./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:14:38,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:14:38,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 20:14:38,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:14:38,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:14:38,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:14:38,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:14:38,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:14:38,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:14:38,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:14:38,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:14:38,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:14:38,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:14:38,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:14:38,140 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:14:38,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:14:38,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:14:38,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:14:38,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:14:38,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:14:38,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:14:38,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:14:38,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:14:38,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:14:38,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:14:38,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:14:38,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:14:38,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:14:38,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:14:38,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:14:38,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:14:38,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:14:38,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:14:38,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:14:38,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:14:38,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:14:38,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:14:38,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:14:38,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:14:38,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:14:38,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:14:38,152 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2024-10-11 20:14:38,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:14:38,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:14:38,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:14:38,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:14:38,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:14:38,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-10-11 20:14:39,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:14:39,982 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:14:39,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-10-11 20:14:39,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fca70abeb/5d314019f8fd40a2b94bdb75f8019445/FLAGe7cadb399 [2024-10-11 20:14:40,373 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fca70abeb/5d314019f8fd40a2b94bdb75f8019445 [2024-10-11 20:14:40,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:14:40,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:14:40,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:14:40,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:14:40,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:14:40,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f59c0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40, skipping insertion in model container [2024-10-11 20:14:40,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:14:40,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:14:40,555 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:14:40,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:14:40,575 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:14:40,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40 WrapperNode [2024-10-11 20:14:40,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:14:40,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:14:40,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:14:40,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:14:40,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,603 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-10-11 20:14:40,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:14:40,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:14:40,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:14:40,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:14:40,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,619 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 20:14:40,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:14:40,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:14:40,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:14:40,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:14:40,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (1/1) ... [2024-10-11 20:14:40,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:14:40,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:40,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:14:40,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:14:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:14:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:14:40,768 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:14:40,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:14:40,850 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-11 20:14:40,850 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:14:40,874 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:14:40,874 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:14:40,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:14:40 BoogieIcfgContainer [2024-10-11 20:14:40,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:14:40,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:14:40,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:14:40,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:14:40,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:14:40" (1/3) ... [2024-10-11 20:14:40,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@884c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:14:40, skipping insertion in model container [2024-10-11 20:14:40,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:14:40" (2/3) ... [2024-10-11 20:14:40,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@884c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:14:40, skipping insertion in model container [2024-10-11 20:14:40,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:14:40" (3/3) ... [2024-10-11 20:14:40,885 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2024-10-11 20:14:40,907 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:14:40,907 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 20:14:40,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:14:40,985 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;@6d9443da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:14:40,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 20:14:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 17 states have internal predecessors, (21), 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) [2024-10-11 20:14:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:14:40,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:40,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:14:40,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:40,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash 69427029, now seen corresponding path program 1 times [2024-10-11 20:14:41,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:41,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595294696] [2024-10-11 20:14:41,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:41,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595294696] [2024-10-11 20:14:41,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595294696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:14:41,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:14:41,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:14:41,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486813309] [2024-10-11 20:14:41,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:14:41,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:14:41,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:41,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:14:41,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:14:41,289 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-11 20:14:41,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:41,351 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2024-10-11 20:14:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:14:41,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-10-11 20:14:41,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:41,362 INFO L225 Difference]: With dead ends: 33 [2024-10-11 20:14:41,363 INFO L226 Difference]: Without dead ends: 26 [2024-10-11 20:14:41,367 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 [2024-10-11 20:14:41,371 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:41,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-11 20:14:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-10-11 20:14:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 22 states have internal predecessors, (28), 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) [2024-10-11 20:14:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-10-11 20:14:41,405 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 5 [2024-10-11 20:14:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:41,405 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-10-11 20:14:41,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-11 20:14:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-10-11 20:14:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:14:41,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:41,407 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:14:41,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:14:41,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:41,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2142729346, now seen corresponding path program 1 times [2024-10-11 20:14:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:41,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225261514] [2024-10-11 20:14:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:41,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225261514] [2024-10-11 20:14:41,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225261514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:14:41,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:14:41,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:14:41,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353111409] [2024-10-11 20:14:41,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:14:41,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:14:41,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:41,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:14:41,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:14:41,478 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:41,511 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2024-10-11 20:14:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:14:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 20:14:41,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:41,513 INFO L225 Difference]: With dead ends: 40 [2024-10-11 20:14:41,513 INFO L226 Difference]: Without dead ends: 38 [2024-10-11 20:14:41,513 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 [2024-10-11 20:14:41,514 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:41,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-11 20:14:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-10-11 20:14:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 35 states have internal predecessors, (47), 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) [2024-10-11 20:14:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2024-10-11 20:14:41,527 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 6 [2024-10-11 20:14:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:41,527 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-10-11 20:14:41,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-10-11 20:14:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:14:41,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:41,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:14:41,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:14:41,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:41,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:41,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2000100226, now seen corresponding path program 1 times [2024-10-11 20:14:41,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:41,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403123893] [2024-10-11 20:14:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:41,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403123893] [2024-10-11 20:14:41,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403123893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:14:41,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:14:41,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:14:41,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814504379] [2024-10-11 20:14:41,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:14:41,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:14:41,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:41,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:14:41,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:14:41,597 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:41,611 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2024-10-11 20:14:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:14:41,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:14:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:41,613 INFO L225 Difference]: With dead ends: 36 [2024-10-11 20:14:41,613 INFO L226 Difference]: Without dead ends: 35 [2024-10-11 20:14:41,613 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 [2024-10-11 20:14:41,614 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:41,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-11 20:14:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-11 20:14:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 34 states have internal predecessors, (44), 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) [2024-10-11 20:14:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2024-10-11 20:14:41,621 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 7 [2024-10-11 20:14:41,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:41,625 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-10-11 20:14:41,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-10-11 20:14:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:14:41,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:41,626 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:14:41,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:14:41,626 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:41,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:41,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1873564800, now seen corresponding path program 1 times [2024-10-11 20:14:41,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:41,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441179216] [2024-10-11 20:14:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441179216] [2024-10-11 20:14:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441179216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:14:41,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:14:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:14:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634328610] [2024-10-11 20:14:41,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:14:41,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:14:41,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:41,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:14:41,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:14:41,677 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:14:41,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:41,701 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2024-10-11 20:14:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:14:41,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-11 20:14:41,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:41,703 INFO L225 Difference]: With dead ends: 41 [2024-10-11 20:14:41,704 INFO L226 Difference]: Without dead ends: 40 [2024-10-11 20:14:41,705 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 [2024-10-11 20:14:41,706 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:41,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:41,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-11 20:14:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-11 20:14:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.4) internal successors, (49), 39 states have internal predecessors, (49), 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) [2024-10-11 20:14:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2024-10-11 20:14:41,722 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 8 [2024-10-11 20:14:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:41,722 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-10-11 20:14:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:14:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2024-10-11 20:14:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:14:41,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:41,723 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:14:41,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:14:41,724 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:41,725 INFO L85 PathProgramCache]: Analyzing trace with hash 799855624, now seen corresponding path program 1 times [2024-10-11 20:14:41,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:41,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430844730] [2024-10-11 20:14:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:41,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430844730] [2024-10-11 20:14:41,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430844730] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:41,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894508702] [2024-10-11 20:14:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:41,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:41,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:14:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:41,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:14:41,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:41,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894508702] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:41,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:41,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:14:41,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213831012] [2024-10-11 20:14:41,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:41,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:14:41,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:41,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:14:41,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:41,950 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-11 20:14:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:42,025 INFO L93 Difference]: Finished difference Result 80 states and 109 transitions. [2024-10-11 20:14:42,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:14:42,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 11 [2024-10-11 20:14:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:42,028 INFO L225 Difference]: With dead ends: 80 [2024-10-11 20:14:42,028 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 20:14:42,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:42,038 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:42,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:14:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 20:14:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 50. [2024-10-11 20:14:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 49 states have internal predecessors, (62), 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) [2024-10-11 20:14:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2024-10-11 20:14:42,049 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 11 [2024-10-11 20:14:42,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:42,049 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2024-10-11 20:14:42,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-11 20:14:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2024-10-11 20:14:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 20:14:42,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:42,050 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:14:42,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:14:42,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:42,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:42,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1616469403, now seen corresponding path program 1 times [2024-10-11 20:14:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555322409] [2024-10-11 20:14:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555322409] [2024-10-11 20:14:42,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555322409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:42,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941433402] [2024-10-11 20:14:42,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:42,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:42,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:42,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:42,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:14:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:42,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:14:42,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941433402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:42,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:42,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:14:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049598092] [2024-10-11 20:14:42,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:42,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:14:42,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:14:42,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:42,397 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-10-11 20:14:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:42,454 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2024-10-11 20:14:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:14:42,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-11 20:14:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:42,456 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:14:42,456 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:14:42,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:42,457 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 18 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:42,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 37 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:42,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:14:42,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 99. [2024-10-11 20:14:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 98 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2024-10-11 20:14:42,469 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 12 [2024-10-11 20:14:42,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:42,470 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2024-10-11 20:14:42,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-10-11 20:14:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-10-11 20:14:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:14:42,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:42,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:14:42,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:14:42,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:42,672 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:42,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1351066791, now seen corresponding path program 1 times [2024-10-11 20:14:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:42,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219638049] [2024-10-11 20:14:42,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:42,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219638049] [2024-10-11 20:14:42,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219638049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:42,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636562057] [2024-10-11 20:14:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:42,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:42,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:42,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:42,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:14:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:42,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:14:42,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:42,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636562057] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:42,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:42,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-11 20:14:42,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141694176] [2024-10-11 20:14:42,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:42,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:14:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:42,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:14:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:42,820 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:42,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:42,861 INFO L93 Difference]: Finished difference Result 212 states and 272 transitions. [2024-10-11 20:14:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:14:42,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:14:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:42,863 INFO L225 Difference]: With dead ends: 212 [2024-10-11 20:14:42,863 INFO L226 Difference]: Without dead ends: 211 [2024-10-11 20:14:42,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:14:42,864 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 21 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:42,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 42 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-11 20:14:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2024-10-11 20:14:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.2292682926829268) internal successors, (252), 208 states have internal predecessors, (252), 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) [2024-10-11 20:14:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2024-10-11 20:14:42,891 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 14 [2024-10-11 20:14:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:42,891 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2024-10-11 20:14:42,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2024-10-11 20:14:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:14:42,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:42,892 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1] [2024-10-11 20:14:42,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:14:43,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:43,094 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:43,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:43,095 INFO L85 PathProgramCache]: Analyzing trace with hash 541767483, now seen corresponding path program 1 times [2024-10-11 20:14:43,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:43,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278030972] [2024-10-11 20:14:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:43,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278030972] [2024-10-11 20:14:43,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278030972] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:43,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030575795] [2024-10-11 20:14:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:43,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:43,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:43,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:14:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:43,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:14:43,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030575795] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:43,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:43,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-11 20:14:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069270728] [2024-10-11 20:14:43,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:43,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:14:43,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:14:43,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:14:43,308 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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) [2024-10-11 20:14:43,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:43,380 INFO L93 Difference]: Finished difference Result 410 states and 524 transitions. [2024-10-11 20:14:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:14:43,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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 17 [2024-10-11 20:14:43,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:43,384 INFO L225 Difference]: With dead ends: 410 [2024-10-11 20:14:43,384 INFO L226 Difference]: Without dead ends: 409 [2024-10-11 20:14:43,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:14:43,385 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 42 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:43,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 44 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:14:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-11 20:14:43,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 341. [2024-10-11 20:14:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 337 states have (on average 1.2640949554896141) internal successors, (426), 340 states have internal predecessors, (426), 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) [2024-10-11 20:14:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 426 transitions. [2024-10-11 20:14:43,423 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 426 transitions. Word has length 17 [2024-10-11 20:14:43,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:43,423 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 426 transitions. [2024-10-11 20:14:43,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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) [2024-10-11 20:14:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2024-10-11 20:14:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:14:43,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:43,425 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-10-11 20:14:43,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:14:43,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:14:43,630 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:43,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1081708646, now seen corresponding path program 2 times [2024-10-11 20:14:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849480420] [2024-10-11 20:14:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:43,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:43,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849480420] [2024-10-11 20:14:43,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849480420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:43,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442601014] [2024-10-11 20:14:43,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:14:43,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:43,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:43,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:43,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:14:43,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:14:43,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:43,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:14:43,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:43,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442601014] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:43,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:43,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:14:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908400219] [2024-10-11 20:14:43,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:43,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:14:43,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:43,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:14:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:14:43,948 INFO L87 Difference]: Start difference. First operand 341 states and 426 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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) [2024-10-11 20:14:44,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:44,057 INFO L93 Difference]: Finished difference Result 886 states and 1203 transitions. [2024-10-11 20:14:44,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:14:44,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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 30 [2024-10-11 20:14:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:44,062 INFO L225 Difference]: With dead ends: 886 [2024-10-11 20:14:44,062 INFO L226 Difference]: Without dead ends: 884 [2024-10-11 20:14:44,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:14:44,065 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 59 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:44,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 76 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:14:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-11 20:14:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 581. [2024-10-11 20:14:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 577 states have (on average 1.2807625649913346) internal successors, (739), 580 states have internal predecessors, (739), 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) [2024-10-11 20:14:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 739 transitions. [2024-10-11 20:14:44,107 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 739 transitions. Word has length 30 [2024-10-11 20:14:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:44,107 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 739 transitions. [2024-10-11 20:14:44,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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) [2024-10-11 20:14:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 739 transitions. [2024-10-11 20:14:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:14:44,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:44,110 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-10-11 20:14:44,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:14:44,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:44,311 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:44,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:44,312 INFO L85 PathProgramCache]: Analyzing trace with hash -139921252, now seen corresponding path program 2 times [2024-10-11 20:14:44,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:44,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633978198] [2024-10-11 20:14:44,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:44,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:14:44,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:44,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633978198] [2024-10-11 20:14:44,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633978198] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:44,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254289122] [2024-10-11 20:14:44,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:14:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:44,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:44,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:44,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:14:44,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:14:44,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:44,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:14:44,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:14:44,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:14:44,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254289122] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:44,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:44,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-10-11 20:14:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838194540] [2024-10-11 20:14:44,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:44,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:14:44,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:44,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:14:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:14:44,540 INFO L87 Difference]: Start difference. First operand 581 states and 739 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:44,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:44,578 INFO L93 Difference]: Finished difference Result 581 states and 739 transitions. [2024-10-11 20:14:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:14:44,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-11 20:14:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:44,582 INFO L225 Difference]: With dead ends: 581 [2024-10-11 20:14:44,583 INFO L226 Difference]: Without dead ends: 580 [2024-10-11 20:14:44,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:14:44,584 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:44,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:14:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-10-11 20:14:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 454. [2024-10-11 20:14:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 451 states have (on average 1.188470066518847) internal successors, (536), 453 states have internal predecessors, (536), 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) [2024-10-11 20:14:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 536 transitions. [2024-10-11 20:14:44,619 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 536 transitions. Word has length 32 [2024-10-11 20:14:44,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:44,620 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 536 transitions. [2024-10-11 20:14:44,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:14:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 536 transitions. [2024-10-11 20:14:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:14:44,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:44,624 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1] [2024-10-11 20:14:44,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:14:44,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:14:44,825 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:44,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:44,825 INFO L85 PathProgramCache]: Analyzing trace with hash 152586887, now seen corresponding path program 2 times [2024-10-11 20:14:44,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:44,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42565] [2024-10-11 20:14:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:44,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:44,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:44,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42565] [2024-10-11 20:14:44,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:44,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977980186] [2024-10-11 20:14:44,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:14:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:44,983 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:44,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:14:45,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:14:45,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:45,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:14:45,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:45,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977980186] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:45,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:45,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-10-11 20:14:45,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145876207] [2024-10-11 20:14:45,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:45,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:14:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:14:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:14:45,232 INFO L87 Difference]: Start difference. First operand 454 states and 536 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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) [2024-10-11 20:14:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:45,389 INFO L93 Difference]: Finished difference Result 1639 states and 2005 transitions. [2024-10-11 20:14:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:14:45,389 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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 41 [2024-10-11 20:14:45,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:45,395 INFO L225 Difference]: With dead ends: 1639 [2024-10-11 20:14:45,395 INFO L226 Difference]: Without dead ends: 1638 [2024-10-11 20:14:45,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:14:45,397 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 54 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:45,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 77 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:14:45,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2024-10-11 20:14:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 904. [2024-10-11 20:14:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 901 states have (on average 1.1786903440621532) internal successors, (1062), 903 states have internal predecessors, (1062), 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) [2024-10-11 20:14:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1062 transitions. [2024-10-11 20:14:45,467 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1062 transitions. Word has length 41 [2024-10-11 20:14:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:45,467 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1062 transitions. [2024-10-11 20:14:45,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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) [2024-10-11 20:14:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1062 transitions. [2024-10-11 20:14:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 20:14:45,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:45,470 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1] [2024-10-11 20:14:45,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:14:45,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:45,674 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:45,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1666232252, now seen corresponding path program 3 times [2024-10-11 20:14:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:45,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356079324] [2024-10-11 20:14:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356079324] [2024-10-11 20:14:45,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356079324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009345891] [2024-10-11 20:14:45,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:14:45,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:45,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:45,897 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:45,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:14:45,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-11 20:14:45,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:45,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:14:45,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:46,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:46,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009345891] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:46,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:46,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-11 20:14:46,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250865771] [2024-10-11 20:14:46,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:46,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 20:14:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:46,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 20:14:46,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:14:46,314 INFO L87 Difference]: Start difference. First operand 904 states and 1062 transitions. Second operand has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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) [2024-10-11 20:14:46,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:46,610 INFO L93 Difference]: Finished difference Result 4211 states and 5265 transitions. [2024-10-11 20:14:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:14:46,612 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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 66 [2024-10-11 20:14:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:46,628 INFO L225 Difference]: With dead ends: 4211 [2024-10-11 20:14:46,628 INFO L226 Difference]: Without dead ends: 4209 [2024-10-11 20:14:46,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:14:46,631 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 114 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:46,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 120 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:14:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2024-10-11 20:14:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 1938. [2024-10-11 20:14:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1935 states have (on average 1.15968992248062) internal successors, (2244), 1937 states have internal predecessors, (2244), 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) [2024-10-11 20:14:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2244 transitions. [2024-10-11 20:14:46,735 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2244 transitions. Word has length 66 [2024-10-11 20:14:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:46,736 INFO L471 AbstractCegarLoop]: Abstraction has 1938 states and 2244 transitions. [2024-10-11 20:14:46,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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) [2024-10-11 20:14:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2244 transitions. [2024-10-11 20:14:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 20:14:46,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:46,737 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1] [2024-10-11 20:14:46,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:14:46,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:14:46,938 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:46,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:46,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1333197537, now seen corresponding path program 3 times [2024-10-11 20:14:46,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:46,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466023345] [2024-10-11 20:14:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:47,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:47,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466023345] [2024-10-11 20:14:47,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466023345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:47,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881378910] [2024-10-11 20:14:47,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:14:47,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:47,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:47,252 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:47,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:14:47,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-11 20:14:47,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:47,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:14:47,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:47,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:47,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881378910] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:47,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:47,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-10-11 20:14:47,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225524651] [2024-10-11 20:14:47,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:47,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-11 20:14:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-11 20:14:47,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-11 20:14:47,910 INFO L87 Difference]: Start difference. First operand 1938 states and 2244 transitions. Second operand has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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) [2024-10-11 20:14:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:48,407 INFO L93 Difference]: Finished difference Result 9801 states and 11675 transitions. [2024-10-11 20:14:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-11 20:14:48,408 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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 89 [2024-10-11 20:14:48,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:48,438 INFO L225 Difference]: With dead ends: 9801 [2024-10-11 20:14:48,438 INFO L226 Difference]: Without dead ends: 9800 [2024-10-11 20:14:48,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-10-11 20:14:48,446 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 158 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:48,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 157 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:14:48,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9800 states. [2024-10-11 20:14:48,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9800 to 3736. [2024-10-11 20:14:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3733 states have (on average 1.1534958478435575) internal successors, (4306), 3735 states have internal predecessors, (4306), 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) [2024-10-11 20:14:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 4306 transitions. [2024-10-11 20:14:48,678 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 4306 transitions. Word has length 89 [2024-10-11 20:14:48,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:48,679 INFO L471 AbstractCegarLoop]: Abstraction has 3736 states and 4306 transitions. [2024-10-11 20:14:48,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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) [2024-10-11 20:14:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 4306 transitions. [2024-10-11 20:14:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:14:48,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:48,682 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1] [2024-10-11 20:14:48,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:14:48,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:48,883 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:48,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2039147160, now seen corresponding path program 4 times [2024-10-11 20:14:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:48,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732333901] [2024-10-11 20:14:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:49,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:49,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732333901] [2024-10-11 20:14:49,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732333901] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:49,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374146173] [2024-10-11 20:14:49,454 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:14:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:49,456 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:49,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:14:49,524 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:14:49,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:49,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 20:14:49,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:49,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:50,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374146173] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:50,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:50,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-10-11 20:14:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286048868] [2024-10-11 20:14:50,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:50,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-11 20:14:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-11 20:14:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 20:14:50,504 INFO L87 Difference]: Start difference. First operand 3736 states and 4306 transitions. Second operand has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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) [2024-10-11 20:14:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:51,399 INFO L93 Difference]: Finished difference Result 26503 states and 31969 transitions. [2024-10-11 20:14:51,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 20:14:51,400 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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 138 [2024-10-11 20:14:51,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:51,451 INFO L225 Difference]: With dead ends: 26503 [2024-10-11 20:14:51,451 INFO L226 Difference]: Without dead ends: 26501 [2024-10-11 20:14:51,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 20:14:51,466 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 276 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:51,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 240 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:14:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26501 states. [2024-10-11 20:14:52,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26501 to 7978. [2024-10-11 20:14:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7978 states, 7975 states have (on average 1.1430721003134796) internal successors, (9116), 7977 states have internal predecessors, (9116), 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) [2024-10-11 20:14:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7978 states to 7978 states and 9116 transitions. [2024-10-11 20:14:52,163 INFO L78 Accepts]: Start accepts. Automaton has 7978 states and 9116 transitions. Word has length 138 [2024-10-11 20:14:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:52,164 INFO L471 AbstractCegarLoop]: Abstraction has 7978 states and 9116 transitions. [2024-10-11 20:14:52,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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) [2024-10-11 20:14:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7978 states and 9116 transitions. [2024-10-11 20:14:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 20:14:52,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:52,174 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 1, 1, 1] [2024-10-11 20:14:52,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:14:52,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:14:52,378 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:52,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:52,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1133562447, now seen corresponding path program 4 times [2024-10-11 20:14:52,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877751973] [2024-10-11 20:14:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:14:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:53,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:14:53,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877751973] [2024-10-11 20:14:53,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877751973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:14:53,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105785147] [2024-10-11 20:14:53,620 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:14:53,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:14:53,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:14:53,622 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:14:53,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:14:53,699 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:14:53,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:14:53,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 20:14:53,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:14:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:53,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:14:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:14:55,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105785147] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:14:55,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:14:55,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-10-11 20:14:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351062428] [2024-10-11 20:14:55,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:14:55,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-11 20:14:55,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:14:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-11 20:14:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-11 20:14:55,283 INFO L87 Difference]: Start difference. First operand 7978 states and 9116 transitions. Second operand has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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) [2024-10-11 20:14:57,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:14:57,135 INFO L93 Difference]: Finished difference Result 64837 states and 75523 transitions. [2024-10-11 20:14:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-11 20:14:57,136 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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 185 [2024-10-11 20:14:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:14:57,229 INFO L225 Difference]: With dead ends: 64837 [2024-10-11 20:14:57,229 INFO L226 Difference]: Without dead ends: 64836 [2024-10-11 20:14:57,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-10-11 20:14:57,253 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 412 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:14:57,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 317 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:14:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64836 states. [2024-10-11 20:14:58,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64836 to 15160. [2024-10-11 20:14:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15160 states, 15157 states have (on average 1.139671438939104) internal successors, (17274), 15159 states have internal predecessors, (17274), 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) [2024-10-11 20:14:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15160 states to 15160 states and 17274 transitions. [2024-10-11 20:14:58,758 INFO L78 Accepts]: Start accepts. Automaton has 15160 states and 17274 transitions. Word has length 185 [2024-10-11 20:14:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:14:58,759 INFO L471 AbstractCegarLoop]: Abstraction has 15160 states and 17274 transitions. [2024-10-11 20:14:58,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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) [2024-10-11 20:14:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 15160 states and 17274 transitions. [2024-10-11 20:14:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-11 20:14:58,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:14:58,770 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1] [2024-10-11 20:14:58,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:14:58,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:14:58,974 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:14:58,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:14:58,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1542423360, now seen corresponding path program 5 times [2024-10-11 20:14:58,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:14:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533055580] [2024-10-11 20:14:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:14:58,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:14:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:15:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:01,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:15:01,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533055580] [2024-10-11 20:15:01,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533055580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:15:01,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249471648] [2024-10-11 20:15:01,139 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:15:01,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:15:01,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:15:01,141 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:15:01,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:15:01,284 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-11 20:15:01,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:15:01,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 20:15:01,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:15:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:01,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:15:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:04,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249471648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:15:04,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:15:04,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-10-11 20:15:04,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337503181] [2024-10-11 20:15:04,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:15:04,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-11 20:15:04,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:15:04,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-11 20:15:04,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 20:15:04,031 INFO L87 Difference]: Start difference. First operand 15160 states and 17274 transitions. Second operand has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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) [2024-10-11 20:15:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:15:09,801 INFO L93 Difference]: Finished difference Result 182623 states and 214113 transitions. [2024-10-11 20:15:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-11 20:15:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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 282 [2024-10-11 20:15:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:15:10,062 INFO L225 Difference]: With dead ends: 182623 [2024-10-11 20:15:10,062 INFO L226 Difference]: Without dead ends: 182621 [2024-10-11 20:15:10,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-10-11 20:15:10,106 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 634 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:15:10,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 480 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:15:10,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182621 states. [2024-10-11 20:15:13,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182621 to 32346. [2024-10-11 20:15:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32346 states, 32343 states have (on average 1.134217605045914) internal successors, (36684), 32345 states have internal predecessors, (36684), 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) [2024-10-11 20:15:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32346 states to 32346 states and 36684 transitions. [2024-10-11 20:15:14,061 INFO L78 Accepts]: Start accepts. Automaton has 32346 states and 36684 transitions. Word has length 282 [2024-10-11 20:15:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:15:14,062 INFO L471 AbstractCegarLoop]: Abstraction has 32346 states and 36684 transitions. [2024-10-11 20:15:14,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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) [2024-10-11 20:15:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32346 states and 36684 transitions. [2024-10-11 20:15:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-11 20:15:14,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:15:14,090 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 1, 1, 1] [2024-10-11 20:15:14,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:15:14,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:15:14,295 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 20:15:14,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:15:14,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1061579601, now seen corresponding path program 5 times [2024-10-11 20:15:14,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:15:14,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331166736] [2024-10-11 20:15:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:15:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:15:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:15:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:17,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:15:17,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331166736] [2024-10-11 20:15:17,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331166736] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:15:17,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133487] [2024-10-11 20:15:17,114 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:15:17,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:15:17,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:15:17,116 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:15:17,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:15:17,272 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2024-10-11 20:15:17,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:15:17,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-11 20:15:17,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:15:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:17,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:15:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:15:22,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133487] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:15:22,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:15:22,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2024-10-11 20:15:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985493965] [2024-10-11 20:15:22,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:15:22,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-10-11 20:15:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:15:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-10-11 20:15:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-10-11 20:15:22,075 INFO L87 Difference]: Start difference. First operand 32346 states and 36684 transitions. Second operand has 128 states, 127 states have (on average 5.929133858267717) internal successors, (753), 128 states have internal predecessors, (753), 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) [2024-10-11 20:15:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:15:36,758 INFO L93 Difference]: Finished difference Result 464157 states and 532451 transitions. [2024-10-11 20:15:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-10-11 20:15:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 5.929133858267717) internal successors, (753), 128 states have internal predecessors, (753), 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 377 [2024-10-11 20:15:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:15:37,641 INFO L225 Difference]: With dead ends: 464157 [2024-10-11 20:15:37,641 INFO L226 Difference]: Without dead ends: 464156 [2024-10-11 20:15:37,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2024-10-11 20:15:37,741 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 1050 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:15:37,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 637 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:15:37,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464156 states.