./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:01:18,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:01:18,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:01:18,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:01:18,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:01:18,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:01:18,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:01:18,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:01:18,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:01:18,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:01:18,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:01:18,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:01:18,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:01:18,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:01:18,491 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:01:18,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:01:18,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:01:18,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:01:18,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:01:18,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:01:18,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:01:18,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:01:18,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:01:18,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:01:18,497 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:01:18,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:01:18,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:01:18,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:01:18,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:01:18,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:01:18,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:01:18,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:01:18,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:01:18,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:01:18,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:01:18,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:01:18,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:01:18,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:01:18,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:01:18,502 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 [2024-10-11 21:01:18,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:01:18,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:01:18,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:01:18,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:01:18,712 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:01:18,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2024-10-11 21:01:19,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:01:20,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:01:20,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2024-10-11 21:01:20,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d2df5ef7d/692ed68a131945028e2a7149d27b830a/FLAG18f814200 [2024-10-11 21:01:20,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d2df5ef7d/692ed68a131945028e2a7149d27b830a [2024-10-11 21:01:20,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:01:20,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:01:20,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:01:20,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:01:20,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:01:20,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4139b58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20, skipping insertion in model container [2024-10-11 21:01:20,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:01:20,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:01:20,638 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:01:20,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:01:20,675 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:01:20,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20 WrapperNode [2024-10-11 21:01:20,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:01:20,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:01:20,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:01:20,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:01:20,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,705 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2024-10-11 21:01:20,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:01:20,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:01:20,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:01:20,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:01:20,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,727 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 21:01:20,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:01:20,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:01:20,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:01:20,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:01:20,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (1/1) ... [2024-10-11 21:01:20,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:01:20,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:20,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:01:20,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:01:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:01:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:01:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:01:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:01:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 21:01:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 21:01:20,866 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:01:20,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:01:21,259 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-10-11 21:01:21,260 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:01:21,281 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:01:21,281 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 21:01:21,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:01:21 BoogieIcfgContainer [2024-10-11 21:01:21,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:01:21,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:01:21,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:01:21,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:01:21,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:01:20" (1/3) ... [2024-10-11 21:01:21,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19875edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:01:21, skipping insertion in model container [2024-10-11 21:01:21,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:01:20" (2/3) ... [2024-10-11 21:01:21,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19875edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:01:21, skipping insertion in model container [2024-10-11 21:01:21,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:01:21" (3/3) ... [2024-10-11 21:01:21,290 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound50.c [2024-10-11 21:01:21,301 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:01:21,302 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-11 21:01:21,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:01:21,367 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;@eebc9d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:01:21,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-10-11 21:01:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 57 states have (on average 1.912280701754386) internal successors, (109), 101 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 21:01:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:01:21,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:21,379 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:01:21,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:21,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:21,385 INFO L85 PathProgramCache]: Analyzing trace with hash 175630532, now seen corresponding path program 1 times [2024-10-11 21:01:21,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:21,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576898973] [2024-10-11 21:01:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:21,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:21,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576898973] [2024-10-11 21:01:21,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576898973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:21,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:21,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:01:21,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561242102] [2024-10-11 21:01:21,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:21,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 21:01:21,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:21,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 21:01:21,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:01:21,529 INFO L87 Difference]: Start difference. First operand has 106 states, 57 states have (on average 1.912280701754386) internal successors, (109), 101 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:21,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:21,574 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2024-10-11 21:01:21,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 21:01:21,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:01:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:21,581 INFO L225 Difference]: With dead ends: 210 [2024-10-11 21:01:21,582 INFO L226 Difference]: Without dead ends: 103 [2024-10-11 21:01:21,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:01:21,586 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:21,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:01:21,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-11 21:01:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-11 21:01:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.8571428571428572) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-10-11 21:01:21,632 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 5 [2024-10-11 21:01:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:21,632 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-10-11 21:01:21,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-10-11 21:01:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 21:01:21,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:21,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 21:01:21,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:01:21,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:21,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:21,634 INFO L85 PathProgramCache]: Analyzing trace with hash 175686625, now seen corresponding path program 1 times [2024-10-11 21:01:21,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:21,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029963494] [2024-10-11 21:01:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:21,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:21,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029963494] [2024-10-11 21:01:21,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029963494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:21,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:21,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:01:21,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872510993] [2024-10-11 21:01:21,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:21,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:21,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:21,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:21,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:21,707 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:21,760 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2024-10-11 21:01:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:01:21,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 21:01:21,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:21,761 INFO L225 Difference]: With dead ends: 122 [2024-10-11 21:01:21,762 INFO L226 Difference]: Without dead ends: 107 [2024-10-11 21:01:21,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:21,763 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 4 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:21,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 305 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:01:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-11 21:01:21,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-11 21:01:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.8) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-10-11 21:01:21,770 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 5 [2024-10-11 21:01:21,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:21,770 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-10-11 21:01:21,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:21,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-10-11 21:01:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 21:01:21,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:21,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:21,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:01:21,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:21,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1684840623, now seen corresponding path program 1 times [2024-10-11 21:01:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:21,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577278088] [2024-10-11 21:01:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:21,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234590500] [2024-10-11 21:01:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:21,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:21,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:21,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:01:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:21,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:01:21,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:21,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:21,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:21,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:21,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577278088] [2024-10-11 21:01:21,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:21,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234590500] [2024-10-11 21:01:21,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234590500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:21,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:21,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:21,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714498011] [2024-10-11 21:01:21,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:21,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:21,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:21,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:21,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:21,968 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:22,327 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-10-11 21:01:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:01:22,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 21:01:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:22,328 INFO L225 Difference]: With dead ends: 146 [2024-10-11 21:01:22,330 INFO L226 Difference]: Without dead ends: 135 [2024-10-11 21:01:22,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:22,332 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:22,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 152 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-11 21:01:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-10-11 21:01:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 21:01:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2024-10-11 21:01:22,346 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 8 [2024-10-11 21:01:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:22,348 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2024-10-11 21:01:22,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-10-11 21:01:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 21:01:22,348 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:22,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:22,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:01:22,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:22,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:22,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:22,551 INFO L85 PathProgramCache]: Analyzing trace with hash -690451704, now seen corresponding path program 1 times [2024-10-11 21:01:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445389722] [2024-10-11 21:01:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:22,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794754849] [2024-10-11 21:01:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:22,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:22,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:22,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:22,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:01:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:22,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:01:22,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:22,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:22,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445389722] [2024-10-11 21:01:22,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:22,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794754849] [2024-10-11 21:01:22,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794754849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:22,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:22,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:22,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569215134] [2024-10-11 21:01:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:22,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:22,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:22,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:22,691 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:22,968 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2024-10-11 21:01:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:01:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-11 21:01:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:22,970 INFO L225 Difference]: With dead ends: 181 [2024-10-11 21:01:22,970 INFO L226 Difference]: Without dead ends: 163 [2024-10-11 21:01:22,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:22,971 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:22,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 135 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-11 21:01:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-10-11 21:01:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6363636363636365) internal successors, (180), 149 states have internal predecessors, (180), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:01:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2024-10-11 21:01:22,986 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 9 [2024-10-11 21:01:22,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:22,986 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2024-10-11 21:01:22,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-10-11 21:01:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 21:01:22,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:22,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:23,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:01:23,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:23,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:23,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 70833715, now seen corresponding path program 1 times [2024-10-11 21:01:23,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:23,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099065417] [2024-10-11 21:01:23,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:23,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984817537] [2024-10-11 21:01:23,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:23,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:23,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:23,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:23,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:01:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:23,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:01:23,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:23,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:23,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:23,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099065417] [2024-10-11 21:01:23,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:23,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984817537] [2024-10-11 21:01:23,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984817537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:23,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:23,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:23,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123382021] [2024-10-11 21:01:23,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:23,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:23,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:23,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:23,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:23,351 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2024-10-11 21:01:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:23,612 INFO L93 Difference]: Finished difference Result 164 states and 197 transitions. [2024-10-11 21:01:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:01:23,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 [2024-10-11 21:01:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:23,613 INFO L225 Difference]: With dead ends: 164 [2024-10-11 21:01:23,613 INFO L226 Difference]: Without dead ends: 163 [2024-10-11 21:01:23,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:23,614 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 145 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:23,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 159 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:01:23,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-11 21:01:23,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-10-11 21:01:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6272727272727272) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:01:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-10-11 21:01:23,621 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2024-10-11 21:01:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:23,621 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-10-11 21:01:23,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2024-10-11 21:01:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-10-11 21:01:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 21:01:23,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:23,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:23,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:01:23,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:23,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:23,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2099122070, now seen corresponding path program 1 times [2024-10-11 21:01:23,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:23,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603730924] [2024-10-11 21:01:23,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:23,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:23,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529338243] [2024-10-11 21:01:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:23,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:23,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:23,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:01:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:23,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:01:23,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:23,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:23,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603730924] [2024-10-11 21:01:23,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529338243] [2024-10-11 21:01:23,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529338243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:23,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:23,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:23,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242151822] [2024-10-11 21:01:23,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:23,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:23,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:23,963 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:24,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:24,183 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2024-10-11 21:01:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:01:24,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 21:01:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:24,185 INFO L225 Difference]: With dead ends: 161 [2024-10-11 21:01:24,185 INFO L226 Difference]: Without dead ends: 158 [2024-10-11 21:01:24,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:24,187 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 163 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:24,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 153 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:01:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-11 21:01:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-10-11 21:01:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.5909090909090908) internal successors, (175), 149 states have internal predecessors, (175), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 21:01:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2024-10-11 21:01:24,198 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 11 [2024-10-11 21:01:24,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:24,198 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2024-10-11 21:01:24,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2024-10-11 21:01:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 21:01:24,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:24,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:24,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 21:01:24,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-11 21:01:24,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:24,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash -648274667, now seen corresponding path program 1 times [2024-10-11 21:01:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:24,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814720088] [2024-10-11 21:01:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:24,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:24,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814720088] [2024-10-11 21:01:24,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814720088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:24,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:24,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:24,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650916797] [2024-10-11 21:01:24,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:24,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:24,478 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:25,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:25,734 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2024-10-11 21:01:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:25,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-11 21:01:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:25,735 INFO L225 Difference]: With dead ends: 259 [2024-10-11 21:01:25,735 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 21:01:25,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:25,736 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 76 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:25,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 184 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 21:01:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 21:01:25,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2024-10-11 21:01:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.6015037593984962) internal successors, (213), 172 states have internal predecessors, (213), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:01:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2024-10-11 21:01:25,751 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 12 [2024-10-11 21:01:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:25,751 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2024-10-11 21:01:25,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2024-10-11 21:01:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 21:01:25,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:25,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:25,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:01:25,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:25,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1378321868, now seen corresponding path program 1 times [2024-10-11 21:01:25,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:25,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961772368] [2024-10-11 21:01:25,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:25,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:25,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:25,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961772368] [2024-10-11 21:01:25,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961772368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:25,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:25,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:25,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808343026] [2024-10-11 21:01:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:25,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:25,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:25,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:25,845 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:27,449 INFO L93 Difference]: Finished difference Result 259 states and 303 transitions. [2024-10-11 21:01:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:27,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 21:01:27,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:27,451 INFO L225 Difference]: With dead ends: 259 [2024-10-11 21:01:27,451 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 21:01:27,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:27,452 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:27,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 176 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 21:01:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 21:01:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2024-10-11 21:01:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.586466165413534) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:01:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-10-11 21:01:27,458 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2024-10-11 21:01:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:27,458 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-10-11 21:01:27,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:01:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-10-11 21:01:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 21:01:27,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:27,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:27,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 21:01:27,460 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:27,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:27,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1153187873, now seen corresponding path program 1 times [2024-10-11 21:01:27,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:27,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925281848] [2024-10-11 21:01:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:27,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:27,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925281848] [2024-10-11 21:01:27,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925281848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:27,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:27,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:01:27,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863314584] [2024-10-11 21:01:27,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:27,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:01:27,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:27,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:01:27,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:01:27,534 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:27,628 INFO L93 Difference]: Finished difference Result 258 states and 325 transitions. [2024-10-11 21:01:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:01:27,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-10-11 21:01:27,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:27,630 INFO L225 Difference]: With dead ends: 258 [2024-10-11 21:01:27,630 INFO L226 Difference]: Without dead ends: 256 [2024-10-11 21:01:27,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:01:27,631 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 57 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:27,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 150 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:01:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-11 21:01:27,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2024-10-11 21:01:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.6574585635359116) internal successors, (300), 220 states have internal predecessors, (300), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 21:01:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2024-10-11 21:01:27,640 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 27 [2024-10-11 21:01:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:27,641 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2024-10-11 21:01:27,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2024-10-11 21:01:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 21:01:27,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:27,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:27,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 21:01:27,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:27,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:27,642 INFO L85 PathProgramCache]: Analyzing trace with hash -724674130, now seen corresponding path program 1 times [2024-10-11 21:01:27,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:27,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991531095] [2024-10-11 21:01:27,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:27,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25499554] [2024-10-11 21:01:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:27,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:27,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:27,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:27,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:01:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:27,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:27,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:27,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:27,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:27,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991531095] [2024-10-11 21:01:27,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:27,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25499554] [2024-10-11 21:01:27,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25499554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:27,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:27,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:27,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6153809] [2024-10-11 21:01:27,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:27,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:27,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:27,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:27,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:27,782 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:28,110 INFO L93 Difference]: Finished difference Result 281 states and 386 transitions. [2024-10-11 21:01:28,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:28,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-10-11 21:01:28,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:28,112 INFO L225 Difference]: With dead ends: 281 [2024-10-11 21:01:28,112 INFO L226 Difference]: Without dead ends: 277 [2024-10-11 21:01:28,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:28,113 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 165 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:28,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 105 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:28,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-11 21:01:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2024-10-11 21:01:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 208 states have (on average 1.6586538461538463) internal successors, (345), 247 states have internal predecessors, (345), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 361 transitions. [2024-10-11 21:01:28,122 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 361 transitions. Word has length 27 [2024-10-11 21:01:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:28,122 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 361 transitions. [2024-10-11 21:01:28,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 361 transitions. [2024-10-11 21:01:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:01:28,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:28,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:28,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:01:28,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 21:01:28,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:28,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1405184119, now seen corresponding path program 1 times [2024-10-11 21:01:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876180669] [2024-10-11 21:01:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:28,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:28,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876180669] [2024-10-11 21:01:28,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876180669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:28,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170960999] [2024-10-11 21:01:28,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:28,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:28,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:28,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:28,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:28,399 INFO L87 Difference]: Start difference. First operand 257 states and 361 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:28,848 INFO L93 Difference]: Finished difference Result 341 states and 453 transitions. [2024-10-11 21:01:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:28,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-11 21:01:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:28,850 INFO L225 Difference]: With dead ends: 341 [2024-10-11 21:01:28,850 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 21:01:28,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:28,851 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 64 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:28,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 225 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:01:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 21:01:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 267. [2024-10-11 21:01:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.651376146788991) internal successors, (360), 257 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 376 transitions. [2024-10-11 21:01:28,857 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 376 transitions. Word has length 28 [2024-10-11 21:01:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:28,858 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 376 transitions. [2024-10-11 21:01:28,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 376 transitions. [2024-10-11 21:01:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:01:28,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:28,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:28,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 21:01:28,859 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:28,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:28,859 INFO L85 PathProgramCache]: Analyzing trace with hash -990061430, now seen corresponding path program 1 times [2024-10-11 21:01:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:28,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288979340] [2024-10-11 21:01:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:28,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094816899] [2024-10-11 21:01:28,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:28,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:28,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:01:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:28,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:01:28,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:28,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:28,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:28,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288979340] [2024-10-11 21:01:28,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:28,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094816899] [2024-10-11 21:01:28,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094816899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:28,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:28,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:28,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699796875] [2024-10-11 21:01:28,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:28,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:28,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:28,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:28,965 INFO L87 Difference]: Start difference. First operand 267 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:29,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:29,156 INFO L93 Difference]: Finished difference Result 284 states and 383 transitions. [2024-10-11 21:01:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:29,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-11 21:01:29,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:29,158 INFO L225 Difference]: With dead ends: 284 [2024-10-11 21:01:29,158 INFO L226 Difference]: Without dead ends: 280 [2024-10-11 21:01:29,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:01:29,159 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 213 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:29,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 75 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:01:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-11 21:01:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 267. [2024-10-11 21:01:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.628440366972477) internal successors, (355), 257 states have internal predecessors, (355), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2024-10-11 21:01:29,165 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 28 [2024-10-11 21:01:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:29,166 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2024-10-11 21:01:29,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2024-10-11 21:01:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 21:01:29,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:29,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:29,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:29,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:01:29,371 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:29,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:29,371 INFO L85 PathProgramCache]: Analyzing trace with hash -611034622, now seen corresponding path program 1 times [2024-10-11 21:01:29,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:29,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907461951] [2024-10-11 21:01:29,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:29,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:29,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:29,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:29,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907461951] [2024-10-11 21:01:29,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907461951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:29,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:29,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:29,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9794439] [2024-10-11 21:01:29,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:29,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:29,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:29,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:29,432 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:30,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:30,083 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2024-10-11 21:01:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:30,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-11 21:01:30,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:30,084 INFO L225 Difference]: With dead ends: 341 [2024-10-11 21:01:30,084 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 21:01:30,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:30,085 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:30,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 217 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:01:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 21:01:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 269. [2024-10-11 21:01:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 259 states have internal predecessors, (357), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 373 transitions. [2024-10-11 21:01:30,093 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 373 transitions. Word has length 29 [2024-10-11 21:01:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:30,093 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 373 transitions. [2024-10-11 21:01:30,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2024-10-11 21:01:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 21:01:30,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:30,094 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:30,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 21:01:30,095 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:30,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash -212964752, now seen corresponding path program 1 times [2024-10-11 21:01:30,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:30,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068392688] [2024-10-11 21:01:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:30,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:30,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068392688] [2024-10-11 21:01:30,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068392688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:30,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:30,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 21:01:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917452820] [2024-10-11 21:01:30,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:30,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:01:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:30,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:01:30,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:30,169 INFO L87 Difference]: Start difference. First operand 269 states and 373 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:30,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:30,678 INFO L93 Difference]: Finished difference Result 383 states and 552 transitions. [2024-10-11 21:01:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:01:30,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-11 21:01:30,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:30,680 INFO L225 Difference]: With dead ends: 383 [2024-10-11 21:01:30,680 INFO L226 Difference]: Without dead ends: 381 [2024-10-11 21:01:30,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:30,680 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 295 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:30,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 113 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:01:30,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-11 21:01:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 275. [2024-10-11 21:01:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 226 states have (on average 1.6106194690265487) internal successors, (364), 265 states have internal predecessors, (364), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 380 transitions. [2024-10-11 21:01:30,695 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 380 transitions. Word has length 29 [2024-10-11 21:01:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:30,696 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 380 transitions. [2024-10-11 21:01:30,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 380 transitions. [2024-10-11 21:01:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 21:01:30,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:30,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:30,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 21:01:30,699 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:30,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:30,699 INFO L85 PathProgramCache]: Analyzing trace with hash -627133136, now seen corresponding path program 1 times [2024-10-11 21:01:30,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:30,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539667844] [2024-10-11 21:01:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:30,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539667844] [2024-10-11 21:01:30,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539667844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:30,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:30,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942328984] [2024-10-11 21:01:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:30,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:30,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:30,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:30,749 INFO L87 Difference]: Start difference. First operand 275 states and 380 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:31,270 INFO L93 Difference]: Finished difference Result 341 states and 441 transitions. [2024-10-11 21:01:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:31,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-11 21:01:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:31,272 INFO L225 Difference]: With dead ends: 341 [2024-10-11 21:01:31,272 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 21:01:31,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:31,272 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 64 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:31,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 210 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:01:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 21:01:31,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 284. [2024-10-11 21:01:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 235 states have (on average 1.6085106382978724) internal successors, (378), 274 states have internal predecessors, (378), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 394 transitions. [2024-10-11 21:01:31,279 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 394 transitions. Word has length 29 [2024-10-11 21:01:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:31,279 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 394 transitions. [2024-10-11 21:01:31,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2024-10-11 21:01:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 21:01:31,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:31,280 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:31,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 21:01:31,280 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:31,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:31,280 INFO L85 PathProgramCache]: Analyzing trace with hash 823564061, now seen corresponding path program 1 times [2024-10-11 21:01:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:31,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66456469] [2024-10-11 21:01:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:31,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:31,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66456469] [2024-10-11 21:01:31,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66456469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:31,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450958153] [2024-10-11 21:01:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:31,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:31,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:01:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:31,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:01:31,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:31,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:31,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450958153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:31,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:01:31,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:01:31,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741573499] [2024-10-11 21:01:31,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:31,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:31,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:31,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:31,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:01:31,418 INFO L87 Difference]: Start difference. First operand 284 states and 394 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:31,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:31,436 INFO L93 Difference]: Finished difference Result 284 states and 394 transitions. [2024-10-11 21:01:31,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:31,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-11 21:01:31,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:31,437 INFO L225 Difference]: With dead ends: 284 [2024-10-11 21:01:31,437 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 21:01:31,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:01:31,438 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 81 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:31,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 288 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:01:31,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 21:01:31,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-10-11 21:01:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.5872340425531914) internal successors, (373), 273 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 389 transitions. [2024-10-11 21:01:31,444 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 389 transitions. Word has length 30 [2024-10-11 21:01:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:31,445 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 389 transitions. [2024-10-11 21:01:31,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2024-10-11 21:01:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 21:01:31,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:31,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:31,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 21:01:31,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:31,650 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:31,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1988027418, now seen corresponding path program 1 times [2024-10-11 21:01:31,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:31,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267622366] [2024-10-11 21:01:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:31,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267622366] [2024-10-11 21:01:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267622366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:31,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:31,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 21:01:31,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119843526] [2024-10-11 21:01:31,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:31,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:01:31,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:01:31,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:31,708 INFO L87 Difference]: Start difference. First operand 283 states and 389 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:32,031 INFO L93 Difference]: Finished difference Result 291 states and 396 transitions. [2024-10-11 21:01:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:01:32,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-11 21:01:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:32,032 INFO L225 Difference]: With dead ends: 291 [2024-10-11 21:01:32,032 INFO L226 Difference]: Without dead ends: 289 [2024-10-11 21:01:32,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:32,033 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 276 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:32,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 76 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:01:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-11 21:01:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 283. [2024-10-11 21:01:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.574468085106383) internal successors, (370), 273 states have internal predecessors, (370), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2024-10-11 21:01:32,040 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 30 [2024-10-11 21:01:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:32,040 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2024-10-11 21:01:32,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2024-10-11 21:01:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 21:01:32,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:32,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:32,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 21:01:32,041 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2033709388, now seen corresponding path program 1 times [2024-10-11 21:01:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933967565] [2024-10-11 21:01:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:32,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:32,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933967565] [2024-10-11 21:01:32,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933967565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:32,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:32,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:01:32,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429839007] [2024-10-11 21:01:32,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:32,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:01:32,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:01:32,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:32,172 INFO L87 Difference]: Start difference. First operand 283 states and 386 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:32,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:32,963 INFO L93 Difference]: Finished difference Result 339 states and 430 transitions. [2024-10-11 21:01:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:01:32,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-11 21:01:32,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:32,965 INFO L225 Difference]: With dead ends: 339 [2024-10-11 21:01:32,965 INFO L226 Difference]: Without dead ends: 338 [2024-10-11 21:01:32,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:01:32,965 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 61 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:32,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 218 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:01:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-11 21:01:32,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 285. [2024-10-11 21:01:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5696202531645569) internal successors, (372), 275 states have internal predecessors, (372), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:01:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-10-11 21:01:32,976 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 30 [2024-10-11 21:01:32,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:32,976 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-10-11 21:01:32,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-10-11 21:01:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 21:01:32,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:32,976 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:32,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 21:01:32,976 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:32,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash -239317837, now seen corresponding path program 1 times [2024-10-11 21:01:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136073756] [2024-10-11 21:01:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:33,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:01:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136073756] [2024-10-11 21:01:33,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136073756] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:33,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184856927] [2024-10-11 21:01:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:33,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:33,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:33,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:01:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:33,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:01:33,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:33,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:33,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184856927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:33,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:01:33,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:01:33,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103710644] [2024-10-11 21:01:33,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:33,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:01:33,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:33,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:01:33,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:01:33,110 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:33,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:33,146 INFO L93 Difference]: Finished difference Result 300 states and 403 transitions. [2024-10-11 21:01:33,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:01:33,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-10-11 21:01:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:33,147 INFO L225 Difference]: With dead ends: 300 [2024-10-11 21:01:33,147 INFO L226 Difference]: Without dead ends: 299 [2024-10-11 21:01:33,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:01:33,148 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:33,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 315 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:01:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-11 21:01:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2024-10-11 21:01:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 244 states have (on average 1.5327868852459017) internal successors, (374), 283 states have internal predecessors, (374), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:01:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 394 transitions. [2024-10-11 21:01:33,157 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 394 transitions. Word has length 31 [2024-10-11 21:01:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:33,157 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 394 transitions. [2024-10-11 21:01:33,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 394 transitions. [2024-10-11 21:01:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 21:01:33,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:33,158 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:33,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:01:33,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:33,362 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:33,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:33,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1943794325, now seen corresponding path program 1 times [2024-10-11 21:01:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921887174] [2024-10-11 21:01:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:33,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:33,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038932209] [2024-10-11 21:01:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:33,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:33,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:33,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:01:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:33,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:01:33,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:34,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:35,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:35,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921887174] [2024-10-11 21:01:35,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:35,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038932209] [2024-10-11 21:01:35,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038932209] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:01:35,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:01:35,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-10-11 21:01:35,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170747507] [2024-10-11 21:01:35,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:35,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 21:01:35,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:35,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 21:01:35,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:01:35,670 INFO L87 Difference]: Start difference. First operand 294 states and 394 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:44,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 21:01:48,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:48,176 INFO L93 Difference]: Finished difference Result 586 states and 833 transitions. [2024-10-11 21:01:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:01:48,177 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-10-11 21:01:48,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:48,180 INFO L225 Difference]: With dead ends: 586 [2024-10-11 21:01:48,180 INFO L226 Difference]: Without dead ends: 559 [2024-10-11 21:01:48,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-10-11 21:01:48,181 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 688 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:48,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 122 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 833 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-10-11 21:01:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-11 21:01:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 363. [2024-10-11 21:01:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 313 states have (on average 1.488817891373802) internal successors, (466), 350 states have internal predecessors, (466), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 21:01:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 488 transitions. [2024-10-11 21:01:48,199 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 488 transitions. Word has length 33 [2024-10-11 21:01:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:48,199 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 488 transitions. [2024-10-11 21:01:48,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 488 transitions. [2024-10-11 21:01:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 21:01:48,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:48,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:48,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:48,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:48,401 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:48,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:48,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2020904180, now seen corresponding path program 1 times [2024-10-11 21:01:48,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:48,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228712612] [2024-10-11 21:01:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:48,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800096693] [2024-10-11 21:01:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:48,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:48,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:48,417 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:48,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 21:01:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:48,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:01:48,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:48,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:48,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:48,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228712612] [2024-10-11 21:01:48,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:48,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800096693] [2024-10-11 21:01:48,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800096693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:48,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:48,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 21:01:48,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71816407] [2024-10-11 21:01:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:48,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:01:48,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:48,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:01:48,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:48,608 INFO L87 Difference]: Start difference. First operand 363 states and 488 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:49,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:49,285 INFO L93 Difference]: Finished difference Result 457 states and 625 transitions. [2024-10-11 21:01:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:01:49,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-10-11 21:01:49,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:49,287 INFO L225 Difference]: With dead ends: 457 [2024-10-11 21:01:49,287 INFO L226 Difference]: Without dead ends: 450 [2024-10-11 21:01:49,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:49,288 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 240 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:49,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 104 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:01:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-10-11 21:01:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 380. [2024-10-11 21:01:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 330 states have (on average 1.4848484848484849) internal successors, (490), 367 states have internal predecessors, (490), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 21:01:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 512 transitions. [2024-10-11 21:01:49,303 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 512 transitions. Word has length 33 [2024-10-11 21:01:49,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:49,303 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 512 transitions. [2024-10-11 21:01:49,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 512 transitions. [2024-10-11 21:01:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 21:01:49,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:49,303 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:49,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 21:01:49,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 21:01:49,504 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:49,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:49,504 INFO L85 PathProgramCache]: Analyzing trace with hash 128081988, now seen corresponding path program 1 times [2024-10-11 21:01:49,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:49,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49941246] [2024-10-11 21:01:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:49,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:49,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152915042] [2024-10-11 21:01:49,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:49,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:49,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:49,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 21:01:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:49,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:01:49,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:50,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:51,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:51,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49941246] [2024-10-11 21:01:51,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:51,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152915042] [2024-10-11 21:01:51,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152915042] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:01:51,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:01:51,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-10-11 21:01:51,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528241077] [2024-10-11 21:01:51,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:51,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 21:01:51,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 21:01:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:01:51,557 INFO L87 Difference]: Start difference. First operand 380 states and 512 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:56,363 INFO L93 Difference]: Finished difference Result 601 states and 836 transitions. [2024-10-11 21:01:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 21:01:56,363 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-10-11 21:01:56,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:56,365 INFO L225 Difference]: With dead ends: 601 [2024-10-11 21:01:56,365 INFO L226 Difference]: Without dead ends: 567 [2024-10-11 21:01:56,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:01:56,366 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 597 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:56,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 127 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-11 21:01:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-11 21:01:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 412. [2024-10-11 21:01:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 363 states have (on average 1.4462809917355373) internal successors, (525), 399 states have internal predecessors, (525), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:01:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 545 transitions. [2024-10-11 21:01:56,386 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 545 transitions. Word has length 34 [2024-10-11 21:01:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:56,386 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 545 transitions. [2024-10-11 21:01:56,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:01:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 545 transitions. [2024-10-11 21:01:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 21:01:56,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:56,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:56,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 21:01:56,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 21:01:56,592 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:56,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1776479714, now seen corresponding path program 1 times [2024-10-11 21:01:56,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:56,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86754999] [2024-10-11 21:01:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:56,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783974812] [2024-10-11 21:01:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:56,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:56,609 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:56,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 21:01:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:56,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:01:56,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:56,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:01:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:56,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86754999] [2024-10-11 21:01:56,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:01:56,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783974812] [2024-10-11 21:01:56,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783974812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:01:56,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:01:56,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 21:01:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998925679] [2024-10-11 21:01:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:01:56,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:01:56,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:56,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:01:56,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:01:56,802 INFO L87 Difference]: Start difference. First operand 412 states and 545 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:57,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:57,371 INFO L93 Difference]: Finished difference Result 449 states and 587 transitions. [2024-10-11 21:01:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:01:57,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-10-11 21:01:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:57,372 INFO L225 Difference]: With dead ends: 449 [2024-10-11 21:01:57,372 INFO L226 Difference]: Without dead ends: 444 [2024-10-11 21:01:57,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:01:57,373 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 220 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:57,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 103 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:01:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-11 21:01:57,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 410. [2024-10-11 21:01:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 361 states have (on average 1.4238227146814404) internal successors, (514), 397 states have internal predecessors, (514), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:01:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 534 transitions. [2024-10-11 21:01:57,392 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 534 transitions. Word has length 34 [2024-10-11 21:01:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:57,392 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 534 transitions. [2024-10-11 21:01:57,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:01:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 534 transitions. [2024-10-11 21:01:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 21:01:57,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:57,393 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:57,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 21:01:57,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:57,596 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:01:57,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:57,597 INFO L85 PathProgramCache]: Analyzing trace with hash -324425609, now seen corresponding path program 1 times [2024-10-11 21:01:57,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:57,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714085664] [2024-10-11 21:01:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:01:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658818088] [2024-10-11 21:01:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:57,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:57,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:57,606 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:01:57,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 21:01:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:57,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:01:57,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:01:57,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714085664] [2024-10-11 21:02:04,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658818088] [2024-10-11 21:02:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658818088] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:04,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:04,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-10-11 21:02:04,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795549499] [2024-10-11 21:02:04,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:04,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:04,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:04,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:04,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=169, Unknown=1, NotChecked=0, Total=240 [2024-10-11 21:02:04,383 INFO L87 Difference]: Start difference. First operand 410 states and 534 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:12,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 21:02:12,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:12,941 INFO L93 Difference]: Finished difference Result 418 states and 542 transitions. [2024-10-11 21:02:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:02:12,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-10-11 21:02:12,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:12,943 INFO L225 Difference]: With dead ends: 418 [2024-10-11 21:02:12,943 INFO L226 Difference]: Without dead ends: 417 [2024-10-11 21:02:12,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=92, Invalid=213, Unknown=1, NotChecked=0, Total=306 [2024-10-11 21:02:12,944 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:12,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 101 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-10-11 21:02:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-11 21:02:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-10-11 21:02:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 368 states have (on average 1.4103260869565217) internal successors, (519), 404 states have internal predecessors, (519), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 539 transitions. [2024-10-11 21:02:12,973 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 539 transitions. Word has length 35 [2024-10-11 21:02:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:12,973 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 539 transitions. [2024-10-11 21:02:12,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 539 transitions. [2024-10-11 21:02:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 21:02:12,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:12,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:12,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 21:02:13,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:13,179 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:13,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:13,179 INFO L85 PathProgramCache]: Analyzing trace with hash 763703862, now seen corresponding path program 1 times [2024-10-11 21:02:13,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384563241] [2024-10-11 21:02:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:13,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:02:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:13,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384563241] [2024-10-11 21:02:13,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384563241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:13,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:13,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:13,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738907305] [2024-10-11 21:02:13,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:13,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:13,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:13,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:13,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:13,228 INFO L87 Difference]: Start difference. First operand 417 states and 539 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:13,701 INFO L93 Difference]: Finished difference Result 444 states and 560 transitions. [2024-10-11 21:02:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:13,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-10-11 21:02:13,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:13,702 INFO L225 Difference]: With dead ends: 444 [2024-10-11 21:02:13,702 INFO L226 Difference]: Without dead ends: 443 [2024-10-11 21:02:13,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:13,703 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 35 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:13,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 179 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:02:13,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-11 21:02:13,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 428. [2024-10-11 21:02:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 379 states have (on average 1.4142480211081794) internal successors, (536), 415 states have internal predecessors, (536), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 556 transitions. [2024-10-11 21:02:13,728 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 556 transitions. Word has length 35 [2024-10-11 21:02:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:13,729 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 556 transitions. [2024-10-11 21:02:13,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 556 transitions. [2024-10-11 21:02:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 21:02:13,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:13,730 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 21:02:13,730 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1467259226, now seen corresponding path program 1 times [2024-10-11 21:02:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427707260] [2024-10-11 21:02:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:13,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580589309] [2024-10-11 21:02:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:13,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:13,748 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:13,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 21:02:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:13,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:02:13,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:14,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:15,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:15,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427707260] [2024-10-11 21:02:15,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:15,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580589309] [2024-10-11 21:02:15,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580589309] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:15,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:15,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-10-11 21:02:15,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240148090] [2024-10-11 21:02:15,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:15,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:15,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:15,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:15,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:15,782 INFO L87 Difference]: Start difference. First operand 428 states and 556 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:20,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:20,440 INFO L93 Difference]: Finished difference Result 430 states and 558 transitions. [2024-10-11 21:02:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:02:20,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-11 21:02:20,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:20,442 INFO L225 Difference]: With dead ends: 430 [2024-10-11 21:02:20,442 INFO L226 Difference]: Without dead ends: 429 [2024-10-11 21:02:20,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:02:20,443 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 16 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:20,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 117 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 21:02:20,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-11 21:02:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-10-11 21:02:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 380 states have (on average 1.4078947368421053) internal successors, (535), 416 states have internal predecessors, (535), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 555 transitions. [2024-10-11 21:02:20,461 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 555 transitions. Word has length 36 [2024-10-11 21:02:20,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:20,461 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 555 transitions. [2024-10-11 21:02:20,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 555 transitions. [2024-10-11 21:02:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 21:02:20,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:20,462 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:20,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 21:02:20,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 21:02:20,666 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:20,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash 407056624, now seen corresponding path program 1 times [2024-10-11 21:02:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:20,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092849148] [2024-10-11 21:02:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:20,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104332622] [2024-10-11 21:02:20,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:20,681 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:20,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 21:02:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:20,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:02:20,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:20,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:20,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092849148] [2024-10-11 21:02:20,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104332622] [2024-10-11 21:02:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104332622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:20,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:20,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:02:20,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382706768] [2024-10-11 21:02:20,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:20,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:02:20,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:20,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:02:20,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:02:20,857 INFO L87 Difference]: Start difference. First operand 429 states and 555 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:21,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:21,197 INFO L93 Difference]: Finished difference Result 432 states and 557 transitions. [2024-10-11 21:02:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:02:21,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-11 21:02:21,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:21,199 INFO L225 Difference]: With dead ends: 432 [2024-10-11 21:02:21,199 INFO L226 Difference]: Without dead ends: 431 [2024-10-11 21:02:21,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:02:21,199 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 156 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:21,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 192 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:21,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-11 21:02:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2024-10-11 21:02:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 380 states have (on average 1.4052631578947368) internal successors, (534), 416 states have internal predecessors, (534), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 554 transitions. [2024-10-11 21:02:21,218 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 554 transitions. Word has length 36 [2024-10-11 21:02:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:21,218 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 554 transitions. [2024-10-11 21:02:21,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 554 transitions. [2024-10-11 21:02:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 21:02:21,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:21,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:21,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 21:02:21,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 21:02:21,419 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:21,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2094983904, now seen corresponding path program 1 times [2024-10-11 21:02:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:21,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772056003] [2024-10-11 21:02:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 21:02:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:21,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:21,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772056003] [2024-10-11 21:02:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772056003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:02:21,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033348297] [2024-10-11 21:02:21,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:21,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:02:21,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:21,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:02:21,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:21,500 INFO L87 Difference]: Start difference. First operand 429 states and 554 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:21,887 INFO L93 Difference]: Finished difference Result 444 states and 556 transitions. [2024-10-11 21:02:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:02:21,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-11 21:02:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:21,888 INFO L225 Difference]: With dead ends: 444 [2024-10-11 21:02:21,888 INFO L226 Difference]: Without dead ends: 443 [2024-10-11 21:02:21,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:02:21,889 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 32 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:21,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 182 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:02:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-11 21:02:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 430. [2024-10-11 21:02:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 381 states have (on average 1.4015748031496063) internal successors, (534), 417 states have internal predecessors, (534), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 554 transitions. [2024-10-11 21:02:21,913 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 554 transitions. Word has length 36 [2024-10-11 21:02:21,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:21,913 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 554 transitions. [2024-10-11 21:02:21,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 554 transitions. [2024-10-11 21:02:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 21:02:21,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:21,914 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:21,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 21:02:21,914 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:21,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:21,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1171173990, now seen corresponding path program 1 times [2024-10-11 21:02:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164062965] [2024-10-11 21:02:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:21,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:21,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155939026] [2024-10-11 21:02:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:21,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:21,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:21,924 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:21,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 21:02:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:21,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 21:02:21,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:22,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:24,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:24,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164062965] [2024-10-11 21:02:24,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:24,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155939026] [2024-10-11 21:02:24,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155939026] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:24,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:24,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-11 21:02:24,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916924632] [2024-10-11 21:02:24,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:02:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:02:24,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:24,591 INFO L87 Difference]: Start difference. First operand 430 states and 554 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:28,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:28,590 INFO L93 Difference]: Finished difference Result 442 states and 568 transitions. [2024-10-11 21:02:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:02:28,590 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-10-11 21:02:28,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:28,591 INFO L225 Difference]: With dead ends: 442 [2024-10-11 21:02:28,591 INFO L226 Difference]: Without dead ends: 441 [2024-10-11 21:02:28,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:02:28,592 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:28,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 130 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-11 21:02:28,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-11 21:02:28,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-10-11 21:02:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 392 states have (on average 1.3903061224489797) internal successors, (545), 428 states have internal predecessors, (545), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:28,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 565 transitions. [2024-10-11 21:02:28,611 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 565 transitions. Word has length 37 [2024-10-11 21:02:28,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:28,611 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 565 transitions. [2024-10-11 21:02:28,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 565 transitions. [2024-10-11 21:02:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 21:02:28,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:28,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:28,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 21:02:28,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 21:02:28,812 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:28,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:28,812 INFO L85 PathProgramCache]: Analyzing trace with hash 339393682, now seen corresponding path program 1 times [2024-10-11 21:02:28,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:28,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439121316] [2024-10-11 21:02:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:28,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:28,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017151325] [2024-10-11 21:02:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:28,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:28,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:28,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:28,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 21:02:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:28,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:02:28,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:29,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:02:29,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:29,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439121316] [2024-10-11 21:02:29,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:29,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017151325] [2024-10-11 21:02:29,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017151325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:02:29,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:02:29,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:02:29,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049117013] [2024-10-11 21:02:29,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:29,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:02:29,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:02:29,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:02:29,006 INFO L87 Difference]: Start difference. First operand 441 states and 565 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:29,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:29,341 INFO L93 Difference]: Finished difference Result 445 states and 567 transitions. [2024-10-11 21:02:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:29,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-10-11 21:02:29,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:29,343 INFO L225 Difference]: With dead ends: 445 [2024-10-11 21:02:29,343 INFO L226 Difference]: Without dead ends: 443 [2024-10-11 21:02:29,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:02:29,343 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 179 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:29,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 190 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:02:29,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-11 21:02:29,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-10-11 21:02:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 392 states have (on average 1.385204081632653) internal successors, (543), 428 states have internal predecessors, (543), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 563 transitions. [2024-10-11 21:02:29,362 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 563 transitions. Word has length 38 [2024-10-11 21:02:29,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:29,362 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 563 transitions. [2024-10-11 21:02:29,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 563 transitions. [2024-10-11 21:02:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 21:02:29,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:29,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:29,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 21:02:29,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:29,563 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:29,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:29,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1946655383, now seen corresponding path program 1 times [2024-10-11 21:02:29,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:29,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697152161] [2024-10-11 21:02:29,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:29,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981250800] [2024-10-11 21:02:29,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:29,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:29,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:29,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:29,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 21:02:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:29,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 21:02:29,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:30,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:33,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:33,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697152161] [2024-10-11 21:02:33,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:33,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981250800] [2024-10-11 21:02:33,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981250800] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:33,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:33,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-10-11 21:02:33,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131772921] [2024-10-11 21:02:33,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:33,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:02:33,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:33,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:02:33,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:33,156 INFO L87 Difference]: Start difference. First operand 441 states and 563 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:38,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:38,600 INFO L93 Difference]: Finished difference Result 445 states and 569 transitions. [2024-10-11 21:02:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:02:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-10-11 21:02:38,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:38,602 INFO L225 Difference]: With dead ends: 445 [2024-10-11 21:02:38,602 INFO L226 Difference]: Without dead ends: 444 [2024-10-11 21:02:38,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:02:38,602 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:38,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 197 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-11 21:02:38,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-11 21:02:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 436. [2024-10-11 21:02:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 387 states have (on average 1.3901808785529717) internal successors, (538), 423 states have internal predecessors, (538), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:02:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 558 transitions. [2024-10-11 21:02:38,622 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 558 transitions. Word has length 38 [2024-10-11 21:02:38,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:38,622 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 558 transitions. [2024-10-11 21:02:38,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 558 transitions. [2024-10-11 21:02:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:02:38,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:38,623 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:38,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 21:02:38,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 21:02:38,823 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1931269615, now seen corresponding path program 1 times [2024-10-11 21:02:38,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:38,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054627506] [2024-10-11 21:02:38,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:38,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:38,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622726992] [2024-10-11 21:02:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:38,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:38,832 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:38,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 21:02:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:38,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:02:38,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:39,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:40,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:40,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054627506] [2024-10-11 21:02:40,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:40,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622726992] [2024-10-11 21:02:40,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622726992] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:02:40,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:02:40,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:02:40,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394100843] [2024-10-11 21:02:40,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:40,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:02:40,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:40,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:02:40,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:02:40,033 INFO L87 Difference]: Start difference. First operand 436 states and 558 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:02:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:43,702 INFO L93 Difference]: Finished difference Result 576 states and 741 transitions. [2024-10-11 21:02:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 21:02:43,702 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-10-11 21:02:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:43,704 INFO L225 Difference]: With dead ends: 576 [2024-10-11 21:02:43,704 INFO L226 Difference]: Without dead ends: 574 [2024-10-11 21:02:43,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:02:43,704 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 388 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:43,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 153 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 21:02:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-10-11 21:02:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 488. [2024-10-11 21:02:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 438 states have (on average 1.3744292237442923) internal successors, (602), 474 states have internal predecessors, (602), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 21:02:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 624 transitions. [2024-10-11 21:02:43,727 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 624 transitions. Word has length 39 [2024-10-11 21:02:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:43,727 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 624 transitions. [2024-10-11 21:02:43,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:02:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 624 transitions. [2024-10-11 21:02:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 21:02:43,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:43,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:43,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 21:02:43,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:43,928 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:43,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash 216774792, now seen corresponding path program 1 times [2024-10-11 21:02:43,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:43,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555026881] [2024-10-11 21:02:43,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:43,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508294860] [2024-10-11 21:02:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:43,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:43,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:43,937 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:43,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 21:02:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:43,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 21:02:43,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:44,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:44,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:44,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555026881] [2024-10-11 21:02:44,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:44,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508294860] [2024-10-11 21:02:44,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508294860] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 21:02:44,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:02:44,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-10-11 21:02:44,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548599986] [2024-10-11 21:02:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:02:44,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:02:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:44,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:02:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:02:44,518 INFO L87 Difference]: Start difference. First operand 488 states and 624 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:45,565 INFO L93 Difference]: Finished difference Result 500 states and 638 transitions. [2024-10-11 21:02:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:02:45,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-10-11 21:02:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:45,567 INFO L225 Difference]: With dead ends: 500 [2024-10-11 21:02:45,567 INFO L226 Difference]: Without dead ends: 499 [2024-10-11 21:02:45,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:02:45,567 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 112 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:45,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 106 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 21:02:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-11 21:02:45,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-10-11 21:02:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 449 states have (on average 1.3630289532293987) internal successors, (612), 485 states have internal predecessors, (612), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 21:02:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 634 transitions. [2024-10-11 21:02:45,608 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 634 transitions. Word has length 39 [2024-10-11 21:02:45,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:45,608 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 634 transitions. [2024-10-11 21:02:45,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 21:02:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 634 transitions. [2024-10-11 21:02:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 21:02:45,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:45,609 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:45,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 21:02:45,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:45,813 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:45,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1482738928, now seen corresponding path program 1 times [2024-10-11 21:02:45,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:45,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078780820] [2024-10-11 21:02:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:45,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900821185] [2024-10-11 21:02:45,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:45,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:45,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:45,822 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:45,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 21:02:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:45,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:02:45,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:46,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078780820] [2024-10-11 21:02:46,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900821185] [2024-10-11 21:02:46,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900821185] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:02:46,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:02:46,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 21:02:46,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393504114] [2024-10-11 21:02:46,817 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:46,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 21:02:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 21:02:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:02:46,817 INFO L87 Difference]: Start difference. First operand 499 states and 634 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:02:52,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:02:52,409 INFO L93 Difference]: Finished difference Result 548 states and 700 transitions. [2024-10-11 21:02:52,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 21:02:52,410 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-10-11 21:02:52,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:02:52,411 INFO L225 Difference]: With dead ends: 548 [2024-10-11 21:02:52,411 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 21:02:52,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2024-10-11 21:02:52,412 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 388 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:02:52,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 192 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 21:02:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 21:02:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 519. [2024-10-11 21:02:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 468 states have (on average 1.3525641025641026) internal successors, (633), 504 states have internal predecessors, (633), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:02:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 657 transitions. [2024-10-11 21:02:52,439 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 657 transitions. Word has length 41 [2024-10-11 21:02:52,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:02:52,440 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 657 transitions. [2024-10-11 21:02:52,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 21:02:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 657 transitions. [2024-10-11 21:02:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 21:02:52,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:02:52,440 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:02:52,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 21:02:52,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 21:02:52,641 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-11 21:02:52,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:02:52,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1017030638, now seen corresponding path program 1 times [2024-10-11 21:02:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:02:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261462839] [2024-10-11 21:02:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:02:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:02:52,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28280014] [2024-10-11 21:02:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:02:52,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:02:52,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:02:52,650 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:02:52,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 21:02:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:02:52,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 21:02:52,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:02:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:52,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:02:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:02:53,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:02:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261462839] [2024-10-11 21:02:53,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:02:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28280014] [2024-10-11 21:02:53,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28280014] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:02:53,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:02:53,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-11 21:02:53,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284328303] [2024-10-11 21:02:53,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:02:53,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 21:02:53,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:02:53,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 21:02:53,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:02:53,947 INFO L87 Difference]: Start difference. First operand 519 states and 657 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)