47,435 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:06:47,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:06:53,513 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:06:53,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:06:53,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:06:53,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:06:53 BoogieIcfgContainer [2024-11-09 05:06:53,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:06:53,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:06:53,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:06:53,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:06:53,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:56:45" (3/4) ... [2024-11-09 05:06:53,543 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:06:53,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2024-11-09 05:06:53,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:06:53,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:06:53,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:06:53,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:06:53,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:06:53,717 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:06:53,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:06:53,718 INFO L158 Benchmark]: Toolchain (without parser) took 609898.40ms. Allocated memory was 121.6MB in the beginning and 595.6MB in the end (delta: 474.0MB). Free memory was 60.5MB in the beginning and 258.8MB in the end (delta: -198.3MB). Peak memory consumption was 276.8MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,719 INFO L158 Benchmark]: CDTParser took 3.67ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:06:53,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.17ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 60.2MB in the beginning and 120.5MB in the end (delta: -60.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.28ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:06:53,722 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 117.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,722 INFO L158 Benchmark]: RCFGBuilder took 745.98ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 123.1MB in the end (delta: -5.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,722 INFO L158 Benchmark]: TraceAbstraction took 608326.50ms. Allocated memory was 159.4MB in the beginning and 595.6MB in the end (delta: 436.2MB). Free memory was 122.3MB in the beginning and 265.1MB in the end (delta: -142.8MB). Peak memory consumption was 383.2MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,723 INFO L158 Benchmark]: Witness Printer took 177.52ms. Allocated memory is still 595.6MB. Free memory was 265.1MB in the beginning and 258.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:06:53,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.67ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.17ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 60.2MB in the beginning and 120.5MB in the end (delta: -60.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.28ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 117.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.98ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 123.1MB in the end (delta: -5.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 608326.50ms. Allocated memory was 159.4MB in the beginning and 595.6MB in the end (delta: 436.2MB). Free memory was 122.3MB in the beginning and 265.1MB in the end (delta: -142.8MB). Peak memory consumption was 383.2MB. Max. memory is 16.1GB. * Witness Printer took 177.52ms. Allocated memory is still 595.6MB. Free memory was 265.1MB in the beginning and 258.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * 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: 81]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 81]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 602.1s, OverallIterations: 29, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 75.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 955 SdHoareTripleChecker+Valid, 72.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 874 mSDsluCounter, 5605 SdHoareTripleChecker+Invalid, 66.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3632 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41426 IncrementalHoareTripleChecker+Invalid, 41445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1973 mSDtfsCounter, 41426 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11336 GetRequests, 9391 SyntacticMatches, 99 SemanticMatches, 1846 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30649 ImplicationChecksByTransitivity, 408.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=17, InterpolantAutomatonStates: 1620, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 29 MinimizatonAttempts, 80 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 7597 NumberOfCodeBlocks, 7597 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 11252 ConstructedInterpolants, 0 QuantifiedInterpolants, 35960 SizeOfPredicates, 35 NumberOfNonLiveVariables, 7986 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 85 InterpolantComputations, 1 PerfectInterpolantSequences, 105513/108318 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: OVERALL_TIME: 86.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 56, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2753, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 750, TOOLS_POST_TIME: 5.3s, TOOLS_POST_CALL_APPLICATIONS: 3042, TOOLS_POST_CALL_TIME: 37.1s, TOOLS_POST_RETURN_APPLICATIONS: 2028, TOOLS_POST_RETURN_TIME: 14.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5820, TOOLS_QUANTIFIERELIM_TIME: 55.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.1s, FLUID_QUERIES: 5693, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4354, DOMAIN_JOIN_TIME: 21.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 2753, DOMAIN_ISBOTTOM_TIME: 4.5s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2028, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 2.1s, DAG_COMPRESSION_PROCESSED_NODES: 163716, DAG_COMPRESSION_RETAINED_NODES: 5788, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for assume Derived contract for procedure assume. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:06:53,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ed9358-b31a-420f-97c1-24ab3040c1a9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE