./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/Parts.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:11:35,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:11:35,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 10:11:35,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:11:35,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:11:35,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:11:35,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:11:35,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:11:35,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:11:35,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:11:35,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:11:35,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:11:35,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:11:35,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:11:35,768 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:11:35,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:11:35,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:11:35,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:11:35,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:11:35,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:11:35,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:11:35,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:11:35,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:11:35,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:11:35,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:11:35,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:11:35,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:11:35,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:11:35,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:11:35,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:11:35,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:11:35,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:11:35,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:11:35,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:11:35,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:11:35,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:11:35,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:11:35,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:11:35,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:11:35,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:11:35,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:11:35,781 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2024-11-19 10:11:36,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:11:36,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:11:36,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:11:36,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:11:36,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:11:36,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2024-11-19 10:11:37,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:11:37,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:11:37,743 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2024-11-19 10:11:37,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd220823/1fb407dec60e45f59c0667f480148e8e/FLAG4fac4dcde [2024-11-19 10:11:37,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd220823/1fb407dec60e45f59c0667f480148e8e [2024-11-19 10:11:37,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:11:37,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:11:37,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:11:37,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:11:37,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:11:37,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:11:37" (1/1) ... [2024-11-19 10:11:37,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2741bfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:37, skipping insertion in model container [2024-11-19 10:11:37,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:11:37" (1/1) ... [2024-11-19 10:11:37,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:11:37,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:11:37,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:11:37,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:11:38,006 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:11:38,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38 WrapperNode [2024-11-19 10:11:38,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:11:38,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:11:38,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:11:38,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:11:38,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,037 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-19 10:11:38,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:11:38,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:11:38,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:11:38,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:11:38,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,057 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 10:11:38,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:11:38,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:11:38,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:11:38,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:11:38,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (1/1) ... [2024-11-19 10:11:38,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:11:38,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:38,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:11:38,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:11:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2024-11-19 10:11:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2024-11-19 10:11:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:11:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:11:38,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:11:38,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:11:38,432 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-19 10:11:38,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:11:38,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:11:38,450 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:11:38,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:11:38 BoogieIcfgContainer [2024-11-19 10:11:38,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:11:38,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:11:38,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:11:38,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:11:38,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:11:37" (1/3) ... [2024-11-19 10:11:38,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2740994e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:11:38, skipping insertion in model container [2024-11-19 10:11:38,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:11:38" (2/3) ... [2024-11-19 10:11:38,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2740994e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:11:38, skipping insertion in model container [2024-11-19 10:11:38,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:11:38" (3/3) ... [2024-11-19 10:11:38,461 INFO L112 eAbstractionObserver]: Analyzing ICFG Parts.c [2024-11-19 10:11:38,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:11:38,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-19 10:11:38,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:11:38,545 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=PETRI_NET, 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;@233e7074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:11:38,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 10:11:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:11:38,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:38,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:38,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:38,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:38,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1511704369, now seen corresponding path program 1 times [2024-11-19 10:11:38,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:38,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394189530] [2024-11-19 10:11:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:38,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394189530] [2024-11-19 10:11:38,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394189530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:38,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:38,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:11:38,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102863321] [2024-11-19 10:11:38,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:38,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:11:38,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:38,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:11:38,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:11:38,724 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-19 10:11:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:38,752 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2024-11-19 10:11:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:11:38,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:11:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:38,767 INFO L225 Difference]: With dead ends: 90 [2024-11-19 10:11:38,767 INFO L226 Difference]: Without dead ends: 43 [2024-11-19 10:11:38,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:11:38,775 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:38,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-19 10:11:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-19 10:11:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-19 10:11:38,808 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 9 [2024-11-19 10:11:38,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:38,808 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-19 10:11:38,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-19 10:11:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-19 10:11:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:11:38,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:38,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:38,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:11:38,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:38,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1512061861, now seen corresponding path program 1 times [2024-11-19 10:11:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:38,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551132772] [2024-11-19 10:11:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:38,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:38,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551132772] [2024-11-19 10:11:38,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551132772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:38,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:38,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:11:38,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656403345] [2024-11-19 10:11:38,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:38,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:11:38,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:38,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:11:38,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:38,883 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-19 10:11:38,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:38,935 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2024-11-19 10:11:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:11:38,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:11:38,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:38,937 INFO L225 Difference]: With dead ends: 83 [2024-11-19 10:11:38,937 INFO L226 Difference]: Without dead ends: 44 [2024-11-19 10:11:38,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:11:38,941 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:38,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:38,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-19 10:11:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-19 10:11:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 38 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2024-11-19 10:11:38,957 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 9 [2024-11-19 10:11:38,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:38,957 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2024-11-19 10:11:38,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-19 10:11:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2024-11-19 10:11:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 10:11:38,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:38,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:38,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:11:38,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:38,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:38,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2059242201, now seen corresponding path program 1 times [2024-11-19 10:11:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:38,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602213192] [2024-11-19 10:11:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:39,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602213192] [2024-11-19 10:11:39,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602213192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:11:39,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168870639] [2024-11-19 10:11:39,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:11:39,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:11:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:11:39,008 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:11:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,058 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-19 10:11:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:11:39,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 10:11:39,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,063 INFO L225 Difference]: With dead ends: 46 [2024-11-19 10:11:39,063 INFO L226 Difference]: Without dead ends: 45 [2024-11-19 10:11:39,064 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 [2024-11-19 10:11:39,065 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 11 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 76 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-19 10:11:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-11-19 10:11:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-19 10:11:39,081 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 12 [2024-11-19 10:11:39,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,081 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-19 10:11:39,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:11:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-19 10:11:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:11:39,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,082 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:11:39,082 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash -588001161, now seen corresponding path program 1 times [2024-11-19 10:11:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359155465] [2024-11-19 10:11:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:39,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359155465] [2024-11-19 10:11:39,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359155465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:11:39,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294451941] [2024-11-19 10:11:39,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:11:39,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:11:39,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:11:39,174 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:11:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,268 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-11-19 10:11:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:11:39,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:11:39,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,269 INFO L225 Difference]: With dead ends: 92 [2024-11-19 10:11:39,269 INFO L226 Difference]: Without dead ends: 53 [2024-11-19 10:11:39,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:39,273 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 159 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:39,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-19 10:11:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-19 10:11:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 42 states have internal predecessors, (47), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:11:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2024-11-19 10:11:39,283 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 13 [2024-11-19 10:11:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,283 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2024-11-19 10:11:39,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:11:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2024-11-19 10:11:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:11:39,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:11:39,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1053155758, now seen corresponding path program 1 times [2024-11-19 10:11:39,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759122435] [2024-11-19 10:11:39,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:39,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759122435] [2024-11-19 10:11:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759122435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:11:39,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082686920] [2024-11-19 10:11:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:11:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:11:39,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,359 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,382 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2024-11-19 10:11:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:11:39,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-19 10:11:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,384 INFO L225 Difference]: With dead ends: 49 [2024-11-19 10:11:39,384 INFO L226 Difference]: Without dead ends: 48 [2024-11-19 10:11:39,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,385 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-19 10:11:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-19 10:11:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.393939393939394) internal successors, (46), 41 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:11:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2024-11-19 10:11:39,392 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 14 [2024-11-19 10:11:39,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,393 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-11-19 10:11:39,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-11-19 10:11:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:11:39,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,394 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:11:39,394 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1711909968, now seen corresponding path program 1 times [2024-11-19 10:11:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627008580] [2024-11-19 10:11:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:11:39,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627008580] [2024-11-19 10:11:39,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627008580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:11:39,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106942196] [2024-11-19 10:11:39,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:11:39,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:11:39,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,460 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,497 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2024-11-19 10:11:39,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:11:39,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-19 10:11:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,499 INFO L225 Difference]: With dead ends: 53 [2024-11-19 10:11:39,499 INFO L226 Difference]: Without dead ends: 52 [2024-11-19 10:11:39,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,501 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-19 10:11:39,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-19 10:11:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 44 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:11:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-19 10:11:39,512 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 15 [2024-11-19 10:11:39,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,512 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-19 10:11:39,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-19 10:11:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:11:39,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:11:39,515 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1243311904, now seen corresponding path program 1 times [2024-11-19 10:11:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917749004] [2024-11-19 10:11:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:11:39,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917749004] [2024-11-19 10:11:39,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917749004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:11:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133937239] [2024-11-19 10:11:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:11:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:11:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,590 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,610 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2024-11-19 10:11:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:11:39,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-19 10:11:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,615 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:11:39,615 INFO L226 Difference]: Without dead ends: 51 [2024-11-19 10:11:39,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,616 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-19 10:11:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-19 10:11:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 43 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:11:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-11-19 10:11:39,626 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 19 [2024-11-19 10:11:39,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,626 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-11-19 10:11:39,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-11-19 10:11:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:11:39,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:11:39,628 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 112036748, now seen corresponding path program 1 times [2024-11-19 10:11:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610598011] [2024-11-19 10:11:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:11:39,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610598011] [2024-11-19 10:11:39,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610598011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:11:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555962894] [2024-11-19 10:11:39,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:11:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:11:39,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,684 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,709 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2024-11-19 10:11:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:11:39,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-19 10:11:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,710 INFO L225 Difference]: With dead ends: 70 [2024-11-19 10:11:39,711 INFO L226 Difference]: Without dead ends: 69 [2024-11-19 10:11:39,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:11:39,713 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 125 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-19 10:11:39,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-19 10:11:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 58 states have internal predecessors, (66), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:11:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2024-11-19 10:11:39,729 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 20 [2024-11-19 10:11:39,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,732 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2024-11-19 10:11:39,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2024-11-19 10:11:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:11:39,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,735 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:11:39,735 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1929063812, now seen corresponding path program 1 times [2024-11-19 10:11:39,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143280106] [2024-11-19 10:11:39,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:11:39,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:39,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143280106] [2024-11-19 10:11:39,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143280106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:39,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:39,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:11:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101160243] [2024-11-19 10:11:39,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:39,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:11:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:39,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:11:39,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:11:39,833 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:39,881 INFO L93 Difference]: Finished difference Result 138 states and 162 transitions. [2024-11-19 10:11:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:11:39,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-19 10:11:39,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:39,882 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:11:39,883 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 10:11:39,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:39,886 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 6 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:39,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 157 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 10:11:39,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-11-19 10:11:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 64 states have internal predecessors, (72), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:11:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-11-19 10:11:39,902 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 23 [2024-11-19 10:11:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:39,903 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-11-19 10:11:39,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:11:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-11-19 10:11:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:11:39,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:39,906 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:39,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:11:39,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:39,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:39,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1440891157, now seen corresponding path program 1 times [2024-11-19 10:11:39,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:39,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753161651] [2024-11-19 10:11:39,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:39,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:11:40,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:40,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753161651] [2024-11-19 10:11:40,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753161651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616662705] [2024-11-19 10:11:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:40,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:40,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:40,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:40,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:11:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:40,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:11:40,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:11:40,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:11:40,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616662705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:40,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:40,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:11:40,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036225] [2024-11-19 10:11:40,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:40,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:11:40,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:11:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:11:40,231 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:40,292 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2024-11-19 10:11:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:11:40,292 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 25 [2024-11-19 10:11:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:40,293 INFO L225 Difference]: With dead ends: 113 [2024-11-19 10:11:40,294 INFO L226 Difference]: Without dead ends: 112 [2024-11-19 10:11:40,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:11:40,295 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:40,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:40,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-19 10:11:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-19 10:11:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 94 states have internal predecessors, (108), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:11:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 134 transitions. [2024-11-19 10:11:40,318 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 134 transitions. Word has length 25 [2024-11-19 10:11:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:40,319 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 134 transitions. [2024-11-19 10:11:40,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2024-11-19 10:11:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:11:40,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:40,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:40,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:11:40,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 10:11:40,528 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:40,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1684798159, now seen corresponding path program 1 times [2024-11-19 10:11:40,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:40,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34947300] [2024-11-19 10:11:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:40,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:11:40,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:40,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34947300] [2024-11-19 10:11:40,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34947300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:40,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648478725] [2024-11-19 10:11:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:40,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:40,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:11:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:40,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:11:40,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:11:40,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:11:40,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648478725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:40,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:40,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-19 10:11:40,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540496577] [2024-11-19 10:11:40,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:40,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:11:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:11:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:11:40,950 INFO L87 Difference]: Start difference. First operand 112 states and 134 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:11:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:41,044 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2024-11-19 10:11:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:11:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2024-11-19 10:11:41,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:41,046 INFO L225 Difference]: With dead ends: 183 [2024-11-19 10:11:41,046 INFO L226 Difference]: Without dead ends: 113 [2024-11-19 10:11:41,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:11:41,047 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 15 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:41,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 289 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-19 10:11:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-19 10:11:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 94 states have internal predecessors, (107), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:11:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2024-11-19 10:11:41,068 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 36 [2024-11-19 10:11:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:41,069 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2024-11-19 10:11:41,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:11:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2024-11-19 10:11:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:11:41,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:41,072 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:41,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:11:41,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:11:41,273 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:41,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:41,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1468566924, now seen corresponding path program 2 times [2024-11-19 10:11:41,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:41,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60616527] [2024-11-19 10:11:41,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:41,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:41,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 10:11:41,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:41,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60616527] [2024-11-19 10:11:41,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60616527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:41,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:11:41,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899198145] [2024-11-19 10:11:41,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:41,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:11:41,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:11:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:41,417 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:11:41,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:41,534 INFO L93 Difference]: Finished difference Result 224 states and 285 transitions. [2024-11-19 10:11:41,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:11:41,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-19 10:11:41,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:41,537 INFO L225 Difference]: With dead ends: 224 [2024-11-19 10:11:41,537 INFO L226 Difference]: Without dead ends: 159 [2024-11-19 10:11:41,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:11:41,538 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:41,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 130 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-19 10:11:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2024-11-19 10:11:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 126 states have internal predecessors, (147), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-19 10:11:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2024-11-19 10:11:41,566 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 46 [2024-11-19 10:11:41,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:41,568 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2024-11-19 10:11:41,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:11:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-19 10:11:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:11:41,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:41,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:41,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:11:41,572 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:41,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash 51945572, now seen corresponding path program 1 times [2024-11-19 10:11:41,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:41,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319622148] [2024-11-19 10:11:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:41,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:11:41,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:41,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319622148] [2024-11-19 10:11:41,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319622148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:41,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788480826] [2024-11-19 10:11:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:41,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:41,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:41,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:11:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:41,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:11:41,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:11:41,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:11:41,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788480826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:41,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:41,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2024-11-19 10:11:41,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540950927] [2024-11-19 10:11:41,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:41,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:11:41,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:41,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:11:41,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:11:41,960 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:42,111 INFO L93 Difference]: Finished difference Result 261 states and 342 transitions. [2024-11-19 10:11:42,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:11:42,111 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 47 [2024-11-19 10:11:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:42,113 INFO L225 Difference]: With dead ends: 261 [2024-11-19 10:11:42,113 INFO L226 Difference]: Without dead ends: 152 [2024-11-19 10:11:42,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 85 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:11:42,114 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:42,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 337 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-19 10:11:42,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-19 10:11:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 121 states have (on average 1.1983471074380165) internal successors, (145), 126 states have internal predecessors, (145), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-19 10:11:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions. [2024-11-19 10:11:42,127 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 47 [2024-11-19 10:11:42,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:42,127 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 194 transitions. [2024-11-19 10:11:42,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2024-11-19 10:11:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:11:42,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:42,129 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:42,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:11:42,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:42,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:42,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1103925596, now seen corresponding path program 1 times [2024-11-19 10:11:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:42,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936958834] [2024-11-19 10:11:42,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:42,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:11:42,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:42,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936958834] [2024-11-19 10:11:42,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936958834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:42,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74643844] [2024-11-19 10:11:42,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:42,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:42,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:42,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:42,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:11:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:42,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:11:42,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:11:42,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:11:42,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74643844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:42,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:42,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-19 10:11:42,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454242814] [2024-11-19 10:11:42,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:42,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:11:42,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:42,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:11:42,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:11:42,675 INFO L87 Difference]: Start difference. First operand 152 states and 194 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:42,925 INFO L93 Difference]: Finished difference Result 268 states and 369 transitions. [2024-11-19 10:11:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:11:42,926 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2024-11-19 10:11:42,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:42,928 INFO L225 Difference]: With dead ends: 268 [2024-11-19 10:11:42,928 INFO L226 Difference]: Without dead ends: 266 [2024-11-19 10:11:42,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:11:42,931 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 141 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:42,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 193 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:11:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-19 10:11:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 249. [2024-11-19 10:11:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 202 states have (on average 1.198019801980198) internal successors, (242), 205 states have internal predecessors, (242), 29 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (59), 35 states have call predecessors, (59), 29 states have call successors, (59) [2024-11-19 10:11:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 330 transitions. [2024-11-19 10:11:42,960 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 330 transitions. Word has length 50 [2024-11-19 10:11:42,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:42,961 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 330 transitions. [2024-11-19 10:11:42,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:11:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 330 transitions. [2024-11-19 10:11:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:11:42,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:42,962 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:42,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:11:43,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:43,163 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:43,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 659198436, now seen corresponding path program 2 times [2024-11-19 10:11:43,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:43,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462710089] [2024-11-19 10:11:43,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:43,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:43,179 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:43,179 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:11:43,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462710089] [2024-11-19 10:11:43,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462710089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297817159] [2024-11-19 10:11:43,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:43,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:43,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:43,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:11:43,352 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:43,352 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:43,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:11:43,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:11:43,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:11:43,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297817159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:43,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:43,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-19 10:11:43,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892990523] [2024-11-19 10:11:43,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:43,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:11:43,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:43,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:11:43,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:11:43,593 INFO L87 Difference]: Start difference. First operand 249 states and 330 transitions. Second operand has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:11:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:43,703 INFO L93 Difference]: Finished difference Result 430 states and 624 transitions. [2024-11-19 10:11:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:11:43,704 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 55 [2024-11-19 10:11:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:43,707 INFO L225 Difference]: With dead ends: 430 [2024-11-19 10:11:43,708 INFO L226 Difference]: Without dead ends: 429 [2024-11-19 10:11:43,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:11:43,711 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:43,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-19 10:11:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-19 10:11:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 352 states have (on average 1.1988636363636365) internal successors, (422), 355 states have internal predecessors, (422), 59 states have call successors, (59), 8 states have call predecessors, (59), 12 states have return successors, (113), 65 states have call predecessors, (113), 59 states have call successors, (113) [2024-11-19 10:11:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 594 transitions. [2024-11-19 10:11:43,747 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 594 transitions. Word has length 55 [2024-11-19 10:11:43,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:43,748 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 594 transitions. [2024-11-19 10:11:43,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:11:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 594 transitions. [2024-11-19 10:11:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:11:43,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:43,749 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:43,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:11:43,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:11:43,954 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:43,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1562834430, now seen corresponding path program 1 times [2024-11-19 10:11:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:43,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880365725] [2024-11-19 10:11:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 10:11:44,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:44,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880365725] [2024-11-19 10:11:44,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880365725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:44,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029525435] [2024-11-19 10:11:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:44,082 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:44,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:11:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:44,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:11:44,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:11:44,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-19 10:11:44,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029525435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:44,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:44,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2024-11-19 10:11:44,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061794841] [2024-11-19 10:11:44,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:44,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:11:44,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:11:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:11:44,312 INFO L87 Difference]: Start difference. First operand 429 states and 594 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:11:44,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:44,749 INFO L93 Difference]: Finished difference Result 857 states and 1273 transitions. [2024-11-19 10:11:44,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 10:11:44,749 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 63 [2024-11-19 10:11:44,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:44,753 INFO L225 Difference]: With dead ends: 857 [2024-11-19 10:11:44,753 INFO L226 Difference]: Without dead ends: 533 [2024-11-19 10:11:44,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 121 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:11:44,756 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 164 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:44,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 226 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:11:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-19 10:11:44,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 499. [2024-11-19 10:11:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 408 states have (on average 1.2107843137254901) internal successors, (494), 411 states have internal predecessors, (494), 65 states have call successors, (65), 14 states have call predecessors, (65), 20 states have return successors, (123), 73 states have call predecessors, (123), 65 states have call successors, (123) [2024-11-19 10:11:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 682 transitions. [2024-11-19 10:11:44,788 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 682 transitions. Word has length 63 [2024-11-19 10:11:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:44,789 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 682 transitions. [2024-11-19 10:11:44,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 12 states have internal predecessors, (73), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:11:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 682 transitions. [2024-11-19 10:11:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:11:44,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:44,790 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:44,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:11:44,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:11:44,991 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:44,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:44,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1218673775, now seen corresponding path program 2 times [2024-11-19 10:11:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999594792] [2024-11-19 10:11:44,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:45,000 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:45,000 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:11:45,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:45,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999594792] [2024-11-19 10:11:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999594792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:45,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:45,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 10:11:45,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381865432] [2024-11-19 10:11:45,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:45,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:11:45,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:45,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:11:45,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:11:45,056 INFO L87 Difference]: Start difference. First operand 499 states and 682 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:11:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:45,215 INFO L93 Difference]: Finished difference Result 973 states and 1479 transitions. [2024-11-19 10:11:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:11:45,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-19 10:11:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:45,219 INFO L225 Difference]: With dead ends: 973 [2024-11-19 10:11:45,219 INFO L226 Difference]: Without dead ends: 579 [2024-11-19 10:11:45,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:11:45,221 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 24 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:45,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 136 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:45,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-19 10:11:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 557. [2024-11-19 10:11:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 454 states have (on average 1.2268722466960353) internal successors, (557), 456 states have internal predecessors, (557), 70 states have call successors, (70), 14 states have call predecessors, (70), 27 states have return successors, (165), 86 states have call predecessors, (165), 70 states have call successors, (165) [2024-11-19 10:11:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 792 transitions. [2024-11-19 10:11:45,256 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 792 transitions. Word has length 58 [2024-11-19 10:11:45,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:45,257 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 792 transitions. [2024-11-19 10:11:45,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:11:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 792 transitions. [2024-11-19 10:11:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:11:45,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:45,258 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:45,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:11:45,258 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:45,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:45,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1353103700, now seen corresponding path program 1 times [2024-11-19 10:11:45,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:45,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019183050] [2024-11-19 10:11:45,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:45,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-19 10:11:45,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:45,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019183050] [2024-11-19 10:11:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019183050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:11:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180965477] [2024-11-19 10:11:45,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:45,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:11:45,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:11:45,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:11:45,318 INFO L87 Difference]: Start difference. First operand 557 states and 792 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:45,385 INFO L93 Difference]: Finished difference Result 968 states and 1466 transitions. [2024-11-19 10:11:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:11:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2024-11-19 10:11:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:45,389 INFO L225 Difference]: With dead ends: 968 [2024-11-19 10:11:45,389 INFO L226 Difference]: Without dead ends: 522 [2024-11-19 10:11:45,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:45,393 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 30 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:45,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 105 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-19 10:11:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-19 10:11:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 425 states have (on average 1.2094117647058824) internal successors, (514), 430 states have internal predecessors, (514), 70 states have call successors, (70), 14 states have call predecessors, (70), 21 states have return successors, (114), 77 states have call predecessors, (114), 70 states have call successors, (114) [2024-11-19 10:11:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 698 transitions. [2024-11-19 10:11:45,424 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 698 transitions. Word has length 65 [2024-11-19 10:11:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:45,425 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 698 transitions. [2024-11-19 10:11:45,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2024-11-19 10:11:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 10:11:45,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:45,426 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:45,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:11:45,426 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:45,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash -998718612, now seen corresponding path program 2 times [2024-11-19 10:11:45,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:45,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019627429] [2024-11-19 10:11:45,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:45,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:45,440 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:45,440 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-19 10:11:45,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019627429] [2024-11-19 10:11:45,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019627429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136689703] [2024-11-19 10:11:45,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:45,489 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:45,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:11:45,541 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:45,541 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:45,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:11:45,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-19 10:11:45,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:11:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136689703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:45,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:11:45,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-19 10:11:45,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167313147] [2024-11-19 10:11:45,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:45,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:11:45,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:11:45,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:11:45,584 INFO L87 Difference]: Start difference. First operand 522 states and 698 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:45,632 INFO L93 Difference]: Finished difference Result 571 states and 778 transitions. [2024-11-19 10:11:45,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:11:45,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2024-11-19 10:11:45,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:45,636 INFO L225 Difference]: With dead ends: 571 [2024-11-19 10:11:45,636 INFO L226 Difference]: Without dead ends: 570 [2024-11-19 10:11:45,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:11:45,640 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:45,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 150 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:45,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-19 10:11:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2024-11-19 10:11:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 449 states have (on average 1.1982182628062361) internal successors, (538), 448 states have internal predecessors, (538), 70 states have call successors, (70), 14 states have call predecessors, (70), 25 states have return successors, (131), 87 states have call predecessors, (131), 70 states have call successors, (131) [2024-11-19 10:11:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 739 transitions. [2024-11-19 10:11:45,710 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 739 transitions. Word has length 66 [2024-11-19 10:11:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:45,711 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 739 transitions. [2024-11-19 10:11:45,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 739 transitions. [2024-11-19 10:11:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:11:45,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:45,713 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:45,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:11:45,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:45,914 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:45,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:45,915 INFO L85 PathProgramCache]: Analyzing trace with hash -895505840, now seen corresponding path program 1 times [2024-11-19 10:11:45,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:45,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70383745] [2024-11-19 10:11:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-19 10:11:45,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:45,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70383745] [2024-11-19 10:11:45,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70383745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:45,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:45,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:11:45,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517883119] [2024-11-19 10:11:45,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:45,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:11:45,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:45,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:11:45,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:45,994 INFO L87 Difference]: Start difference. First operand 550 states and 739 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:46,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:46,062 INFO L93 Difference]: Finished difference Result 671 states and 986 transitions. [2024-11-19 10:11:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:11:46,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2024-11-19 10:11:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:46,067 INFO L225 Difference]: With dead ends: 671 [2024-11-19 10:11:46,067 INFO L226 Difference]: Without dead ends: 667 [2024-11-19 10:11:46,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:11:46,069 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:46,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 166 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:46,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-19 10:11:46,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 629. [2024-11-19 10:11:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 512 states have (on average 1.185546875) internal successors, (607), 508 states have internal predecessors, (607), 80 states have call successors, (80), 14 states have call predecessors, (80), 31 states have return successors, (206), 106 states have call predecessors, (206), 80 states have call successors, (206) [2024-11-19 10:11:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 893 transitions. [2024-11-19 10:11:46,116 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 893 transitions. Word has length 67 [2024-11-19 10:11:46,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:46,117 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 893 transitions. [2024-11-19 10:11:46,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:11:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 893 transitions. [2024-11-19 10:11:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:11:46,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:46,119 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:46,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:11:46,119 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:46,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash -440111218, now seen corresponding path program 1 times [2024-11-19 10:11:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:46,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512905980] [2024-11-19 10:11:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-19 10:11:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:46,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512905980] [2024-11-19 10:11:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512905980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97954658] [2024-11-19 10:11:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:46,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:46,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:46,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:46,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:11:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:46,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:11:46,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 139 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-19 10:11:46,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-19 10:11:46,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97954658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:46,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:46,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2024-11-19 10:11:46,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914818878] [2024-11-19 10:11:46,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:46,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:11:46,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:46,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:11:46,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:11:46,412 INFO L87 Difference]: Start difference. First operand 629 states and 893 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:11:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:46,551 INFO L93 Difference]: Finished difference Result 1199 states and 1713 transitions. [2024-11-19 10:11:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:11:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 101 [2024-11-19 10:11:46,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:46,555 INFO L225 Difference]: With dead ends: 1199 [2024-11-19 10:11:46,555 INFO L226 Difference]: Without dead ends: 657 [2024-11-19 10:11:46,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:11:46,559 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:46,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 181 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-19 10:11:46,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 634. [2024-11-19 10:11:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 516 states have (on average 1.1705426356589148) internal successors, (604), 515 states have internal predecessors, (604), 80 states have call successors, (80), 19 states have call predecessors, (80), 32 states have return successors, (175), 99 states have call predecessors, (175), 80 states have call successors, (175) [2024-11-19 10:11:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 859 transitions. [2024-11-19 10:11:46,596 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 859 transitions. Word has length 101 [2024-11-19 10:11:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:46,597 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 859 transitions. [2024-11-19 10:11:46,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:11:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 859 transitions. [2024-11-19 10:11:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:11:46,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:46,598 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:46,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:11:46,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:11:46,803 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:46,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:46,804 INFO L85 PathProgramCache]: Analyzing trace with hash -721600790, now seen corresponding path program 1 times [2024-11-19 10:11:46,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350523903] [2024-11-19 10:11:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:46,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-19 10:11:46,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350523903] [2024-11-19 10:11:46,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350523903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466319191] [2024-11-19 10:11:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:46,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:46,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:46,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:11:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:46,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:11:46,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 10:11:47,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 10:11:47,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466319191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:47,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:47,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2024-11-19 10:11:47,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995146361] [2024-11-19 10:11:47,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:47,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:11:47,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:47,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:11:47,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:11:47,134 INFO L87 Difference]: Start difference. First operand 634 states and 859 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:11:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:47,635 INFO L93 Difference]: Finished difference Result 1227 states and 1687 transitions. [2024-11-19 10:11:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-19 10:11:47,636 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 78 [2024-11-19 10:11:47,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:47,642 INFO L225 Difference]: With dead ends: 1227 [2024-11-19 10:11:47,642 INFO L226 Difference]: Without dead ends: 1225 [2024-11-19 10:11:47,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=382, Invalid=1970, Unknown=0, NotChecked=0, Total=2352 [2024-11-19 10:11:47,644 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 35 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:47,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 346 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-19 10:11:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 906. [2024-11-19 10:11:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 746 states have (on average 1.1648793565683646) internal successors, (869), 746 states have internal predecessors, (869), 122 states have call successors, (122), 19 states have call predecessors, (122), 32 states have return successors, (264), 140 states have call predecessors, (264), 122 states have call successors, (264) [2024-11-19 10:11:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1255 transitions. [2024-11-19 10:11:47,709 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1255 transitions. Word has length 78 [2024-11-19 10:11:47,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:47,709 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1255 transitions. [2024-11-19 10:11:47,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:11:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1255 transitions. [2024-11-19 10:11:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:11:47,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:47,711 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:47,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:11:47,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:47,912 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:47,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:47,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1468856143, now seen corresponding path program 1 times [2024-11-19 10:11:47,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:47,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940585406] [2024-11-19 10:11:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-19 10:11:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940585406] [2024-11-19 10:11:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940585406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:11:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:11:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021751939] [2024-11-19 10:11:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:47,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:11:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:47,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:11:47,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:11:47,942 INFO L87 Difference]: Start difference. First operand 906 states and 1255 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:11:47,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:47,986 INFO L93 Difference]: Finished difference Result 914 states and 1306 transitions. [2024-11-19 10:11:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:11:47,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-19 10:11:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:47,992 INFO L225 Difference]: With dead ends: 914 [2024-11-19 10:11:47,992 INFO L226 Difference]: Without dead ends: 902 [2024-11-19 10:11:47,993 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 [2024-11-19 10:11:47,994 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:47,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 72 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:11:47,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-19 10:11:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 896. [2024-11-19 10:11:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 739 states have (on average 1.1569688768606226) internal successors, (855), 738 states have internal predecessors, (855), 121 states have call successors, (121), 19 states have call predecessors, (121), 31 states have return successors, (262), 138 states have call predecessors, (262), 121 states have call successors, (262) [2024-11-19 10:11:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1238 transitions. [2024-11-19 10:11:48,047 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1238 transitions. Word has length 83 [2024-11-19 10:11:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:48,047 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1238 transitions. [2024-11-19 10:11:48,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:11:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1238 transitions. [2024-11-19 10:11:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 10:11:48,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:48,050 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:48,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:11:48,051 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:48,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1660641723, now seen corresponding path program 1 times [2024-11-19 10:11:48,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:48,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344848493] [2024-11-19 10:11:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:48,118 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 114 proven. 44 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-19 10:11:48,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:48,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344848493] [2024-11-19 10:11:48,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344848493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:48,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513654282] [2024-11-19 10:11:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:48,121 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:48,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:11:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:48,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:11:48,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 270 proven. 1 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-19 10:11:48,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 114 proven. 44 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-19 10:11:48,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513654282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:48,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:48,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-19 10:11:48,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665145353] [2024-11-19 10:11:48,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:48,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:11:48,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:48,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:11:48,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:11:48,359 INFO L87 Difference]: Start difference. First operand 896 states and 1238 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:11:48,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:48,478 INFO L93 Difference]: Finished difference Result 1627 states and 2380 transitions. [2024-11-19 10:11:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:11:48,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 146 [2024-11-19 10:11:48,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:48,485 INFO L225 Difference]: With dead ends: 1627 [2024-11-19 10:11:48,485 INFO L226 Difference]: Without dead ends: 923 [2024-11-19 10:11:48,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:11:48,491 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 54 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:48,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 92 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-19 10:11:48,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 914. [2024-11-19 10:11:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 754 states have (on average 1.156498673740053) internal successors, (872), 751 states have internal predecessors, (872), 123 states have call successors, (123), 19 states have call predecessors, (123), 32 states have return successors, (270), 143 states have call predecessors, (270), 123 states have call successors, (270) [2024-11-19 10:11:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1265 transitions. [2024-11-19 10:11:48,545 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1265 transitions. Word has length 146 [2024-11-19 10:11:48,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:48,545 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1265 transitions. [2024-11-19 10:11:48,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-19 10:11:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1265 transitions. [2024-11-19 10:11:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 10:11:48,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:48,548 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:48,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:11:48,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-19 10:11:48,749 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:48,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1957457161, now seen corresponding path program 2 times [2024-11-19 10:11:48,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:48,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272299436] [2024-11-19 10:11:48,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:48,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:48,760 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:48,760 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-19 10:11:48,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:48,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272299436] [2024-11-19 10:11:48,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272299436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:48,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221999327] [2024-11-19 10:11:48,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:48,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:48,808 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:48,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:11:48,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:48,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:48,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:11:48,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 154 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-19 10:11:49,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 40 proven. 56 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-19 10:11:49,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221999327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:49,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:49,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 13, 13] total 21 [2024-11-19 10:11:49,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051579262] [2024-11-19 10:11:49,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:49,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 10:11:49,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:49,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 10:11:49,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:11:49,257 INFO L87 Difference]: Start difference. First operand 914 states and 1265 transitions. Second operand has 21 states, 21 states have (on average 4.428571428571429) internal successors, (93), 21 states have internal predecessors, (93), 9 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-19 10:11:49,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:49,510 INFO L93 Difference]: Finished difference Result 1248 states and 1732 transitions. [2024-11-19 10:11:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:11:49,511 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.428571428571429) internal successors, (93), 21 states have internal predecessors, (93), 9 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) Word has length 118 [2024-11-19 10:11:49,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:49,518 INFO L225 Difference]: With dead ends: 1248 [2024-11-19 10:11:49,518 INFO L226 Difference]: Without dead ends: 917 [2024-11-19 10:11:49,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 213 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:11:49,521 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:49,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 385 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:49,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-19 10:11:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 868. [2024-11-19 10:11:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 714 states have (on average 1.149859943977591) internal successors, (821), 709 states have internal predecessors, (821), 117 states have call successors, (117), 19 states have call predecessors, (117), 32 states have return successors, (269), 139 states have call predecessors, (269), 117 states have call successors, (269) [2024-11-19 10:11:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1207 transitions. [2024-11-19 10:11:49,573 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1207 transitions. Word has length 118 [2024-11-19 10:11:49,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:49,573 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1207 transitions. [2024-11-19 10:11:49,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.428571428571429) internal successors, (93), 21 states have internal predecessors, (93), 9 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-19 10:11:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1207 transitions. [2024-11-19 10:11:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 10:11:49,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:49,579 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:49,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:11:49,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 10:11:49,784 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:49,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1177413314, now seen corresponding path program 3 times [2024-11-19 10:11:49,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:49,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008311985] [2024-11-19 10:11:49,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:11:49,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:49,813 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:11:49,814 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:11:50,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:50,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008311985] [2024-11-19 10:11:50,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008311985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:50,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503380779] [2024-11-19 10:11:50,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:11:50,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:50,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:50,222 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:50,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:11:50,291 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:11:50,291 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:50,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:11:50,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:11:50,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:11:50,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503380779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:50,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:50,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-19 10:11:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560330840] [2024-11-19 10:11:50,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:50,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-19 10:11:50,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:50,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-19 10:11:50,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:11:50,877 INFO L87 Difference]: Start difference. First operand 868 states and 1207 transitions. Second operand has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 10:11:51,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:51,092 INFO L93 Difference]: Finished difference Result 1445 states and 2155 transitions. [2024-11-19 10:11:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-19 10:11:51,093 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 115 [2024-11-19 10:11:51,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:51,101 INFO L225 Difference]: With dead ends: 1445 [2024-11-19 10:11:51,101 INFO L226 Difference]: Without dead ends: 1444 [2024-11-19 10:11:51,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:11:51,103 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:51,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:51,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2024-11-19 10:11:51,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1444. [2024-11-19 10:11:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1194 states have (on average 1.1700167504187604) internal successors, (1397), 1189 states have internal predecessors, (1397), 213 states have call successors, (213), 19 states have call predecessors, (213), 32 states have return successors, (449), 235 states have call predecessors, (449), 213 states have call successors, (449) [2024-11-19 10:11:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2059 transitions. [2024-11-19 10:11:51,197 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2059 transitions. Word has length 115 [2024-11-19 10:11:51,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:51,198 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 2059 transitions. [2024-11-19 10:11:51,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 10:11:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2059 transitions. [2024-11-19 10:11:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 10:11:51,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:51,200 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:51,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:11:51,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:11:51,401 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:51,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash -444804854, now seen corresponding path program 1 times [2024-11-19 10:11:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:51,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066606613] [2024-11-19 10:11:51,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:51,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-19 10:11:51,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066606613] [2024-11-19 10:11:51,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066606613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339133966] [2024-11-19 10:11:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:51,561 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:51,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:11:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:51,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:11:51,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 178 proven. 46 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-19 10:11:51,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-19 10:11:51,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339133966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:51,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:51,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-11-19 10:11:51,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284533612] [2024-11-19 10:11:51,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:51,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:11:51,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:51,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:11:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:11:51,951 INFO L87 Difference]: Start difference. First operand 1444 states and 2059 transitions. Second operand has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 17 states have internal predecessors, (78), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-19 10:11:52,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:52,291 INFO L93 Difference]: Finished difference Result 2609 states and 3784 transitions. [2024-11-19 10:11:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:11:52,292 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 17 states have internal predecessors, (78), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 128 [2024-11-19 10:11:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:52,301 INFO L225 Difference]: With dead ends: 2609 [2024-11-19 10:11:52,301 INFO L226 Difference]: Without dead ends: 1410 [2024-11-19 10:11:52,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 239 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:11:52,312 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:52,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 456 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:11:52,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-19 10:11:52,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1408. [2024-11-19 10:11:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1164 states have (on average 1.1709621993127148) internal successors, (1363), 1163 states have internal predecessors, (1363), 207 states have call successors, (207), 19 states have call predecessors, (207), 32 states have return successors, (429), 225 states have call predecessors, (429), 207 states have call successors, (429) [2024-11-19 10:11:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1999 transitions. [2024-11-19 10:11:52,389 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1999 transitions. Word has length 128 [2024-11-19 10:11:52,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:52,390 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 1999 transitions. [2024-11-19 10:11:52,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 17 states have internal predecessors, (78), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-19 10:11:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1999 transitions. [2024-11-19 10:11:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-19 10:11:52,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:52,393 INFO L215 NwaCegarLoop]: trace histogram [15, 12, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:52,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:11:52,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:11:52,594 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:52,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash -880318858, now seen corresponding path program 1 times [2024-11-19 10:11:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:52,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484068038] [2024-11-19 10:11:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 88 proven. 107 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-19 10:11:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484068038] [2024-11-19 10:11:52,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484068038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:52,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76393537] [2024-11-19 10:11:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:52,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:52,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:52,748 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:52,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:11:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:52,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:11:52,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 275 proven. 57 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-19 10:11:52,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 88 proven. 107 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-19 10:11:53,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76393537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:53,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:53,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2024-11-19 10:11:53,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189820804] [2024-11-19 10:11:53,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:53,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:11:53,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:53,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:11:53,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:11:53,052 INFO L87 Difference]: Start difference. First operand 1408 states and 1999 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:11:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:53,422 INFO L93 Difference]: Finished difference Result 2545 states and 3674 transitions. [2024-11-19 10:11:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:11:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 149 [2024-11-19 10:11:53,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:53,436 INFO L225 Difference]: With dead ends: 2545 [2024-11-19 10:11:53,436 INFO L226 Difference]: Without dead ends: 1358 [2024-11-19 10:11:53,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 291 SyntacticMatches, 8 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:11:53,448 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 79 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:53,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 306 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:11:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-19 10:11:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1346. [2024-11-19 10:11:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1115 states have (on average 1.169506726457399) internal successors, (1304), 1117 states have internal predecessors, (1304), 199 states have call successors, (199), 21 states have call predecessors, (199), 27 states have return successors, (381), 207 states have call predecessors, (381), 199 states have call successors, (381) [2024-11-19 10:11:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1884 transitions. [2024-11-19 10:11:53,529 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1884 transitions. Word has length 149 [2024-11-19 10:11:53,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:53,529 INFO L471 AbstractCegarLoop]: Abstraction has 1346 states and 1884 transitions. [2024-11-19 10:11:53,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-19 10:11:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1884 transitions. [2024-11-19 10:11:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 10:11:53,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:53,532 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 9, 9, 8, 8, 8, 8, 8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:53,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:11:53,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:53,732 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:53,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash -607694359, now seen corresponding path program 1 times [2024-11-19 10:11:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:53,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567787679] [2024-11-19 10:11:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 163 proven. 23 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-19 10:11:53,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:53,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567787679] [2024-11-19 10:11:53,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567787679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:53,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548131765] [2024-11-19 10:11:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:53,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:53,812 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:53,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:11:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:53,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:11:53,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-19 10:11:53,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:11:53,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548131765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:11:53,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:11:53,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-11-19 10:11:53,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144738826] [2024-11-19 10:11:53,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:11:53,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:11:53,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:53,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:11:53,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:11:53,933 INFO L87 Difference]: Start difference. First operand 1346 states and 1884 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:11:54,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:54,040 INFO L93 Difference]: Finished difference Result 1884 states and 2721 transitions. [2024-11-19 10:11:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:11:54,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 135 [2024-11-19 10:11:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:54,048 INFO L225 Difference]: With dead ends: 1884 [2024-11-19 10:11:54,049 INFO L226 Difference]: Without dead ends: 927 [2024-11-19 10:11:54,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:11:54,056 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 26 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:54,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 176 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-19 10:11:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 922. [2024-11-19 10:11:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 761 states have (on average 1.1603153745072274) internal successors, (883), 766 states have internal predecessors, (883), 133 states have call successors, (133), 17 states have call predecessors, (133), 23 states have return successors, (223), 138 states have call predecessors, (223), 133 states have call successors, (223) [2024-11-19 10:11:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1239 transitions. [2024-11-19 10:11:54,131 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1239 transitions. Word has length 135 [2024-11-19 10:11:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:54,132 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1239 transitions. [2024-11-19 10:11:54,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:11:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1239 transitions. [2024-11-19 10:11:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 10:11:54,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:54,135 INFO L215 NwaCegarLoop]: trace histogram [17, 16, 10, 9, 9, 8, 8, 8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:54,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:11:54,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:11:54,335 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:54,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:54,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1058108691, now seen corresponding path program 1 times [2024-11-19 10:11:54,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:54,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654236504] [2024-11-19 10:11:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 61 proven. 160 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-19 10:11:54,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:54,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654236504] [2024-11-19 10:11:54,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654236504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:54,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659760533] [2024-11-19 10:11:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:11:54,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:54,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:54,490 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:54,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:11:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:11:54,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:11:54,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 391 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-19 10:11:54,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 279 proven. 70 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-11-19 10:11:55,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659760533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:55,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:55,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 27 [2024-11-19 10:11:55,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960440474] [2024-11-19 10:11:55,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:55,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 10:11:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:55,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 10:11:55,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:11:55,222 INFO L87 Difference]: Start difference. First operand 922 states and 1239 transitions. Second operand has 27 states, 27 states have (on average 5.0) internal successors, (135), 26 states have internal predecessors, (135), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2024-11-19 10:11:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:55,968 INFO L93 Difference]: Finished difference Result 1680 states and 2609 transitions. [2024-11-19 10:11:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-19 10:11:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.0) internal successors, (135), 26 states have internal predecessors, (135), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) Word has length 186 [2024-11-19 10:11:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:55,977 INFO L225 Difference]: With dead ends: 1680 [2024-11-19 10:11:55,977 INFO L226 Difference]: Without dead ends: 1141 [2024-11-19 10:11:55,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 351 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=1907, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 10:11:55,983 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 167 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:55,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 518 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:11:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-19 10:11:56,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1090. [2024-11-19 10:11:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 897 states have (on average 1.160535117056856) internal successors, (1041), 894 states have internal predecessors, (1041), 153 states have call successors, (153), 23 states have call predecessors, (153), 35 states have return successors, (433), 172 states have call predecessors, (433), 153 states have call successors, (433) [2024-11-19 10:11:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1627 transitions. [2024-11-19 10:11:56,054 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1627 transitions. Word has length 186 [2024-11-19 10:11:56,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:56,054 INFO L471 AbstractCegarLoop]: Abstraction has 1090 states and 1627 transitions. [2024-11-19 10:11:56,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.0) internal successors, (135), 26 states have internal predecessors, (135), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2024-11-19 10:11:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1627 transitions. [2024-11-19 10:11:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-19 10:11:56,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:56,058 INFO L215 NwaCegarLoop]: trace histogram [20, 18, 13, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:56,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:11:56,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:56,258 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:56,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:56,259 INFO L85 PathProgramCache]: Analyzing trace with hash -221398382, now seen corresponding path program 2 times [2024-11-19 10:11:56,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:56,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741166253] [2024-11-19 10:11:56,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:56,295 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:56,296 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 138 proven. 135 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2024-11-19 10:11:56,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:56,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741166253] [2024-11-19 10:11:56,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741166253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:56,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566055133] [2024-11-19 10:11:56,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:56,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:56,559 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:56,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:11:56,658 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:56,658 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:56,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:11:56,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 226 proven. 14 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-19 10:11:56,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 226 proven. 14 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-19 10:11:56,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566055133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:56,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:56,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 18 [2024-11-19 10:11:56,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890710103] [2024-11-19 10:11:56,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:56,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:11:56,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:56,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:11:56,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:11:56,932 INFO L87 Difference]: Start difference. First operand 1090 states and 1627 transitions. Second operand has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-19 10:11:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:57,246 INFO L93 Difference]: Finished difference Result 1934 states and 3121 transitions. [2024-11-19 10:11:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:11:57,247 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) Word has length 214 [2024-11-19 10:11:57,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:57,261 INFO L225 Difference]: With dead ends: 1934 [2024-11-19 10:11:57,261 INFO L226 Difference]: Without dead ends: 1930 [2024-11-19 10:11:57,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:11:57,265 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 86 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:57,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 210 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:11:57,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2024-11-19 10:11:57,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1375. [2024-11-19 10:11:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 1130 states have (on average 1.1513274336283186) internal successors, (1301), 1122 states have internal predecessors, (1301), 188 states have call successors, (188), 28 states have call predecessors, (188), 52 states have return successors, (501), 224 states have call predecessors, (501), 188 states have call successors, (501) [2024-11-19 10:11:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1990 transitions. [2024-11-19 10:11:57,395 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1990 transitions. Word has length 214 [2024-11-19 10:11:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:57,398 INFO L471 AbstractCegarLoop]: Abstraction has 1375 states and 1990 transitions. [2024-11-19 10:11:57,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-19 10:11:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1990 transitions. [2024-11-19 10:11:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-19 10:11:57,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:57,403 INFO L215 NwaCegarLoop]: trace histogram [22, 19, 14, 10, 10, 9, 9, 9, 9, 9, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:11:57,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:11:57,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:57,608 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:57,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:57,608 INFO L85 PathProgramCache]: Analyzing trace with hash -736420140, now seen corresponding path program 3 times [2024-11-19 10:11:57,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:57,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968310451] [2024-11-19 10:11:57,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:11:57,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:57,624 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:11:57,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2024-11-19 10:11:57,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:57,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968310451] [2024-11-19 10:11:57,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968310451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:57,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493239644] [2024-11-19 10:11:57,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:11:57,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:57,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:57,670 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:57,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:11:57,773 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:11:57,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:57,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:11:57,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2024-11-19 10:11:57,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2024-11-19 10:11:57,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493239644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:57,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:57,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:11:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746637075] [2024-11-19 10:11:57,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:57,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:11:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:11:57,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:11:57,960 INFO L87 Difference]: Start difference. First operand 1375 states and 1990 transitions. Second operand has 10 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:11:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:58,196 INFO L93 Difference]: Finished difference Result 1613 states and 2498 transitions. [2024-11-19 10:11:58,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:11:58,196 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 229 [2024-11-19 10:11:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:58,206 INFO L225 Difference]: With dead ends: 1613 [2024-11-19 10:11:58,207 INFO L226 Difference]: Without dead ends: 1595 [2024-11-19 10:11:58,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:11:58,209 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 58 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:58,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 337 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:11:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2024-11-19 10:11:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1528. [2024-11-19 10:11:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1253 states have (on average 1.14365522745411) internal successors, (1433), 1237 states have internal predecessors, (1433), 210 states have call successors, (210), 33 states have call predecessors, (210), 60 states have return successors, (445), 257 states have call predecessors, (445), 210 states have call successors, (445) [2024-11-19 10:11:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2088 transitions. [2024-11-19 10:11:58,306 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2088 transitions. Word has length 229 [2024-11-19 10:11:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:58,309 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 2088 transitions. [2024-11-19 10:11:58,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:11:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2088 transitions. [2024-11-19 10:11:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-19 10:11:58,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:58,316 INFO L215 NwaCegarLoop]: trace histogram [25, 23, 18, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:11:58,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 10:11:58,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:58,520 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:11:58,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash -660437369, now seen corresponding path program 2 times [2024-11-19 10:11:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:58,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471637364] [2024-11-19 10:11:58,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:58,543 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:58,543 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 66 proven. 12 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2024-11-19 10:11:58,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:58,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471637364] [2024-11-19 10:11:58,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471637364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:58,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335329468] [2024-11-19 10:11:58,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:11:58,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:58,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:58,623 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:11:58,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:11:58,735 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:11:58,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:58,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:11:58,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 815 proven. 3 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-19 10:11:58,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 338 proven. 68 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2024-11-19 10:11:59,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335329468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:59,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:59,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 19 [2024-11-19 10:11:59,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705908028] [2024-11-19 10:11:59,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:59,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:11:59,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:59,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:11:59,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:11:59,084 INFO L87 Difference]: Start difference. First operand 1528 states and 2088 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 17 states have internal predecessors, (94), 9 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-19 10:11:59,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:59,680 INFO L93 Difference]: Finished difference Result 2952 states and 4533 transitions. [2024-11-19 10:11:59,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 10:11:59,680 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 17 states have internal predecessors, (94), 9 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 260 [2024-11-19 10:11:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:59,693 INFO L225 Difference]: With dead ends: 2952 [2024-11-19 10:11:59,694 INFO L226 Difference]: Without dead ends: 1914 [2024-11-19 10:11:59,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 504 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=976, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 10:11:59,709 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 165 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:59,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 277 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:11:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2024-11-19 10:11:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1692. [2024-11-19 10:11:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1380 states have (on average 1.1420289855072463) internal successors, (1576), 1361 states have internal predecessors, (1576), 247 states have call successors, (247), 45 states have call predecessors, (247), 60 states have return successors, (338), 285 states have call predecessors, (338), 247 states have call successors, (338) [2024-11-19 10:11:59,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2161 transitions. [2024-11-19 10:11:59,811 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2161 transitions. Word has length 260 [2024-11-19 10:11:59,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:59,812 INFO L471 AbstractCegarLoop]: Abstraction has 1692 states and 2161 transitions. [2024-11-19 10:11:59,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 17 states have internal predecessors, (94), 9 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-19 10:11:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2161 transitions. [2024-11-19 10:11:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-19 10:11:59,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:59,816 INFO L215 NwaCegarLoop]: trace histogram [26, 24, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:11:59,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:12:00,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:00,021 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:00,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:00,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1848092066, now seen corresponding path program 1 times [2024-11-19 10:12:00,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:00,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402451710] [2024-11-19 10:12:00,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:12:00,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:12:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 280 proven. 167 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2024-11-19 10:12:00,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:00,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402451710] [2024-11-19 10:12:00,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402451710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:00,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918716410] [2024-11-19 10:12:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:12:00,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:00,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:00,356 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:00,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:12:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:12:00,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:12:00,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 947 proven. 101 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-11-19 10:12:00,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1804 backedges. 280 proven. 167 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2024-11-19 10:12:00,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918716410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:00,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:00,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2024-11-19 10:12:00,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664200364] [2024-11-19 10:12:00,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:00,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:12:00,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:00,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:12:00,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:12:00,898 INFO L87 Difference]: Start difference. First operand 1692 states and 2161 transitions. Second operand has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2024-11-19 10:12:01,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:01,232 INFO L93 Difference]: Finished difference Result 2493 states and 3186 transitions. [2024-11-19 10:12:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:12:01,233 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 267 [2024-11-19 10:12:01,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:01,246 INFO L225 Difference]: With dead ends: 2493 [2024-11-19 10:12:01,250 INFO L226 Difference]: Without dead ends: 1802 [2024-11-19 10:12:01,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 513 SyntacticMatches, 14 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2024-11-19 10:12:01,253 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 7 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:01,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 571 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:12:01,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2024-11-19 10:12:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1792. [2024-11-19 10:12:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1467 states have (on average 1.1336059986366736) internal successors, (1663), 1448 states have internal predecessors, (1663), 260 states have call successors, (260), 45 states have call predecessors, (260), 60 states have return successors, (351), 298 states have call predecessors, (351), 260 states have call successors, (351) [2024-11-19 10:12:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2274 transitions. [2024-11-19 10:12:01,362 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2274 transitions. Word has length 267 [2024-11-19 10:12:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:01,363 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2274 transitions. [2024-11-19 10:12:01,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.541666666666667) internal successors, (109), 24 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2024-11-19 10:12:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2274 transitions. [2024-11-19 10:12:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-19 10:12:01,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:01,366 INFO L215 NwaCegarLoop]: trace histogram [28, 27, 19, 11, 10, 10, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:01,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:12:01,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-19 10:12:01,570 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:01,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:01,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1518351056, now seen corresponding path program 2 times [2024-11-19 10:12:01,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:01,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526979796] [2024-11-19 10:12:01,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:12:01,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:01,610 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:12:01,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2168 backedges. 272 proven. 108 refuted. 0 times theorem prover too weak. 1788 trivial. 0 not checked. [2024-11-19 10:12:01,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:01,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526979796] [2024-11-19 10:12:01,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526979796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:01,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242475508] [2024-11-19 10:12:01,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:12:01,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:01,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:01,904 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:01,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:12:02,052 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:12:02,052 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:02,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:12:02,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2168 backedges. 1090 proven. 82 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2024-11-19 10:12:02,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2168 backedges. 272 proven. 108 refuted. 0 times theorem prover too weak. 1788 trivial. 0 not checked. [2024-11-19 10:12:02,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242475508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:02,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:02,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2024-11-19 10:12:02,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857168445] [2024-11-19 10:12:02,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:02,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:12:02,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:02,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:12:02,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:12:02,565 INFO L87 Difference]: Start difference. First operand 1792 states and 2274 transitions. Second operand has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 11 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) [2024-11-19 10:12:02,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:02,836 INFO L93 Difference]: Finished difference Result 2454 states and 3122 transitions. [2024-11-19 10:12:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:12:02,836 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 11 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) Word has length 291 [2024-11-19 10:12:02,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:02,844 INFO L225 Difference]: With dead ends: 2454 [2024-11-19 10:12:02,844 INFO L226 Difference]: Without dead ends: 1693 [2024-11-19 10:12:02,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 560 SyntacticMatches, 15 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:12:02,847 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:02,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 606 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:12:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-19 10:12:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1692. [2024-11-19 10:12:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1380 states have (on average 1.1355072463768117) internal successors, (1567), 1361 states have internal predecessors, (1567), 247 states have call successors, (247), 45 states have call predecessors, (247), 60 states have return successors, (338), 285 states have call predecessors, (338), 247 states have call successors, (338) [2024-11-19 10:12:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2152 transitions. [2024-11-19 10:12:02,954 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2152 transitions. Word has length 291 [2024-11-19 10:12:02,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:02,954 INFO L471 AbstractCegarLoop]: Abstraction has 1692 states and 2152 transitions. [2024-11-19 10:12:02,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 11 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 11 states have call predecessors, (19), 11 states have call successors, (19) [2024-11-19 10:12:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2152 transitions. [2024-11-19 10:12:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-19 10:12:02,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:02,958 INFO L215 NwaCegarLoop]: trace histogram [28, 24, 19, 12, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:02,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:03,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-19 10:12:03,162 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:03,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash -627406537, now seen corresponding path program 3 times [2024-11-19 10:12:03,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:03,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629274838] [2024-11-19 10:12:03,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:12:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:03,202 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:12:03,203 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 162 proven. 6 refuted. 0 times theorem prover too weak. 1792 trivial. 0 not checked. [2024-11-19 10:12:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629274838] [2024-11-19 10:12:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629274838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581980930] [2024-11-19 10:12:03,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:12:03,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:03,302 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:03,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:12:03,401 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:12:03,401 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:03,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:12:03,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 1033 proven. 44 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-19 10:12:03,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 429 proven. 185 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-19 10:12:03,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581980930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:03,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:03,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 14, 14] total 24 [2024-11-19 10:12:03,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866037284] [2024-11-19 10:12:03,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:03,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:12:03,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:03,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:12:03,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:12:03,927 INFO L87 Difference]: Start difference. First operand 1692 states and 2152 transitions. Second operand has 24 states, 24 states have (on average 4.375) internal successors, (105), 22 states have internal predecessors, (105), 10 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-19 10:12:04,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:04,854 INFO L93 Difference]: Finished difference Result 3873 states and 5390 transitions. [2024-11-19 10:12:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-19 10:12:04,854 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 22 states have internal predecessors, (105), 10 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) Word has length 277 [2024-11-19 10:12:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:04,872 INFO L225 Difference]: With dead ends: 3873 [2024-11-19 10:12:04,872 INFO L226 Difference]: Without dead ends: 2374 [2024-11-19 10:12:04,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 537 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=1740, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:12:04,885 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 185 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:04,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 737 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:12:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-19 10:12:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2130. [2024-11-19 10:12:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1754 states have (on average 1.137400228050171) internal successors, (1995), 1731 states have internal predecessors, (1995), 304 states have call successors, (304), 48 states have call predecessors, (304), 67 states have return successors, (466), 350 states have call predecessors, (466), 304 states have call successors, (466) [2024-11-19 10:12:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2765 transitions. [2024-11-19 10:12:05,054 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2765 transitions. Word has length 277 [2024-11-19 10:12:05,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:05,055 INFO L471 AbstractCegarLoop]: Abstraction has 2130 states and 2765 transitions. [2024-11-19 10:12:05,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 22 states have internal predecessors, (105), 10 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-19 10:12:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2765 transitions. [2024-11-19 10:12:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-19 10:12:05,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:05,058 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2024-11-19 10:12:05,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-19 10:12:05,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:05,259 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:05,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:05,259 INFO L85 PathProgramCache]: Analyzing trace with hash -429023874, now seen corresponding path program 4 times [2024-11-19 10:12:05,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:05,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126258060] [2024-11-19 10:12:05,259 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:05,296 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:05,296 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-19 10:12:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:06,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126258060] [2024-11-19 10:12:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126258060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141216587] [2024-11-19 10:12:06,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:06,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:06,444 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:06,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:12:06,548 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:06,548 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:06,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-19 10:12:06,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-19 10:12:06,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-19 10:12:08,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141216587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:08,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:08,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-19 10:12:08,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796873958] [2024-11-19 10:12:08,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:08,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-19 10:12:08,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:08,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-19 10:12:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-19 10:12:08,471 INFO L87 Difference]: Start difference. First operand 2130 states and 2765 transitions. Second operand has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-19 10:12:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:09,021 INFO L93 Difference]: Finished difference Result 3283 states and 4565 transitions. [2024-11-19 10:12:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-19 10:12:09,021 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 235 [2024-11-19 10:12:09,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:09,034 INFO L225 Difference]: With dead ends: 3283 [2024-11-19 10:12:09,034 INFO L226 Difference]: Without dead ends: 3282 [2024-11-19 10:12:09,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-19 10:12:09,039 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:09,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:12:09,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2024-11-19 10:12:09,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 3282. [2024-11-19 10:12:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 2714 states have (on average 1.1595431098010316) internal successors, (3147), 2691 states have internal predecessors, (3147), 496 states have call successors, (496), 48 states have call predecessors, (496), 67 states have return successors, (730), 542 states have call predecessors, (730), 496 states have call successors, (730) [2024-11-19 10:12:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4373 transitions. [2024-11-19 10:12:09,217 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4373 transitions. Word has length 235 [2024-11-19 10:12:09,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:09,217 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4373 transitions. [2024-11-19 10:12:09,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-19 10:12:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4373 transitions. [2024-11-19 10:12:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-19 10:12:09,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:09,221 INFO L215 NwaCegarLoop]: trace histogram [22, 21, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:12:09,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:12:09,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:09,427 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:09,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash 507239580, now seen corresponding path program 4 times [2024-11-19 10:12:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:09,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899710269] [2024-11-19 10:12:09,428 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:09,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:09,446 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:09,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 213 proven. 15 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-11-19 10:12:09,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899710269] [2024-11-19 10:12:09,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899710269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262237316] [2024-11-19 10:12:09,571 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:09,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:09,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:09,575 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:09,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:12:09,662 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:09,663 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:09,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:12:09,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 213 proven. 15 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-11-19 10:12:09,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 213 proven. 15 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-11-19 10:12:09,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262237316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:09,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:09,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-11-19 10:12:09,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796421448] [2024-11-19 10:12:09,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:09,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:12:09,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:09,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:12:09,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:12:09,969 INFO L87 Difference]: Start difference. First operand 3282 states and 4373 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-19 10:12:10,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:10,221 INFO L93 Difference]: Finished difference Result 5970 states and 8872 transitions. [2024-11-19 10:12:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:12:10,225 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) Word has length 236 [2024-11-19 10:12:10,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:10,250 INFO L225 Difference]: With dead ends: 5970 [2024-11-19 10:12:10,250 INFO L226 Difference]: Without dead ends: 3405 [2024-11-19 10:12:10,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 469 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:12:10,264 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 86 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:10,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 129 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:12:10,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2024-11-19 10:12:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3258. [2024-11-19 10:12:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3258 states, 2696 states have (on average 1.1606083086053411) internal successors, (3129), 2673 states have internal predecessors, (3129), 490 states have call successors, (490), 48 states have call predecessors, (490), 67 states have return successors, (712), 536 states have call predecessors, (712), 490 states have call successors, (712) [2024-11-19 10:12:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 4331 transitions. [2024-11-19 10:12:10,501 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 4331 transitions. Word has length 236 [2024-11-19 10:12:10,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:10,502 INFO L471 AbstractCegarLoop]: Abstraction has 3258 states and 4331 transitions. [2024-11-19 10:12:10,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-19 10:12:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 4331 transitions. [2024-11-19 10:12:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-19 10:12:10,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:10,506 INFO L215 NwaCegarLoop]: trace histogram [27, 22, 20, 12, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:10,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:10,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:12:10,708 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:10,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:10,709 INFO L85 PathProgramCache]: Analyzing trace with hash 264846193, now seen corresponding path program 5 times [2024-11-19 10:12:10,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:10,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363061972] [2024-11-19 10:12:10,710 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:10,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:10,724 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-19 10:12:10,725 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 151 proven. 54 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2024-11-19 10:12:10,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:10,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363061972] [2024-11-19 10:12:10,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363061972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:10,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885396772] [2024-11-19 10:12:10,788 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:10,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:10,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:10,791 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:10,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:12:10,864 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-19 10:12:10,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:10,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:12:10,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 762 proven. 2 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2024-11-19 10:12:10,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 268 proven. 59 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2024-11-19 10:12:11,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885396772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:11,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:11,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-19 10:12:11,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093627666] [2024-11-19 10:12:11,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:11,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:12:11,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:11,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:12:11,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:12:11,021 INFO L87 Difference]: Start difference. First operand 3258 states and 4331 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 10:12:11,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:11,226 INFO L93 Difference]: Finished difference Result 3414 states and 4528 transitions. [2024-11-19 10:12:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:12:11,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 271 [2024-11-19 10:12:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:11,242 INFO L225 Difference]: With dead ends: 3414 [2024-11-19 10:12:11,242 INFO L226 Difference]: Without dead ends: 3197 [2024-11-19 10:12:11,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:12:11,246 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 24 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:11,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 204 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:12:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2024-11-19 10:12:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3086. [2024-11-19 10:12:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2554 states have (on average 1.1554424432263117) internal successors, (2951), 2547 states have internal predecessors, (2951), 465 states have call successors, (465), 48 states have call predecessors, (465), 63 states have return successors, (639), 490 states have call predecessors, (639), 459 states have call successors, (639) [2024-11-19 10:12:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4055 transitions. [2024-11-19 10:12:11,474 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4055 transitions. Word has length 271 [2024-11-19 10:12:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:11,475 INFO L471 AbstractCegarLoop]: Abstraction has 3086 states and 4055 transitions. [2024-11-19 10:12:11,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-19 10:12:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4055 transitions. [2024-11-19 10:12:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-19 10:12:11,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:11,478 INFO L215 NwaCegarLoop]: trace histogram [28, 27, 20, 11, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:11,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:11,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-19 10:12:11,679 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:11,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:11,681 INFO L85 PathProgramCache]: Analyzing trace with hash -2136623208, now seen corresponding path program 3 times [2024-11-19 10:12:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:11,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035030153] [2024-11-19 10:12:11,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:12:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:11,717 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:12:11,717 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 448 proven. 21 refuted. 0 times theorem prover too weak. 1723 trivial. 0 not checked. [2024-11-19 10:12:11,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035030153] [2024-11-19 10:12:11,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035030153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:11,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264495074] [2024-11-19 10:12:11,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:12:11,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:11,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:11,877 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:11,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:12:11,970 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:12:11,970 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:11,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:12:11,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 448 proven. 19 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2024-11-19 10:12:12,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 448 proven. 21 refuted. 0 times theorem prover too weak. 1723 trivial. 0 not checked. [2024-11-19 10:12:12,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264495074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:12,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:12,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 17 [2024-11-19 10:12:12,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639352561] [2024-11-19 10:12:12,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:12,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:12:12,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:12:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:12:12,432 INFO L87 Difference]: Start difference. First operand 3086 states and 4055 transitions. Second operand has 17 states, 15 states have (on average 5.8) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-19 10:12:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:12,868 INFO L93 Difference]: Finished difference Result 5562 states and 8029 transitions. [2024-11-19 10:12:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:12:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.8) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 293 [2024-11-19 10:12:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:12,887 INFO L225 Difference]: With dead ends: 5562 [2024-11-19 10:12:12,887 INFO L226 Difference]: Without dead ends: 3253 [2024-11-19 10:12:12,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 577 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=541, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:12:12,901 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 105 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:12,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 297 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:12:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2024-11-19 10:12:13,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3170. [2024-11-19 10:12:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2622 states have (on average 1.1514111365369946) internal successors, (3019), 2609 states have internal predecessors, (3019), 479 states have call successors, (479), 54 states have call predecessors, (479), 65 states have return successors, (667), 506 states have call predecessors, (667), 473 states have call successors, (667) [2024-11-19 10:12:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4165 transitions. [2024-11-19 10:12:13,225 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4165 transitions. Word has length 293 [2024-11-19 10:12:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:13,226 INFO L471 AbstractCegarLoop]: Abstraction has 3170 states and 4165 transitions. [2024-11-19 10:12:13,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.8) internal successors, (87), 17 states have internal predecessors, (87), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-19 10:12:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4165 transitions. [2024-11-19 10:12:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-19 10:12:13,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:13,231 INFO L215 NwaCegarLoop]: trace histogram [27, 26, 19, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:13,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:13,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-19 10:12:13,435 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:13,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1508848392, now seen corresponding path program 4 times [2024-11-19 10:12:13,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:13,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138802784] [2024-11-19 10:12:13,436 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:13,461 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:13,462 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2053 backedges. 398 proven. 329 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-19 10:12:13,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:13,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138802784] [2024-11-19 10:12:13,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138802784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:13,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786377552] [2024-11-19 10:12:13,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:12:13,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:13,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:13,716 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:13,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:12:13,816 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:12:13,817 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:13,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:12:13,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2053 backedges. 1012 proven. 156 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2024-11-19 10:12:14,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2053 backedges. 398 proven. 330 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2024-11-19 10:12:14,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786377552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:14,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:14,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 28 [2024-11-19 10:12:14,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399561544] [2024-11-19 10:12:14,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:14,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 10:12:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 10:12:14,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:12:14,788 INFO L87 Difference]: Start difference. First operand 3170 states and 4165 transitions. Second operand has 28 states, 28 states have (on average 5.0) internal successors, (140), 28 states have internal predecessors, (140), 15 states have call successors, (20), 3 states have call predecessors, (20), 9 states have return successors, (22), 11 states have call predecessors, (22), 14 states have call successors, (22) [2024-11-19 10:12:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:15,984 INFO L93 Difference]: Finished difference Result 8649 states and 14954 transitions. [2024-11-19 10:12:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 10:12:15,985 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.0) internal successors, (140), 28 states have internal predecessors, (140), 15 states have call successors, (20), 3 states have call predecessors, (20), 9 states have return successors, (22), 11 states have call predecessors, (22), 14 states have call successors, (22) Word has length 285 [2024-11-19 10:12:15,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:16,025 INFO L225 Difference]: With dead ends: 8649 [2024-11-19 10:12:16,026 INFO L226 Difference]: Without dead ends: 6224 [2024-11-19 10:12:16,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 557 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=642, Invalid=2550, Unknown=0, NotChecked=0, Total=3192 [2024-11-19 10:12:16,049 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 281 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:16,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 483 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:12:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2024-11-19 10:12:16,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 5314. [2024-11-19 10:12:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 4395 states have (on average 1.1567690557451649) internal successors, (5084), 4372 states have internal predecessors, (5084), 805 states have call successors, (805), 84 states have call predecessors, (805), 110 states have return successors, (1491), 857 states have call predecessors, (1491), 793 states have call successors, (1491) [2024-11-19 10:12:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7380 transitions. [2024-11-19 10:12:16,531 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7380 transitions. Word has length 285 [2024-11-19 10:12:16,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:16,532 INFO L471 AbstractCegarLoop]: Abstraction has 5314 states and 7380 transitions. [2024-11-19 10:12:16,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.0) internal successors, (140), 28 states have internal predecessors, (140), 15 states have call successors, (20), 3 states have call predecessors, (20), 9 states have return successors, (22), 11 states have call predecessors, (22), 14 states have call successors, (22) [2024-11-19 10:12:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7380 transitions. [2024-11-19 10:12:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-19 10:12:16,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:16,535 INFO L215 NwaCegarLoop]: trace histogram [35, 33, 24, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:16,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:16,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:16,736 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:16,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:16,737 INFO L85 PathProgramCache]: Analyzing trace with hash 650415663, now seen corresponding path program 5 times [2024-11-19 10:12:16,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:16,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120869965] [2024-11-19 10:12:16,737 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:16,773 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-19 10:12:16,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 514 proven. 86 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2024-11-19 10:12:16,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:16,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120869965] [2024-11-19 10:12:16,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120869965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:16,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481643935] [2024-11-19 10:12:16,882 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:16,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:16,884 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:16,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:12:17,001 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-19 10:12:17,002 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:17,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:12:17,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 514 proven. 86 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2024-11-19 10:12:17,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 514 proven. 88 refuted. 0 times theorem prover too weak. 2831 trivial. 0 not checked. [2024-11-19 10:12:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481643935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:17,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:17,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 11 [2024-11-19 10:12:17,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971909629] [2024-11-19 10:12:17,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:17,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:12:17,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:17,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:12:17,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:12:17,382 INFO L87 Difference]: Start difference. First operand 5314 states and 7380 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 4 states have return successors, (12), 7 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-19 10:12:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:17,857 INFO L93 Difference]: Finished difference Result 9937 states and 15525 transitions. [2024-11-19 10:12:17,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:12:17,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 4 states have return successors, (12), 7 states have call predecessors, (12), 5 states have call successors, (12) Word has length 362 [2024-11-19 10:12:17,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:17,891 INFO L225 Difference]: With dead ends: 9937 [2024-11-19 10:12:17,891 INFO L226 Difference]: Without dead ends: 5410 [2024-11-19 10:12:17,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 719 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:12:17,917 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 55 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:17,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 193 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:12:17,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2024-11-19 10:12:18,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 5298. [2024-11-19 10:12:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 4387 states have (on average 1.1552313653977662) internal successors, (5068), 4358 states have internal predecessors, (5068), 795 states have call successors, (795), 92 states have call predecessors, (795), 112 states have return successors, (1444), 847 states have call predecessors, (1444), 789 states have call successors, (1444) [2024-11-19 10:12:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 7307 transitions. [2024-11-19 10:12:18,402 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 7307 transitions. Word has length 362 [2024-11-19 10:12:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:18,403 INFO L471 AbstractCegarLoop]: Abstraction has 5298 states and 7307 transitions. [2024-11-19 10:12:18,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 4 states have return successors, (12), 7 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-19 10:12:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 7307 transitions. [2024-11-19 10:12:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-19 10:12:18,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:18,408 INFO L215 NwaCegarLoop]: trace histogram [31, 28, 23, 13, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:12:18,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-19 10:12:18,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:18,613 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:18,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:18,613 INFO L85 PathProgramCache]: Analyzing trace with hash -36166055, now seen corresponding path program 6 times [2024-11-19 10:12:18,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:18,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407278672] [2024-11-19 10:12:18,614 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:12:18,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:18,644 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-19 10:12:18,644 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 173 proven. 252 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2024-11-19 10:12:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:18,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407278672] [2024-11-19 10:12:18,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407278672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:18,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41426806] [2024-11-19 10:12:18,988 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:12:18,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:18,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:18,990 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:18,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:12:19,089 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-19 10:12:19,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:19,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:12:19,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 1292 proven. 158 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-11-19 10:12:19,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2638 backedges. 280 proven. 284 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2024-11-19 10:12:19,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41426806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:19,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:19,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 36 [2024-11-19 10:12:19,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849713228] [2024-11-19 10:12:19,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:19,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-19 10:12:19,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:19,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-19 10:12:19,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 10:12:19,845 INFO L87 Difference]: Start difference. First operand 5298 states and 7307 transitions. Second operand has 36 states, 36 states have (on average 3.861111111111111) internal successors, (139), 30 states have internal predecessors, (139), 17 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-19 10:12:20,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:20,374 INFO L93 Difference]: Finished difference Result 5314 states and 7323 transitions. [2024-11-19 10:12:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:12:20,375 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.861111111111111) internal successors, (139), 30 states have internal predecessors, (139), 17 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) Word has length 320 [2024-11-19 10:12:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:20,380 INFO L225 Difference]: With dead ends: 5314 [2024-11-19 10:12:20,380 INFO L226 Difference]: Without dead ends: 304 [2024-11-19 10:12:20,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 617 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=306, Invalid=2144, Unknown=0, NotChecked=0, Total=2450 [2024-11-19 10:12:20,398 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 38 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:20,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 304 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:12:20,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-19 10:12:20,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-19 10:12:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 252 states have (on average 1.003968253968254) internal successors, (253), 252 states have internal predecessors, (253), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 10:12:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 347 transitions. [2024-11-19 10:12:20,429 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 347 transitions. Word has length 320 [2024-11-19 10:12:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:20,430 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 347 transitions. [2024-11-19 10:12:20,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.861111111111111) internal successors, (139), 30 states have internal predecessors, (139), 17 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-19 10:12:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 347 transitions. [2024-11-19 10:12:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-19 10:12:20,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:20,434 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2024-11-19 10:12:20,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-19 10:12:20,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:20,638 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:20,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:20,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1826406666, now seen corresponding path program 5 times [2024-11-19 10:12:20,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:20,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871525194] [2024-11-19 10:12:20,638 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:20,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:20,796 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:12:20,796 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-19 10:12:25,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:12:25,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871525194] [2024-11-19 10:12:25,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871525194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:12:25,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316525773] [2024-11-19 10:12:25,663 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:12:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:12:25,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:12:25,665 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:12:25,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:12:25,917 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:12:25,917 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:12:25,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-19 10:12:25,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:12:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-19 10:12:26,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:12:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-19 10:12:32,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316525773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:12:32,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:12:32,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-19 10:12:32,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96242199] [2024-11-19 10:12:32,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:12:32,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-19 10:12:32,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:12:32,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-19 10:12:32,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:12:32,698 INFO L87 Difference]: Start difference. First operand 304 states and 347 transitions. Second operand has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-19 10:12:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:33,477 INFO L93 Difference]: Finished difference Result 593 states and 731 transitions. [2024-11-19 10:12:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-19 10:12:33,477 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 475 [2024-11-19 10:12:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:33,481 INFO L225 Difference]: With dead ends: 593 [2024-11-19 10:12:33,482 INFO L226 Difference]: Without dead ends: 592 [2024-11-19 10:12:33,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:12:33,490 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:33,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:12:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-19 10:12:33,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2024-11-19 10:12:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 492 states have (on average 1.0020325203252032) internal successors, (493), 492 states have internal predecessors, (493), 95 states have call successors, (95), 4 states have call predecessors, (95), 4 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-19 10:12:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 683 transitions. [2024-11-19 10:12:33,523 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 683 transitions. Word has length 475 [2024-11-19 10:12:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:33,524 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 683 transitions. [2024-11-19 10:12:33,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-19 10:12:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 683 transitions. [2024-11-19 10:12:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2024-11-19 10:12:33,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:33,531 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1] [2024-11-19 10:12:33,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-19 10:12:33,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-19 10:12:33,733 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:12:33,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:33,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1039618534, now seen corresponding path program 6 times [2024-11-19 10:12:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:33,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278078076] [2024-11-19 10:12:33,733 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:12:33,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:34,203 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:12:34,206 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat