./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-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:39:36,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:39:36,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 19:39:36,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:39:36,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:39:36,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:39:36,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:39:36,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:39:36,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:39:36,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:39:36,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:39:36,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:39:36,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:39:36,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:39:36,296 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:39:36,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:39:36,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:39:36,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:39:36,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:39:36,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:39:36,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:39:36,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:39:36,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:39:36,301 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:39:36,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:39:36,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:39:36,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:39:36,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:39:36,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:39:36,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:39:36,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:39:36,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:39:36,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:39:36,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:39:36,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:39:36,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:39:36,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:39:36,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:39:36,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:39:36,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:39:36,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:39:36,307 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2024-10-24 19:39:36,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:39:36,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:39:36,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:39:36,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:39:36,595 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:39:36,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-10-24 19:39:37,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:39:38,151 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:39:38,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-10-24 19:39:38,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59873a9e2/9a683c7863b8484ab8e3fc0a1353822f/FLAG3fd6120d8 [2024-10-24 19:39:38,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59873a9e2/9a683c7863b8484ab8e3fc0a1353822f [2024-10-24 19:39:38,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:39:38,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:39:38,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:39:38,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:39:38,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:39:38,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d94fca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38, skipping insertion in model container [2024-10-24 19:39:38,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:39:38,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:39:38,352 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:39:38,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:39:38,376 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:39:38,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38 WrapperNode [2024-10-24 19:39:38,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:39:38,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:39:38,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:39:38,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:39:38,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,400 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-10-24 19:39:38,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:39:38,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:39:38,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:39:38,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:39:38,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,419 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 19:39:38,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:39:38,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:39:38,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:39:38,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:39:38,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (1/1) ... [2024-10-24 19:39:38,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:39:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:38,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:39:38,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:39:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:39:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:39:38,637 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:39:38,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:39:38,727 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 19:39:38,727 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:39:38,740 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:39:38,740 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:39:38,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:39:38 BoogieIcfgContainer [2024-10-24 19:39:38,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:39:38,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:39:38,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:39:38,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:39:38,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:39:38" (1/3) ... [2024-10-24 19:39:38,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe9187e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:39:38, skipping insertion in model container [2024-10-24 19:39:38,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:38" (2/3) ... [2024-10-24 19:39:38,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe9187e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:39:38, skipping insertion in model container [2024-10-24 19:39:38,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:39:38" (3/3) ... [2024-10-24 19:39:38,745 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-10-24 19:39:38,758 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:39:38,758 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 19:39:38,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:39:38,820 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;@2e460528, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:39:38,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-24 19:39:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 28 states have internal predecessors, (35), 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) [2024-10-24 19:39:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 19:39:38,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:38,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 19:39:38,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash 94531, now seen corresponding path program 1 times [2024-10-24 19:39:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460479415] [2024-10-24 19:39:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:38,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:38,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460479415] [2024-10-24 19:39:38,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460479415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:38,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:38,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:38,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757898601] [2024-10-24 19:39:38,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:38,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:39,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,010 INFO L87 Difference]: Start difference. First operand has 29 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,039 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-24 19:39:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:39,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-24 19:39:39,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,047 INFO L225 Difference]: With dead ends: 31 [2024-10-24 19:39:39,047 INFO L226 Difference]: Without dead ends: 26 [2024-10-24 19:39:39,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,053 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 26 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-24 19:39:39,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-24 19:39:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 25 states have internal predecessors, (31), 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) [2024-10-24 19:39:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-10-24 19:39:39,077 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 3 [2024-10-24 19:39:39,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,077 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-10-24 19:39:39,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-10-24 19:39:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 19:39:39,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 19:39:39,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:39:39,080 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2930506, now seen corresponding path program 1 times [2024-10-24 19:39:39,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717566678] [2024-10-24 19:39:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:39,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717566678] [2024-10-24 19:39:39,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717566678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:39,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:39,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:39,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456616213] [2024-10-24 19:39:39,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:39,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:39,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:39,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,117 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,137 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2024-10-24 19:39:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:39,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 19:39:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,139 INFO L225 Difference]: With dead ends: 30 [2024-10-24 19:39:39,139 INFO L226 Difference]: Without dead ends: 29 [2024-10-24 19:39:39,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,140 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-24 19:39:39,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-24 19:39:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 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) [2024-10-24 19:39:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-10-24 19:39:39,148 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 4 [2024-10-24 19:39:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,148 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-10-24 19:39:39,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-10-24 19:39:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 19:39:39,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:39,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:39:39,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1403406088, now seen corresponding path program 1 times [2024-10-24 19:39:39,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454788199] [2024-10-24 19:39:39,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:39,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454788199] [2024-10-24 19:39:39,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454788199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:39,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:39,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961394504] [2024-10-24 19:39:39,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:39,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:39,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,207 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-10-24 19:39:39,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,254 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2024-10-24 19:39:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:39,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2024-10-24 19:39:39,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,259 INFO L225 Difference]: With dead ends: 52 [2024-10-24 19:39:39,259 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 19:39:39,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,260 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 19:39:39,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2024-10-24 19:39:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.7142857142857142) internal successors, (60), 43 states have internal predecessors, (60), 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) [2024-10-24 19:39:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2024-10-24 19:39:39,275 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 7 [2024-10-24 19:39:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,275 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2024-10-24 19:39:39,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-10-24 19:39:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2024-10-24 19:39:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 19:39:39,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,276 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:39,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:39:39,277 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,278 INFO L85 PathProgramCache]: Analyzing trace with hash 555915823, now seen corresponding path program 1 times [2024-10-24 19:39:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868683338] [2024-10-24 19:39:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:39,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868683338] [2024-10-24 19:39:39,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868683338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:39,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:39,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:39,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219746777] [2024-10-24 19:39:39,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:39,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:39,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:39,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,358 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 19:39:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,378 INFO L93 Difference]: Finished difference Result 82 states and 116 transitions. [2024-10-24 19:39:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:39,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-10-24 19:39:39,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,380 INFO L225 Difference]: With dead ends: 82 [2024-10-24 19:39:39,380 INFO L226 Difference]: Without dead ends: 80 [2024-10-24 19:39:39,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,381 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-24 19:39:39,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2024-10-24 19:39:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 66 states have (on average 1.7121212121212122) internal successors, (113), 74 states have internal predecessors, (113), 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) [2024-10-24 19:39:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-10-24 19:39:39,395 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 8 [2024-10-24 19:39:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,395 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-10-24 19:39:39,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-10-24 19:39:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-10-24 19:39:39,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 19:39:39,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,396 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-24 19:39:39,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:39:39,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash 557067742, now seen corresponding path program 1 times [2024-10-24 19:39:39,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38614647] [2024-10-24 19:39:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38614647] [2024-10-24 19:39:39,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38614647] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:39,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681640543] [2024-10-24 19:39:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:39,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:39,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:39:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:39,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681640543] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:39,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:39,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:39,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753849184] [2024-10-24 19:39:39,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:39,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:39,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:39,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:39,588 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-24 19:39:39,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,621 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2024-10-24 19:39:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:39:39,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 [2024-10-24 19:39:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,623 INFO L225 Difference]: With dead ends: 230 [2024-10-24 19:39:39,623 INFO L226 Difference]: Without dead ends: 229 [2024-10-24 19:39:39,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:39,624 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 72 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 127 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-24 19:39:39,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 209. [2024-10-24 19:39:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 200 states have (on average 1.65) internal successors, (330), 208 states have internal predecessors, (330), 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) [2024-10-24 19:39:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 330 transitions. [2024-10-24 19:39:39,644 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 330 transitions. Word has length 8 [2024-10-24 19:39:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,645 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 330 transitions. [2024-10-24 19:39:39,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-24 19:39:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2024-10-24 19:39:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 19:39:39,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:39,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 19:39:39,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:39,850 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,850 INFO L85 PathProgramCache]: Analyzing trace with hash 53713073, now seen corresponding path program 1 times [2024-10-24 19:39:39,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781991766] [2024-10-24 19:39:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781991766] [2024-10-24 19:39:39,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781991766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:39,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:39,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:39,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857265396] [2024-10-24 19:39:39,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:39,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:39,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:39,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,892 INFO L87 Difference]: Start difference. First operand 209 states and 330 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:39,926 INFO L93 Difference]: Finished difference Result 353 states and 554 transitions. [2024-10-24 19:39:39,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:39,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-24 19:39:39,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:39,929 INFO L225 Difference]: With dead ends: 353 [2024-10-24 19:39:39,930 INFO L226 Difference]: Without dead ends: 351 [2024-10-24 19:39:39,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:39,934 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:39,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:39,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-24 19:39:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 338. [2024-10-24 19:39:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 329 states have (on average 1.5623100303951367) internal successors, (514), 337 states have internal predecessors, (514), 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) [2024-10-24 19:39:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 514 transitions. [2024-10-24 19:39:39,974 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 514 transitions. Word has length 9 [2024-10-24 19:39:39,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:39,974 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 514 transitions. [2024-10-24 19:39:39,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:39:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 514 transitions. [2024-10-24 19:39:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 19:39:39,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:39,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:39,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:39:39,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:39,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:39,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1665105336, now seen corresponding path program 1 times [2024-10-24 19:39:39,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:39,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352445095] [2024-10-24 19:39:39,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352445095] [2024-10-24 19:39:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352445095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:39:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:39:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:39:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930242519] [2024-10-24 19:39:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:39:40,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:39:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:39:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:40,009 INFO L87 Difference]: Start difference. First operand 338 states and 514 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-24 19:39:40,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:40,033 INFO L93 Difference]: Finished difference Result 564 states and 855 transitions. [2024-10-24 19:39:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:39:40,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-24 19:39:40,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:40,036 INFO L225 Difference]: With dead ends: 564 [2024-10-24 19:39:40,036 INFO L226 Difference]: Without dead ends: 562 [2024-10-24 19:39:40,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:39:40,040 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:40,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:40,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-10-24 19:39:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 557. [2024-10-24 19:39:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 548 states have (on average 1.5018248175182483) internal successors, (823), 556 states have internal predecessors, (823), 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) [2024-10-24 19:39:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 823 transitions. [2024-10-24 19:39:40,067 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 823 transitions. Word has length 10 [2024-10-24 19:39:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:40,067 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 823 transitions. [2024-10-24 19:39:40,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-24 19:39:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 823 transitions. [2024-10-24 19:39:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:39:40,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:40,068 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-24 19:39:40,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:39:40,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:40,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash 12844193, now seen corresponding path program 1 times [2024-10-24 19:39:40,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:40,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498792754] [2024-10-24 19:39:40,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:40,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498792754] [2024-10-24 19:39:40,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498792754] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:40,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979434647] [2024-10-24 19:39:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:40,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:40,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:40,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:39:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:40,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:40,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979434647] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:40,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:40,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:40,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067516193] [2024-10-24 19:39:40,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:40,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:40,229 INFO L87 Difference]: Start difference. First operand 557 states and 823 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-24 19:39:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:40,321 INFO L93 Difference]: Finished difference Result 1057 states and 1610 transitions. [2024-10-24 19:39:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:39:40,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 19:39:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:40,325 INFO L225 Difference]: With dead ends: 1057 [2024-10-24 19:39:40,325 INFO L226 Difference]: Without dead ends: 1055 [2024-10-24 19:39:40,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:40,330 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 126 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:40,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 112 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:39:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-24 19:39:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 915. [2024-10-24 19:39:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 906 states have (on average 1.520971302428256) internal successors, (1378), 914 states have internal predecessors, (1378), 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) [2024-10-24 19:39:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1378 transitions. [2024-10-24 19:39:40,388 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1378 transitions. Word has length 15 [2024-10-24 19:39:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:40,389 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1378 transitions. [2024-10-24 19:39:40,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-24 19:39:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1378 transitions. [2024-10-24 19:39:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:39:40,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:40,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:40,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:39:40,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-24 19:39:40,591 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:40,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1554772082, now seen corresponding path program 1 times [2024-10-24 19:39:40,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:40,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977099352] [2024-10-24 19:39:40,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:40,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:40,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977099352] [2024-10-24 19:39:40,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977099352] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:40,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461269971] [2024-10-24 19:39:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:40,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:40,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:40,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:40,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:39:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:40,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:40,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:40,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461269971] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:40,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:40,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:40,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614537105] [2024-10-24 19:39:40,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:40,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:40,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:40,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:40,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:40,766 INFO L87 Difference]: Start difference. First operand 915 states and 1378 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-24 19:39:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:40,832 INFO L93 Difference]: Finished difference Result 1570 states and 2431 transitions. [2024-10-24 19:39:40,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:39:40,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 19:39:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:40,838 INFO L225 Difference]: With dead ends: 1570 [2024-10-24 19:39:40,838 INFO L226 Difference]: Without dead ends: 1568 [2024-10-24 19:39:40,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:40,840 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 136 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:40,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-10-24 19:39:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1076. [2024-10-24 19:39:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1068 states have (on average 1.506554307116105) internal successors, (1609), 1075 states have internal predecessors, (1609), 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) [2024-10-24 19:39:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1609 transitions. [2024-10-24 19:39:40,874 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1609 transitions. Word has length 15 [2024-10-24 19:39:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:40,874 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1609 transitions. [2024-10-24 19:39:40,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-24 19:39:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1609 transitions. [2024-10-24 19:39:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:39:40,875 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:40,875 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-24 19:39:40,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 19:39:41,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:41,076 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:41,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:41,077 INFO L85 PathProgramCache]: Analyzing trace with hash 403837505, now seen corresponding path program 1 times [2024-10-24 19:39:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:41,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430030153] [2024-10-24 19:39:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:41,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:41,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430030153] [2024-10-24 19:39:41,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430030153] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:41,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621153] [2024-10-24 19:39:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:41,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:41,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:41,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:41,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:39:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:41,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:41,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621153] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:41,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:41,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:41,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845446538] [2024-10-24 19:39:41,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:41,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:41,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:41,259 INFO L87 Difference]: Start difference. First operand 1076 states and 1609 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-24 19:39:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:41,323 INFO L93 Difference]: Finished difference Result 2448 states and 3821 transitions. [2024-10-24 19:39:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:39:41,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 19 [2024-10-24 19:39:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:41,330 INFO L225 Difference]: With dead ends: 2448 [2024-10-24 19:39:41,330 INFO L226 Difference]: Without dead ends: 2446 [2024-10-24 19:39:41,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:41,331 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 75 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:41,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 107 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-10-24 19:39:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2127. [2024-10-24 19:39:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2119 states have (on average 1.5181689476168003) internal successors, (3217), 2126 states have internal predecessors, (3217), 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) [2024-10-24 19:39:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 3217 transitions. [2024-10-24 19:39:41,376 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 3217 transitions. Word has length 19 [2024-10-24 19:39:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:41,376 INFO L471 AbstractCegarLoop]: Abstraction has 2127 states and 3217 transitions. [2024-10-24 19:39:41,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-24 19:39:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 3217 transitions. [2024-10-24 19:39:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 19:39:41,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:41,378 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:39:41,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:39:41,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:41,579 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:41,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2042338236, now seen corresponding path program 1 times [2024-10-24 19:39:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:41,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798048601] [2024-10-24 19:39:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:41,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798048601] [2024-10-24 19:39:41,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798048601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:41,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552995293] [2024-10-24 19:39:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:41,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:41,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:41,619 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:41,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:39:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:41,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:41,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552995293] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:41,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609576873] [2024-10-24 19:39:41,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:41,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:41,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:41,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:41,703 INFO L87 Difference]: Start difference. First operand 2127 states and 3217 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-24 19:39:41,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:41,791 INFO L93 Difference]: Finished difference Result 4024 states and 6271 transitions. [2024-10-24 19:39:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:39:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 19 [2024-10-24 19:39:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:41,801 INFO L225 Difference]: With dead ends: 4024 [2024-10-24 19:39:41,801 INFO L226 Difference]: Without dead ends: 4022 [2024-10-24 19:39:41,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:41,803 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 59 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:41,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 84 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2024-10-24 19:39:41,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 2621. [2024-10-24 19:39:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 2614 states have (on average 1.494644223412395) internal successors, (3907), 2620 states have internal predecessors, (3907), 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) [2024-10-24 19:39:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3907 transitions. [2024-10-24 19:39:41,864 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3907 transitions. Word has length 19 [2024-10-24 19:39:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:41,865 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3907 transitions. [2024-10-24 19:39:41,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-24 19:39:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3907 transitions. [2024-10-24 19:39:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 19:39:41,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:41,865 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1] [2024-10-24 19:39:41,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 19:39:42,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 19:39:42,066 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:42,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:42,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1908282778, now seen corresponding path program 2 times [2024-10-24 19:39:42,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:42,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100410035] [2024-10-24 19:39:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 19:39:42,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:42,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100410035] [2024-10-24 19:39:42,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100410035] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:42,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211687793] [2024-10-24 19:39:42,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:39:42,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:42,094 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:42,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:39:42,139 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 19:39:42,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:39:42,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:39:42,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 19:39:42,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 19:39:42,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211687793] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:42,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:42,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-24 19:39:42,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562811783] [2024-10-24 19:39:42,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:42,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:39:42,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:39:42,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:39:42,199 INFO L87 Difference]: Start difference. First operand 2621 states and 3907 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-24 19:39:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:42,245 INFO L93 Difference]: Finished difference Result 2621 states and 3907 transitions. [2024-10-24 19:39:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:39:42,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 20 [2024-10-24 19:39:42,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:42,252 INFO L225 Difference]: With dead ends: 2621 [2024-10-24 19:39:42,252 INFO L226 Difference]: Without dead ends: 2620 [2024-10-24 19:39:42,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:39:42,254 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 70 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:42,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 48 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:42,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2024-10-24 19:39:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2269. [2024-10-24 19:39:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 2263 states have (on average 1.453822359699514) internal successors, (3290), 2268 states have internal predecessors, (3290), 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) [2024-10-24 19:39:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3290 transitions. [2024-10-24 19:39:42,303 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3290 transitions. Word has length 20 [2024-10-24 19:39:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:42,305 INFO L471 AbstractCegarLoop]: Abstraction has 2269 states and 3290 transitions. [2024-10-24 19:39:42,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-24 19:39:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3290 transitions. [2024-10-24 19:39:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 19:39:42,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:42,306 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1] [2024-10-24 19:39:42,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:39:42,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:42,511 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:42,511 INFO L85 PathProgramCache]: Analyzing trace with hash 662930241, now seen corresponding path program 1 times [2024-10-24 19:39:42,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:42,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180509088] [2024-10-24 19:39:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:42,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180509088] [2024-10-24 19:39:42,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180509088] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:42,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597155888] [2024-10-24 19:39:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:42,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:42,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:42,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:39:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:42,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:39:42,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:42,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:42,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597155888] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:42,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:42,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:39:42,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164581096] [2024-10-24 19:39:42,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:42,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:39:42,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:42,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:39:42,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:39:42,665 INFO L87 Difference]: Start difference. First operand 2269 states and 3290 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-10-24 19:39:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:42,789 INFO L93 Difference]: Finished difference Result 6564 states and 9599 transitions. [2024-10-24 19:39:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:39:42,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 24 [2024-10-24 19:39:42,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:42,806 INFO L225 Difference]: With dead ends: 6564 [2024-10-24 19:39:42,806 INFO L226 Difference]: Without dead ends: 6563 [2024-10-24 19:39:42,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:39:42,810 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 152 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:42,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 141 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2024-10-24 19:39:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 5369. [2024-10-24 19:39:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5369 states, 5363 states have (on average 1.4501212008204363) internal successors, (7777), 5368 states have internal predecessors, (7777), 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) [2024-10-24 19:39:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7777 transitions. [2024-10-24 19:39:43,022 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7777 transitions. Word has length 24 [2024-10-24 19:39:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:43,022 INFO L471 AbstractCegarLoop]: Abstraction has 5369 states and 7777 transitions. [2024-10-24 19:39:43,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-10-24 19:39:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7777 transitions. [2024-10-24 19:39:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 19:39:43,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:43,023 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1] [2024-10-24 19:39:43,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 19:39:43,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:43,224 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:43,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2119992952, now seen corresponding path program 1 times [2024-10-24 19:39:43,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:43,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113960669] [2024-10-24 19:39:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:43,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:43,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113960669] [2024-10-24 19:39:43,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113960669] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:43,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526728691] [2024-10-24 19:39:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:43,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:43,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:43,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:43,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:39:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:43,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:39:43,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:43,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:43,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526728691] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:43,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:43,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 19:39:43,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259672373] [2024-10-24 19:39:43,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:43,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:39:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:43,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:39:43,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:39:43,369 INFO L87 Difference]: Start difference. First operand 5369 states and 7777 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-24 19:39:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:43,640 INFO L93 Difference]: Finished difference Result 15528 states and 22703 transitions. [2024-10-24 19:39:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:39:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 [2024-10-24 19:39:43,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:43,678 INFO L225 Difference]: With dead ends: 15528 [2024-10-24 19:39:43,678 INFO L226 Difference]: Without dead ends: 15527 [2024-10-24 19:39:43,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:39:43,684 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 132 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:43,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 141 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:39:43,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2024-10-24 19:39:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 12717. [2024-10-24 19:39:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12717 states, 12711 states have (on average 1.4463063488317205) internal successors, (18384), 12716 states have internal predecessors, (18384), 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) [2024-10-24 19:39:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12717 states to 12717 states and 18384 transitions. [2024-10-24 19:39:44,160 INFO L78 Accepts]: Start accepts. Automaton has 12717 states and 18384 transitions. Word has length 30 [2024-10-24 19:39:44,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:44,160 INFO L471 AbstractCegarLoop]: Abstraction has 12717 states and 18384 transitions. [2024-10-24 19:39:44,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-24 19:39:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12717 states and 18384 transitions. [2024-10-24 19:39:44,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 19:39:44,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:44,161 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1] [2024-10-24 19:39:44,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:39:44,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 19:39:44,363 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:44,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1538687407, now seen corresponding path program 2 times [2024-10-24 19:39:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:44,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207474039] [2024-10-24 19:39:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:44,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:44,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207474039] [2024-10-24 19:39:44,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207474039] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:44,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086342618] [2024-10-24 19:39:44,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:39:44,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:44,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:44,438 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:44,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:39:44,475 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:39:44,475 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:39:44,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:39:44,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:44,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:44,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086342618] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:44,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:44,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 19:39:44,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991050341] [2024-10-24 19:39:44,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:44,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:39:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:44,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:39:44,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:39:44,603 INFO L87 Difference]: Start difference. First operand 12717 states and 18384 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) [2024-10-24 19:39:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:45,589 INFO L93 Difference]: Finished difference Result 43374 states and 64063 transitions. [2024-10-24 19:39:45,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:39:45,590 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 36 [2024-10-24 19:39:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:45,710 INFO L225 Difference]: With dead ends: 43374 [2024-10-24 19:39:45,710 INFO L226 Difference]: Without dead ends: 43372 [2024-10-24 19:39:45,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:39:45,727 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 304 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:45,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 222 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:39:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43372 states. [2024-10-24 19:39:46,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43372 to 27313. [2024-10-24 19:39:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27313 states, 27307 states have (on average 1.4249826051928076) internal successors, (38912), 27312 states have internal predecessors, (38912), 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) [2024-10-24 19:39:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27313 states to 27313 states and 38912 transitions. [2024-10-24 19:39:46,671 INFO L78 Accepts]: Start accepts. Automaton has 27313 states and 38912 transitions. Word has length 36 [2024-10-24 19:39:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:46,672 INFO L471 AbstractCegarLoop]: Abstraction has 27313 states and 38912 transitions. [2024-10-24 19:39:46,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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) [2024-10-24 19:39:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27313 states and 38912 transitions. [2024-10-24 19:39:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-24 19:39:46,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:46,674 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1] [2024-10-24 19:39:46,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 19:39:46,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 19:39:46,878 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:46,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:46,879 INFO L85 PathProgramCache]: Analyzing trace with hash -448443912, now seen corresponding path program 2 times [2024-10-24 19:39:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:46,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280584020] [2024-10-24 19:39:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:46,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:46,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280584020] [2024-10-24 19:39:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280584020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353647447] [2024-10-24 19:39:46,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:39:46,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:46,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:46,939 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:46,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:39:46,975 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:39:46,975 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:39:46,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 19:39:46,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:47,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353647447] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:47,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:47,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 19:39:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220245325] [2024-10-24 19:39:47,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:47,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:39:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:39:47,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:39:47,113 INFO L87 Difference]: Start difference. First operand 27313 states and 38912 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 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) [2024-10-24 19:39:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:48,848 INFO L93 Difference]: Finished difference Result 93040 states and 135517 transitions. [2024-10-24 19:39:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:39:48,849 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 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 46 [2024-10-24 19:39:48,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:49,066 INFO L225 Difference]: With dead ends: 93040 [2024-10-24 19:39:49,066 INFO L226 Difference]: Without dead ends: 93038 [2024-10-24 19:39:49,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:39:49,105 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:49,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 222 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:39:49,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93038 states. [2024-10-24 19:39:51,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93038 to 58637. [2024-10-24 19:39:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58637 states, 58631 states have (on average 1.4046494175436202) internal successors, (82356), 58636 states have internal predecessors, (82356), 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) [2024-10-24 19:39:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58637 states to 58637 states and 82356 transitions. [2024-10-24 19:39:51,441 INFO L78 Accepts]: Start accepts. Automaton has 58637 states and 82356 transitions. Word has length 46 [2024-10-24 19:39:51,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:39:51,442 INFO L471 AbstractCegarLoop]: Abstraction has 58637 states and 82356 transitions. [2024-10-24 19:39:51,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 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) [2024-10-24 19:39:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 58637 states and 82356 transitions. [2024-10-24 19:39:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 19:39:51,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:39:51,445 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 1, 1] [2024-10-24 19:39:51,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 19:39:51,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 19:39:51,646 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:39:51,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:39:51,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2112708967, now seen corresponding path program 2 times [2024-10-24 19:39:51,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:39:51,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139651811] [2024-10-24 19:39:51,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:39:51,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:39:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:39:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:51,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:39:51,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139651811] [2024-10-24 19:39:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139651811] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:39:51,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367469830] [2024-10-24 19:39:51,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:39:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:39:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:39:51,772 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:39:51,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:39:51,812 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:39:51,813 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:39:51,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:39:51,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:39:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:51,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:39:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:39:52,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367469830] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:39:52,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:39:52,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-24 19:39:52,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800016377] [2024-10-24 19:39:52,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:39:52,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 19:39:52,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:39:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 19:39:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:39:52,042 INFO L87 Difference]: Start difference. First operand 58637 states and 82356 transitions. Second operand has 16 states, 15 states have (on average 7.466666666666667) internal successors, (112), 15 states have internal predecessors, (112), 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) [2024-10-24 19:39:56,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:39:56,108 INFO L93 Difference]: Finished difference Result 206447 states and 292608 transitions. [2024-10-24 19:39:56,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 19:39:56,109 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.466666666666667) internal successors, (112), 15 states have internal predecessors, (112), 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 56 [2024-10-24 19:39:56,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:39:56,537 INFO L225 Difference]: With dead ends: 206447 [2024-10-24 19:39:56,538 INFO L226 Difference]: Without dead ends: 206446 [2024-10-24 19:39:56,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:39:56,621 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 467 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:39:56,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 301 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:39:56,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206446 states. [2024-10-24 19:40:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206446 to 114947. [2024-10-24 19:40:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114947 states, 114941 states have (on average 1.395550760825119) internal successors, (160406), 114946 states have internal predecessors, (160406), 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) [2024-10-24 19:40:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114947 states to 114947 states and 160406 transitions. [2024-10-24 19:40:01,156 INFO L78 Accepts]: Start accepts. Automaton has 114947 states and 160406 transitions. Word has length 56 [2024-10-24 19:40:01,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:40:01,156 INFO L471 AbstractCegarLoop]: Abstraction has 114947 states and 160406 transitions. [2024-10-24 19:40:01,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.466666666666667) internal successors, (112), 15 states have internal predecessors, (112), 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) [2024-10-24 19:40:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 114947 states and 160406 transitions. [2024-10-24 19:40:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 19:40:01,163 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:40:01,163 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1] [2024-10-24 19:40:01,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 19:40:01,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 19:40:01,364 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:40:01,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:40:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1749308972, now seen corresponding path program 2 times [2024-10-24 19:40:01,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:40:01,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139742932] [2024-10-24 19:40:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:40:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:40:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:40:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:40:01,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:40:01,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139742932] [2024-10-24 19:40:01,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139742932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:40:01,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865455986] [2024-10-24 19:40:01,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:40:01,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:40:01,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:40:01,446 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:40:01,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:40:01,479 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:40:01,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:40:01,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:40:01,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:40:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:40:01,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:40:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:40:01,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865455986] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:40:01,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:40:01,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-24 19:40:01,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433864478] [2024-10-24 19:40:01,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:40:01,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 19:40:01,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:40:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 19:40:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:40:01,670 INFO L87 Difference]: Start difference. First operand 114947 states and 160406 transitions. Second operand has 16 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 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) [2024-10-24 19:40:09,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:40:09,744 INFO L93 Difference]: Finished difference Result 404447 states and 569640 transitions. [2024-10-24 19:40:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 19:40:09,745 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 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 70 [2024-10-24 19:40:09,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:40:10,613 INFO L225 Difference]: With dead ends: 404447 [2024-10-24 19:40:10,614 INFO L226 Difference]: Without dead ends: 404446 [2024-10-24 19:40:10,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:40:10,696 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 353 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:40:10,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 301 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:40:11,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404446 states. [2024-10-24 19:40:20,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404446 to 225257. [2024-10-24 19:40:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225257 states, 225251 states have (on average 1.38679073566821) internal successors, (312376), 225256 states have internal predecessors, (312376), 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) [2024-10-24 19:40:20,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225257 states to 225257 states and 312376 transitions. [2024-10-24 19:40:20,961 INFO L78 Accepts]: Start accepts. Automaton has 225257 states and 312376 transitions. Word has length 70 [2024-10-24 19:40:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:40:20,962 INFO L471 AbstractCegarLoop]: Abstraction has 225257 states and 312376 transitions. [2024-10-24 19:40:20,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 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) [2024-10-24 19:40:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 225257 states and 312376 transitions. [2024-10-24 19:40:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 19:40:20,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:40:20,973 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1] [2024-10-24 19:40:21,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 19:40:21,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 19:40:21,177 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:40:21,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:40:21,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1780898577, now seen corresponding path program 3 times [2024-10-24 19:40:21,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:40:21,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333846609] [2024-10-24 19:40:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:40:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:40:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:40:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:40:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:40:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333846609] [2024-10-24 19:40:21,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333846609] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:40:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644082893] [2024-10-24 19:40:21,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:40:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:40:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:40:21,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:40:21,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:40:21,429 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-24 19:40:21,430 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:40:21,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 19:40:21,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:40:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:40:21,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:40:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644082893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:40:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:40:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 23 [2024-10-24 19:40:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268714273] [2024-10-24 19:40:21,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:40:21,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 19:40:21,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:40:21,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 19:40:21,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:40:21,856 INFO L87 Difference]: Start difference. First operand 225257 states and 312376 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 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) [2024-10-24 19:40:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:40:24,251 INFO L93 Difference]: Finished difference Result 243571 states and 336990 transitions. [2024-10-24 19:40:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 19:40:24,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 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 78 [2024-10-24 19:40:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:40:24,268 INFO L225 Difference]: With dead ends: 243571 [2024-10-24 19:40:24,268 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:40:24,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:40:24,414 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 140 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:40:24,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 522 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:40:24,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:40:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:40:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:40:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:40:24,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2024-10-24 19:40:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:40:24,427 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:40:24,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 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) [2024-10-24 19:40:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:40:24,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-24 19:40:24,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-24 19:40:24,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-24 19:40:24,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-24 19:40:24,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-24 19:40:24,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 19:40:24,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:40:24,634 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:40:24,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.