./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:01:09,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:01:09,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:01:09,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:01:09,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:01:09,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:01:09,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:01:09,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:01:09,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:01:09,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:01:09,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:01:09,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:01:09,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:01:09,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:01:09,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:01:09,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:01:09,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:01:09,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:01:09,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:01:09,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:01:09,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:01:09,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:01:09,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:01:09,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:01:09,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:01:09,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:01:09,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:01:09,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:01:09,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:01:09,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:01:09,182 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:01:09,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:01:09,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:01:09,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:01:09,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:01:09,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:01:09,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:01:09,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:01:09,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:01:09,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:01:09,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:01:09,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:01:09,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:01:09,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:01:09,186 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2024-11-10 19:01:09,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:01:09,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:01:09,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:01:09,478 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:01:09,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:01:09,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-11-10 19:01:10,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:01:11,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:01:11,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-11-10 19:01:11,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010006a68/bcc14bfd69764b6982660adf456acc2f/FLAGeb19a5605 [2024-11-10 19:01:11,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010006a68/bcc14bfd69764b6982660adf456acc2f [2024-11-10 19:01:11,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:01:11,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:01:11,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:01:11,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:01:11,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:01:11,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3859898e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11, skipping insertion in model container [2024-11-10 19:01:11,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:01:11,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:01:11,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:01:11,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:01:11,462 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:01:11,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11 WrapperNode [2024-11-10 19:01:11,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:01:11,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:01:11,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:01:11,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:01:11,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,515 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2024-11-10 19:01:11,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:01:11,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:01:11,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:01:11,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:01:11,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,552 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]. [2024-11-10 19:01:11,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:01:11,591 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:01:11,591 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:01:11,591 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:01:11,592 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (1/1) ... [2024-11-10 19:01:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:01:11,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:11,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:01:11,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:01:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:01:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:01:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:01:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:01:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:01:11,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:01:11,753 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:01:11,755 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:01:12,717 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-10 19:01:12,718 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:01:12,749 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:01:12,749 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:01:12,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:01:12 BoogieIcfgContainer [2024-11-10 19:01:12,750 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:01:12,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:01:12,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:01:12,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:01:12,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:01:11" (1/3) ... [2024-11-10 19:01:12,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e487da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:01:12, skipping insertion in model container [2024-11-10 19:01:12,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:01:11" (2/3) ... [2024-11-10 19:01:12,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e487da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:01:12, skipping insertion in model container [2024-11-10 19:01:12,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:01:12" (3/3) ... [2024-11-10 19:01:12,760 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound100.c [2024-11-10 19:01:12,776 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:01:12,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-10 19:01:12,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:01:12,866 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;@7caf3067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:01:12,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-10 19:01:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 158 states have (on average 1.9113924050632911) internal successors, (302), 298 states have internal predecessors, (302), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:01:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 19:01:12,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:12,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 19:01:12,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:12,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash 10342272, now seen corresponding path program 1 times [2024-11-10 19:01:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:12,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581265093] [2024-11-10 19:01:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:01:13,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:13,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581265093] [2024-11-10 19:01:13,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581265093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:13,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:13,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:13,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755578487] [2024-11-10 19:01:13,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:13,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:01:13,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:13,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:01:13,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:01:13,047 INFO L87 Difference]: Start difference. First operand has 311 states, 158 states have (on average 1.9113924050632911) internal successors, (302), 298 states have internal predecessors, (302), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:13,105 INFO L93 Difference]: Finished difference Result 612 states and 656 transitions. [2024-11-10 19:01:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:01:13,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-10 19:01:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:13,116 INFO L225 Difference]: With dead ends: 612 [2024-11-10 19:01:13,116 INFO L226 Difference]: Without dead ends: 297 [2024-11-10 19:01:13,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:01:13,123 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:13,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:01:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-10 19:01:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-11-10 19:01:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 153 states have (on average 1.8758169934640523) internal successors, (287), 285 states have internal predecessors, (287), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:01:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 307 transitions. [2024-11-10 19:01:13,182 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 307 transitions. Word has length 4 [2024-11-10 19:01:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:13,182 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 307 transitions. [2024-11-10 19:01:13,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 307 transitions. [2024-11-10 19:01:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 19:01:13,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:13,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 19:01:13,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:01:13,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:13,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash 10342367, now seen corresponding path program 1 times [2024-11-10 19:01:13,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:13,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459414970] [2024-11-10 19:01:13,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:01:13,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459414970] [2024-11-10 19:01:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459414970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:13,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:13,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509405231] [2024-11-10 19:01:13,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:13,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:13,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:13,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:13,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:13,289 INFO L87 Difference]: Start difference. First operand 297 states and 307 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:13,375 INFO L93 Difference]: Finished difference Result 479 states and 493 transitions. [2024-11-10 19:01:13,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:13,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-10 19:01:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:13,381 INFO L225 Difference]: With dead ends: 479 [2024-11-10 19:01:13,381 INFO L226 Difference]: Without dead ends: 302 [2024-11-10 19:01:13,382 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 [2024-11-10 19:01:13,384 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 6 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:13,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 902 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:01:13,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-10 19:01:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-10 19:01:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 158 states have (on average 1.8481012658227849) internal successors, (292), 290 states have internal predecessors, (292), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:01:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 312 transitions. [2024-11-10 19:01:13,407 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 312 transitions. Word has length 4 [2024-11-10 19:01:13,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:13,407 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 312 transitions. [2024-11-10 19:01:13,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 312 transitions. [2024-11-10 19:01:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:01:13,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:13,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:13,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:01:13,408 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:13,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:13,409 INFO L85 PathProgramCache]: Analyzing trace with hash -605872229, now seen corresponding path program 1 times [2024-11-10 19:01:13,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:13,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233801244] [2024-11-10 19:01:13,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:01:13,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:13,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233801244] [2024-11-10 19:01:13,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233801244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:13,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:13,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46226799] [2024-11-10 19:01:13,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:13,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:13,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:13,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:13,483 INFO L87 Difference]: Start difference. First operand 302 states and 312 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:13,671 INFO L93 Difference]: Finished difference Result 571 states and 591 transitions. [2024-11-10 19:01:13,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:13,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 19:01:13,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:13,678 INFO L225 Difference]: With dead ends: 571 [2024-11-10 19:01:13,678 INFO L226 Difference]: Without dead ends: 551 [2024-11-10 19:01:13,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:13,684 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 238 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:13,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 656 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-10 19:01:13,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 360. [2024-11-10 19:01:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 211 states have (on average 1.7677725118483412) internal successors, (373), 343 states have internal predecessors, (373), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:01:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 403 transitions. [2024-11-10 19:01:13,715 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 403 transitions. Word has length 8 [2024-11-10 19:01:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:13,715 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 403 transitions. [2024-11-10 19:01:13,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:01:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 403 transitions. [2024-11-10 19:01:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:01:13,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:13,717 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:13,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:01:13,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:13,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1125343761, now seen corresponding path program 1 times [2024-11-10 19:01:13,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592081539] [2024-11-10 19:01:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:13,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072183988] [2024-11-10 19:01:13,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:13,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:13,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:13,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:13,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:01:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:13,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:13,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:14,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592081539] [2024-11-10 19:01:14,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:14,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072183988] [2024-11-10 19:01:14,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072183988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:14,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:14,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:14,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962222069] [2024-11-10 19:01:14,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:14,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:14,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:14,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:14,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:14,036 INFO L87 Difference]: Start difference. First operand 360 states and 403 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:14,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:14,528 INFO L93 Difference]: Finished difference Result 523 states and 581 transitions. [2024-11-10 19:01:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:14,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-10 19:01:14,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:14,531 INFO L225 Difference]: With dead ends: 523 [2024-11-10 19:01:14,531 INFO L226 Difference]: Without dead ends: 468 [2024-11-10 19:01:14,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:14,533 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 137 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:14,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 348 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:14,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-10 19:01:14,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 447. [2024-11-10 19:01:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.6313993174061434) internal successors, (478), 425 states have internal predecessors, (478), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 518 transitions. [2024-11-10 19:01:14,552 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 518 transitions. Word has length 41 [2024-11-10 19:01:14,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:14,553 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 518 transitions. [2024-11-10 19:01:14,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 518 transitions. [2024-11-10 19:01:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:01:14,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:14,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:14,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:14,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:14,759 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:14,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash 876411405, now seen corresponding path program 1 times [2024-11-10 19:01:14,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:14,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720636916] [2024-11-10 19:01:14,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:14,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:14,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:14,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:14,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:14,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720636916] [2024-11-10 19:01:14,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720636916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:14,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:14,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:14,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112513341] [2024-11-10 19:01:14,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:14,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:14,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:14,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:14,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:14,870 INFO L87 Difference]: Start difference. First operand 447 states and 518 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:15,473 INFO L93 Difference]: Finished difference Result 480 states and 525 transitions. [2024-11-10 19:01:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:15,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-10 19:01:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:15,476 INFO L225 Difference]: With dead ends: 480 [2024-11-10 19:01:15,476 INFO L226 Difference]: Without dead ends: 457 [2024-11-10 19:01:15,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:15,478 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 122 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:15,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 542 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:15,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-10 19:01:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-10 19:01:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.552901023890785) internal successors, (455), 425 states have internal predecessors, (455), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 495 transitions. [2024-11-10 19:01:15,493 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 495 transitions. Word has length 43 [2024-11-10 19:01:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:15,493 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 495 transitions. [2024-11-10 19:01:15,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 495 transitions. [2024-11-10 19:01:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:01:15,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:15,495 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:15,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:01:15,495 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:15,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:15,496 INFO L85 PathProgramCache]: Analyzing trace with hash 417777195, now seen corresponding path program 1 times [2024-11-10 19:01:15,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:15,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22554478] [2024-11-10 19:01:15,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:15,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22554478] [2024-11-10 19:01:15,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22554478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:15,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:15,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341918684] [2024-11-10 19:01:15,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:15,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:15,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:15,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:15,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:15,667 INFO L87 Difference]: Start difference. First operand 447 states and 495 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:17,445 INFO L93 Difference]: Finished difference Result 459 states and 502 transitions. [2024-11-10 19:01:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:17,446 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-10 19:01:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:17,448 INFO L225 Difference]: With dead ends: 459 [2024-11-10 19:01:17,448 INFO L226 Difference]: Without dead ends: 457 [2024-11-10 19:01:17,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:17,453 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 143 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:17,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 515 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:01:17,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-10 19:01:17,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-10 19:01:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.546075085324232) internal successors, (453), 425 states have internal predecessors, (453), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 493 transitions. [2024-11-10 19:01:17,471 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 493 transitions. Word has length 45 [2024-11-10 19:01:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:17,472 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 493 transitions. [2024-11-10 19:01:17,472 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 493 transitions. [2024-11-10 19:01:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:01:17,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:17,473 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:17,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:01:17,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:17,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:17,474 INFO L85 PathProgramCache]: Analyzing trace with hash 66191372, now seen corresponding path program 1 times [2024-11-10 19:01:17,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:17,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832122384] [2024-11-10 19:01:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:17,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:17,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:17,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:17,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832122384] [2024-11-10 19:01:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832122384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:17,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:17,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:17,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430036261] [2024-11-10 19:01:17,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:17,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:17,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:17,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:17,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:17,646 INFO L87 Difference]: Start difference. First operand 447 states and 493 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:21,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:21,059 INFO L93 Difference]: Finished difference Result 459 states and 500 transitions. [2024-11-10 19:01:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:21,059 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-10 19:01:21,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:21,062 INFO L225 Difference]: With dead ends: 459 [2024-11-10 19:01:21,062 INFO L226 Difference]: Without dead ends: 457 [2024-11-10 19:01:21,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:21,063 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 143 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:21,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 491 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-10 19:01:21,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-10 19:01:21,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 447. [2024-11-10 19:01:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 293 states have (on average 1.5392491467576792) internal successors, (451), 425 states have internal predecessors, (451), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 491 transitions. [2024-11-10 19:01:21,078 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 491 transitions. Word has length 46 [2024-11-10 19:01:21,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:21,079 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 491 transitions. [2024-11-10 19:01:21,079 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 491 transitions. [2024-11-10 19:01:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:01:21,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:21,080 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:21,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:01:21,081 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:21,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 517385831, now seen corresponding path program 1 times [2024-11-10 19:01:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:21,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928434449] [2024-11-10 19:01:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1577220759] [2024-11-10 19:01:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:21,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:21,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:01:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:21,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:01:21,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:21,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:21,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:21,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928434449] [2024-11-10 19:01:21,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:21,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577220759] [2024-11-10 19:01:21,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577220759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:21,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:21,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:21,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368036718] [2024-11-10 19:01:21,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:21,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:21,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:21,415 INFO L87 Difference]: Start difference. First operand 447 states and 491 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:22,032 INFO L93 Difference]: Finished difference Result 464 states and 498 transitions. [2024-11-10 19:01:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:22,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-10 19:01:22,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:22,035 INFO L225 Difference]: With dead ends: 464 [2024-11-10 19:01:22,035 INFO L226 Difference]: Without dead ends: 455 [2024-11-10 19:01:22,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:22,036 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 114 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:22,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 329 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-10 19:01:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2024-11-10 19:01:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 296 states have (on average 1.5135135135135136) internal successors, (448), 428 states have internal predecessors, (448), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 488 transitions. [2024-11-10 19:01:22,054 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 488 transitions. Word has length 49 [2024-11-10 19:01:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:22,055 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 488 transitions. [2024-11-10 19:01:22,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 488 transitions. [2024-11-10 19:01:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:01:22,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:22,059 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:22,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:01:22,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-10 19:01:22,260 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:22,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1140908216, now seen corresponding path program 1 times [2024-11-10 19:01:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:22,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729294668] [2024-11-10 19:01:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:22,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:22,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:22,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729294668] [2024-11-10 19:01:22,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729294668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:22,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:22,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975750921] [2024-11-10 19:01:22,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:22,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:22,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:22,391 INFO L87 Difference]: Start difference. First operand 450 states and 488 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:22,844 INFO L93 Difference]: Finished difference Result 463 states and 489 transitions. [2024-11-10 19:01:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-10 19:01:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:22,847 INFO L225 Difference]: With dead ends: 463 [2024-11-10 19:01:22,847 INFO L226 Difference]: Without dead ends: 457 [2024-11-10 19:01:22,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:22,848 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 252 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:22,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 381 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-10 19:01:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 450. [2024-11-10 19:01:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 296 states have (on average 1.4932432432432432) internal successors, (442), 428 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:01:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 482 transitions. [2024-11-10 19:01:22,860 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 482 transitions. Word has length 50 [2024-11-10 19:01:22,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:22,860 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 482 transitions. [2024-11-10 19:01:22,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 482 transitions. [2024-11-10 19:01:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:01:22,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:22,862 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:22,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:01:22,862 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:22,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1571716740, now seen corresponding path program 1 times [2024-11-10 19:01:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:22,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245244139] [2024-11-10 19:01:22,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:01:22,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:22,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245244139] [2024-11-10 19:01:22,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245244139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:22,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:22,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:22,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341858033] [2024-11-10 19:01:22,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:22,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:22,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:22,969 INFO L87 Difference]: Start difference. First operand 450 states and 482 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:23,475 INFO L93 Difference]: Finished difference Result 461 states and 483 transitions. [2024-11-10 19:01:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:23,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-11-10 19:01:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:23,477 INFO L225 Difference]: With dead ends: 461 [2024-11-10 19:01:23,477 INFO L226 Difference]: Without dead ends: 388 [2024-11-10 19:01:23,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:23,478 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 230 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:23,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 329 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-10 19:01:23,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2024-11-10 19:01:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 233 states have (on average 1.6008583690987124) internal successors, (373), 365 states have internal predecessors, (373), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 407 transitions. [2024-11-10 19:01:23,488 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 407 transitions. Word has length 54 [2024-11-10 19:01:23,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:23,489 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 407 transitions. [2024-11-10 19:01:23,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:01:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 407 transitions. [2024-11-10 19:01:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:01:23,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:23,491 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:23,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:01:23,491 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:23,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash 347163440, now seen corresponding path program 1 times [2024-11-10 19:01:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:23,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182803368] [2024-11-10 19:01:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:23,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:23,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182803368] [2024-11-10 19:01:23,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182803368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:23,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:23,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:23,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409111446] [2024-11-10 19:01:23,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:23,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:23,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:23,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:23,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:23,582 INFO L87 Difference]: Start difference. First operand 384 states and 407 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:01:23,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:23,878 INFO L93 Difference]: Finished difference Result 384 states and 407 transitions. [2024-11-10 19:01:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:23,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 89 [2024-11-10 19:01:23,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:23,882 INFO L225 Difference]: With dead ends: 384 [2024-11-10 19:01:23,882 INFO L226 Difference]: Without dead ends: 382 [2024-11-10 19:01:23,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:23,883 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 206 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:23,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 279 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:01:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-10 19:01:23,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-10 19:01:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 233 states have (on average 1.5836909871244635) internal successors, (369), 363 states have internal predecessors, (369), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 403 transitions. [2024-11-10 19:01:23,896 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 403 transitions. Word has length 89 [2024-11-10 19:01:23,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:23,897 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 403 transitions. [2024-11-10 19:01:23,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:01:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 403 transitions. [2024-11-10 19:01:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:01:23,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:23,899 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:23,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 19:01:23,899 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:23,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2122835114, now seen corresponding path program 1 times [2024-11-10 19:01:23,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:23,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350851829] [2024-11-10 19:01:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:23,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:01:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:23,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:23,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350851829] [2024-11-10 19:01:23,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350851829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:23,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:23,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:01:23,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63701138] [2024-11-10 19:01:23,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:23,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:23,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:23,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:23,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:23,994 INFO L87 Difference]: Start difference. First operand 382 states and 403 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:01:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:24,208 INFO L93 Difference]: Finished difference Result 386 states and 403 transitions. [2024-11-10 19:01:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:24,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 90 [2024-11-10 19:01:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:24,210 INFO L225 Difference]: With dead ends: 386 [2024-11-10 19:01:24,210 INFO L226 Difference]: Without dead ends: 382 [2024-11-10 19:01:24,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:24,211 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 20 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:24,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 979 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-10 19:01:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2024-11-10 19:01:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 231 states have (on average 1.58008658008658) internal successors, (365), 361 states have internal predecessors, (365), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 399 transitions. [2024-11-10 19:01:24,222 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 399 transitions. Word has length 90 [2024-11-10 19:01:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:24,223 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 399 transitions. [2024-11-10 19:01:24,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:01:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 399 transitions. [2024-11-10 19:01:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:01:24,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:24,224 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:24,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:01:24,225 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:24,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1104624789, now seen corresponding path program 1 times [2024-11-10 19:01:24,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:24,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777510160] [2024-11-10 19:01:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:24,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:24,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:24,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777510160] [2024-11-10 19:01:24,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777510160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:24,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697714151] [2024-11-10 19:01:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:24,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:24,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:24,287 INFO L87 Difference]: Start difference. First operand 380 states and 399 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:24,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:24,726 INFO L93 Difference]: Finished difference Result 380 states and 399 transitions. [2024-11-10 19:01:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:24,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-10 19:01:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:24,728 INFO L225 Difference]: With dead ends: 380 [2024-11-10 19:01:24,728 INFO L226 Difference]: Without dead ends: 373 [2024-11-10 19:01:24,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:24,729 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:24,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 160 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:01:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-10 19:01:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2024-11-10 19:01:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 231 states have (on average 1.5497835497835497) internal successors, (358), 354 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 392 transitions. [2024-11-10 19:01:24,740 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 392 transitions. Word has length 89 [2024-11-10 19:01:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:24,741 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 392 transitions. [2024-11-10 19:01:24,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 392 transitions. [2024-11-10 19:01:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:01:24,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:24,742 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:24,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:01:24,743 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:24,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:24,743 INFO L85 PathProgramCache]: Analyzing trace with hash -116369761, now seen corresponding path program 1 times [2024-11-10 19:01:24,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:24,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979444296] [2024-11-10 19:01:24,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:24,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:24,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:24,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979444296] [2024-11-10 19:01:24,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979444296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:24,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:24,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824876433] [2024-11-10 19:01:24,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:24,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:24,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:24,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:24,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:24,845 INFO L87 Difference]: Start difference. First operand 373 states and 392 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:25,168 INFO L93 Difference]: Finished difference Result 378 states and 397 transitions. [2024-11-10 19:01:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:25,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-11-10 19:01:25,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:25,171 INFO L225 Difference]: With dead ends: 378 [2024-11-10 19:01:25,171 INFO L226 Difference]: Without dead ends: 377 [2024-11-10 19:01:25,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:25,171 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 19 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:25,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 421 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:01:25,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-10 19:01:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 376. [2024-11-10 19:01:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 234 states have (on average 1.5427350427350428) internal successors, (361), 357 states have internal predecessors, (361), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 395 transitions. [2024-11-10 19:01:25,184 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 395 transitions. Word has length 90 [2024-11-10 19:01:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:25,184 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 395 transitions. [2024-11-10 19:01:25,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 395 transitions. [2024-11-10 19:01:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:01:25,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:25,186 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:25,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:01:25,187 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:25,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash -732792078, now seen corresponding path program 1 times [2024-11-10 19:01:25,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:25,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810835967] [2024-11-10 19:01:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:25,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:25,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810835967] [2024-11-10 19:01:25,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810835967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845744472] [2024-11-10 19:01:25,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:25,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:25,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:25,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:01:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:25,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:25,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:25,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845744472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:25,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:25,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:01:25,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371620791] [2024-11-10 19:01:25,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:25,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:25,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:25,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:25,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:25,514 INFO L87 Difference]: Start difference. First operand 376 states and 395 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:25,546 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2024-11-10 19:01:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:25,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 93 [2024-11-10 19:01:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:25,548 INFO L225 Difference]: With dead ends: 376 [2024-11-10 19:01:25,549 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 19:01:25,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:01:25,550 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 226 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:25,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 579 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:01:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 19:01:25,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-10 19:01:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 234 states have (on average 1.5384615384615385) internal successors, (360), 356 states have internal predecessors, (360), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:01:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 394 transitions. [2024-11-10 19:01:25,562 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 394 transitions. Word has length 93 [2024-11-10 19:01:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:25,562 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 394 transitions. [2024-11-10 19:01:25,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 394 transitions. [2024-11-10 19:01:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 19:01:25,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:25,563 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:25,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:01:25,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:25,764 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:25,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:25,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1241717669, now seen corresponding path program 1 times [2024-11-10 19:01:25,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:25,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877408742] [2024-11-10 19:01:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:25,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:25,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:25,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877408742] [2024-11-10 19:01:25,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877408742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:25,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449761878] [2024-11-10 19:01:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:25,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:25,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:25,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:01:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:25,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:25,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:26,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:26,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449761878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:26,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:26,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:01:26,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713225005] [2024-11-10 19:01:26,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:26,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:26,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:26,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:26,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:26,110 INFO L87 Difference]: Start difference. First operand 375 states and 394 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:26,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:26,211 INFO L93 Difference]: Finished difference Result 544 states and 566 transitions. [2024-11-10 19:01:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:26,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 94 [2024-11-10 19:01:26,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:26,213 INFO L225 Difference]: With dead ends: 544 [2024-11-10 19:01:26,214 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 19:01:26,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:01:26,215 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 224 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:26,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1511 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 19:01:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 451. [2024-11-10 19:01:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 305 states have (on average 1.6098360655737705) internal successors, (491), 427 states have internal predecessors, (491), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:01:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 535 transitions. [2024-11-10 19:01:26,229 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 535 transitions. Word has length 94 [2024-11-10 19:01:26,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:26,229 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 535 transitions. [2024-11-10 19:01:26,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 535 transitions. [2024-11-10 19:01:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 19:01:26,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:26,231 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:26,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:01:26,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:01:26,435 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:26,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash 542509208, now seen corresponding path program 1 times [2024-11-10 19:01:26,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:26,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806965611] [2024-11-10 19:01:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:26,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:26,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:26,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806965611] [2024-11-10 19:01:26,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806965611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:26,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169330564] [2024-11-10 19:01:26,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:26,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:26,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:26,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:26,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:01:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:26,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:01:26,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:26,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169330564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:26,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:26,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:01:26,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663515162] [2024-11-10 19:01:26,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:26,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:26,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:26,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:26,664 INFO L87 Difference]: Start difference. First operand 451 states and 535 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:26,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:26,781 INFO L93 Difference]: Finished difference Result 453 states and 535 transitions. [2024-11-10 19:01:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:26,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 97 [2024-11-10 19:01:26,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:26,787 INFO L225 Difference]: With dead ends: 453 [2024-11-10 19:01:26,787 INFO L226 Difference]: Without dead ends: 445 [2024-11-10 19:01:26,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:26,788 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 437 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:26,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 361 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:01:26,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-10 19:01:26,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 443. [2024-11-10 19:01:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 305 states have (on average 1.5770491803278688) internal successors, (481), 419 states have internal predecessors, (481), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:01:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 525 transitions. [2024-11-10 19:01:26,803 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 525 transitions. Word has length 97 [2024-11-10 19:01:26,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:26,804 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 525 transitions. [2024-11-10 19:01:26,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:01:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 525 transitions. [2024-11-10 19:01:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:01:26,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:26,805 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:26,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:01:27,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:01:27,006 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:27,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash -362083593, now seen corresponding path program 1 times [2024-11-10 19:01:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:27,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130118885] [2024-11-10 19:01:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:27,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130118885] [2024-11-10 19:01:27,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130118885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496032937] [2024-11-10 19:01:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:27,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:27,104 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:27,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:01:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:01:27,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:27,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496032937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:27,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:27,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:01:27,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682819371] [2024-11-10 19:01:27,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:27,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:01:27,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:27,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:01:27,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:27,372 INFO L87 Difference]: Start difference. First operand 443 states and 525 transitions. Second operand has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:01:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:27,591 INFO L93 Difference]: Finished difference Result 795 states and 964 transitions. [2024-11-10 19:01:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:27,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 98 [2024-11-10 19:01:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:27,595 INFO L225 Difference]: With dead ends: 795 [2024-11-10 19:01:27,595 INFO L226 Difference]: Without dead ends: 787 [2024-11-10 19:01:27,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:27,596 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 641 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:27,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 984 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:27,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-10 19:01:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 521. [2024-11-10 19:01:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 383 states have (on average 1.5378590078328982) internal successors, (589), 492 states have internal predecessors, (589), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:01:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 643 transitions. [2024-11-10 19:01:27,614 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 643 transitions. Word has length 98 [2024-11-10 19:01:27,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:27,614 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 643 transitions. [2024-11-10 19:01:27,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 34.0) internal successors, (204), 7 states have internal predecessors, (204), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:01:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 643 transitions. [2024-11-10 19:01:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:01:27,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:27,616 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:27,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:01:27,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:01:27,821 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:27,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash 81281358, now seen corresponding path program 1 times [2024-11-10 19:01:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794974403] [2024-11-10 19:01:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:27,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031086730] [2024-11-10 19:01:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:27,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:27,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:01:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:27,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:27,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:01:28,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794974403] [2024-11-10 19:01:28,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031086730] [2024-11-10 19:01:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031086730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:28,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:28,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:28,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623170805] [2024-11-10 19:01:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:28,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:28,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:28,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:28,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:28,027 INFO L87 Difference]: Start difference. First operand 521 states and 643 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:28,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:28,543 INFO L93 Difference]: Finished difference Result 522 states and 643 transitions. [2024-11-10 19:01:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:28,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-10 19:01:28,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:28,548 INFO L225 Difference]: With dead ends: 522 [2024-11-10 19:01:28,548 INFO L226 Difference]: Without dead ends: 521 [2024-11-10 19:01:28,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:28,549 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 69 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:28,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 508 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:28,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-10 19:01:28,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-11-10 19:01:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 383 states have (on average 1.5352480417754568) internal successors, (588), 492 states have internal predecessors, (588), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:01:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 642 transitions. [2024-11-10 19:01:28,569 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 642 transitions. Word has length 106 [2024-11-10 19:01:28,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:28,570 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 642 transitions. [2024-11-10 19:01:28,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 642 transitions. [2024-11-10 19:01:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:01:28,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:28,571 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:28,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:01:28,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:28,773 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:28,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1775245089, now seen corresponding path program 1 times [2024-11-10 19:01:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772383228] [2024-11-10 19:01:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:28,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460765830] [2024-11-10 19:01:28,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:28,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:28,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:28,797 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:28,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:01:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:28,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:28,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:01:29,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:29,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:29,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772383228] [2024-11-10 19:01:29,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:29,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460765830] [2024-11-10 19:01:29,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460765830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:29,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:29,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:01:29,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765424617] [2024-11-10 19:01:29,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:29,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:01:29,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:29,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:01:29,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:01:29,109 INFO L87 Difference]: Start difference. First operand 521 states and 642 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:29,848 INFO L93 Difference]: Finished difference Result 522 states and 642 transitions. [2024-11-10 19:01:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:01:29,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-10 19:01:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:29,851 INFO L225 Difference]: With dead ends: 522 [2024-11-10 19:01:29,852 INFO L226 Difference]: Without dead ends: 501 [2024-11-10 19:01:29,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:29,853 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 21 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:29,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 429 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-10 19:01:29,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2024-11-10 19:01:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 365 states have (on average 1.558904109589041) internal successors, (569), 474 states have internal predecessors, (569), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:01:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 619 transitions. [2024-11-10 19:01:29,874 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 619 transitions. Word has length 107 [2024-11-10 19:01:29,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:29,874 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 619 transitions. [2024-11-10 19:01:29,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 619 transitions. [2024-11-10 19:01:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:01:29,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:29,876 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:29,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:30,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:30,080 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:30,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash -238264998, now seen corresponding path program 1 times [2024-11-10 19:01:30,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:30,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836613406] [2024-11-10 19:01:30,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:01:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:30,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:30,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836613406] [2024-11-10 19:01:30,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836613406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:30,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871071830] [2024-11-10 19:01:30,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:30,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:30,200 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:30,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:01:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:30,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:30,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:01:30,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:30,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871071830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:30,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:30,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:01:30,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371216455] [2024-11-10 19:01:30,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:30,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:01:30,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:30,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:01:30,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:01:30,509 INFO L87 Difference]: Start difference. First operand 501 states and 619 transitions. Second operand has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 13 states have internal predecessors, (164), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 19:01:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:30,753 INFO L93 Difference]: Finished difference Result 1135 states and 1234 transitions. [2024-11-10 19:01:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:01:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 13 states have internal predecessors, (164), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 107 [2024-11-10 19:01:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:30,757 INFO L225 Difference]: With dead ends: 1135 [2024-11-10 19:01:30,757 INFO L226 Difference]: Without dead ends: 965 [2024-11-10 19:01:30,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:01:30,759 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 693 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:30,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 2405 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-11-10 19:01:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 720. [2024-11-10 19:01:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 566 states have (on average 1.6219081272084805) internal successors, (918), 677 states have internal predecessors, (918), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 998 transitions. [2024-11-10 19:01:30,781 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 998 transitions. Word has length 107 [2024-11-10 19:01:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:30,782 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 998 transitions. [2024-11-10 19:01:30,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 13 states have internal predecessors, (164), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 19:01:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 998 transitions. [2024-11-10 19:01:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:01:30,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:30,784 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:30,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:30,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:30,985 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:30,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1805123061, now seen corresponding path program 1 times [2024-11-10 19:01:30,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:30,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196006582] [2024-11-10 19:01:30,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:30,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:31,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270981104] [2024-11-10 19:01:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:31,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:31,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:31,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:31,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:01:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:31,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:31,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:31,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:01:31,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:31,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196006582] [2024-11-10 19:01:31,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:31,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270981104] [2024-11-10 19:01:31,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270981104] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:31,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:31,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:01:31,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737132528] [2024-11-10 19:01:31,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:31,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:31,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:31,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:31,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:01:31,344 INFO L87 Difference]: Start difference. First operand 720 states and 998 transitions. Second operand has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:01:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:31,553 INFO L93 Difference]: Finished difference Result 927 states and 1058 transitions. [2024-11-10 19:01:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:31,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 109 [2024-11-10 19:01:31,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:31,559 INFO L225 Difference]: With dead ends: 927 [2024-11-10 19:01:31,559 INFO L226 Difference]: Without dead ends: 921 [2024-11-10 19:01:31,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:01:31,560 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 993 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:31,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 947 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:01:31,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-11-10 19:01:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 715. [2024-11-10 19:01:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 566 states have (on average 1.598939929328622) internal successors, (905), 672 states have internal predecessors, (905), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 985 transitions. [2024-11-10 19:01:31,606 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 985 transitions. Word has length 109 [2024-11-10 19:01:31,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:31,606 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 985 transitions. [2024-11-10 19:01:31,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.0) internal successors, (160), 6 states have internal predecessors, (160), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:01:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 985 transitions. [2024-11-10 19:01:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:01:31,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:31,608 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:31,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:01:31,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:01:31,809 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:31,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:31,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1366848188, now seen corresponding path program 1 times [2024-11-10 19:01:31,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:31,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369897206] [2024-11-10 19:01:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:31,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773727558] [2024-11-10 19:01:31,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:31,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:31,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:31,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:31,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:01:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:31,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:01:31,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:32,183 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:01:32,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:32,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369897206] [2024-11-10 19:01:32,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:32,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773727558] [2024-11-10 19:01:32,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773727558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:32,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:32,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:01:32,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320865730] [2024-11-10 19:01:32,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:32,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:32,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:32,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:32,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:01:32,185 INFO L87 Difference]: Start difference. First operand 715 states and 985 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:32,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:32,889 INFO L93 Difference]: Finished difference Result 715 states and 985 transitions. [2024-11-10 19:01:32,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:32,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 130 [2024-11-10 19:01:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:32,894 INFO L225 Difference]: With dead ends: 715 [2024-11-10 19:01:32,894 INFO L226 Difference]: Without dead ends: 705 [2024-11-10 19:01:32,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:01:32,895 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 241 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:32,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 271 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-10 19:01:32,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2024-11-10 19:01:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 566 states have (on average 1.5459363957597174) internal successors, (875), 662 states have internal predecessors, (875), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 955 transitions. [2024-11-10 19:01:32,923 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 955 transitions. Word has length 130 [2024-11-10 19:01:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:32,923 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 955 transitions. [2024-11-10 19:01:32,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 955 transitions. [2024-11-10 19:01:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:01:32,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:32,925 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:32,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:01:33,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:01:33,125 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:33,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:33,126 INFO L85 PathProgramCache]: Analyzing trace with hash -577378909, now seen corresponding path program 1 times [2024-11-10 19:01:33,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:33,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065008814] [2024-11-10 19:01:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:33,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928061977] [2024-11-10 19:01:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:33,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:33,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:33,146 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:33,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:01:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:33,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:01:33,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:33,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:34,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065008814] [2024-11-10 19:01:34,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928061977] [2024-11-10 19:01:34,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928061977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:34,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:34,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:01:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616487412] [2024-11-10 19:01:34,843 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:34,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:34,844 INFO L87 Difference]: Start difference. First operand 705 states and 955 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:35,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:35,657 INFO L93 Difference]: Finished difference Result 758 states and 983 transitions. [2024-11-10 19:01:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:01:35,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 131 [2024-11-10 19:01:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:35,661 INFO L225 Difference]: With dead ends: 758 [2024-11-10 19:01:35,661 INFO L226 Difference]: Without dead ends: 735 [2024-11-10 19:01:35,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:35,663 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 134 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:35,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 439 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:01:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-10 19:01:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 717. [2024-11-10 19:01:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 578 states have (on average 1.5103806228373702) internal successors, (873), 673 states have internal predecessors, (873), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 953 transitions. [2024-11-10 19:01:35,692 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 953 transitions. Word has length 131 [2024-11-10 19:01:35,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:35,693 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 953 transitions. [2024-11-10 19:01:35,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:01:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 953 transitions. [2024-11-10 19:01:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:01:35,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:35,695 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:35,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:01:35,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 19:01:35,899 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:35,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash -718876774, now seen corresponding path program 1 times [2024-11-10 19:01:35,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:35,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625661494] [2024-11-10 19:01:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:35,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:01:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:01:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:01:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:36,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625661494] [2024-11-10 19:01:36,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625661494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617791548] [2024-11-10 19:01:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:36,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:36,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:36,037 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:36,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:01:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:36,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:36,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:36,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617791548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:36,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:36,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 19:01:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813950926] [2024-11-10 19:01:36,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:36,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:01:36,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:36,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:01:36,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:36,490 INFO L87 Difference]: Start difference. First operand 717 states and 953 transitions. Second operand has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:37,245 INFO L93 Difference]: Finished difference Result 761 states and 960 transitions. [2024-11-10 19:01:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 132 [2024-11-10 19:01:37,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:37,249 INFO L225 Difference]: With dead ends: 761 [2024-11-10 19:01:37,249 INFO L226 Difference]: Without dead ends: 756 [2024-11-10 19:01:37,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:01:37,249 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 340 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:37,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 658 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-10 19:01:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 716. [2024-11-10 19:01:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 578 states have (on average 1.4896193771626298) internal successors, (861), 672 states have internal predecessors, (861), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 941 transitions. [2024-11-10 19:01:37,277 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 941 transitions. Word has length 132 [2024-11-10 19:01:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:37,277 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 941 transitions. [2024-11-10 19:01:37,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 8 states have internal predecessors, (248), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 941 transitions. [2024-11-10 19:01:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 19:01:37,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:37,279 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:37,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:01:37,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:01:37,479 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:37,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -810343295, now seen corresponding path program 1 times [2024-11-10 19:01:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:37,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265971558] [2024-11-10 19:01:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:01:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:01:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:01:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:37,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:37,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265971558] [2024-11-10 19:01:37,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265971558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:37,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729680191] [2024-11-10 19:01:37,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:37,593 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:37,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:01:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:37,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:37,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:37,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:37,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729680191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:37,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:37,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-10 19:01:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031911872] [2024-11-10 19:01:37,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:37,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:01:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:01:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:37,995 INFO L87 Difference]: Start difference. First operand 716 states and 941 transitions. Second operand has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:38,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:38,545 INFO L93 Difference]: Finished difference Result 760 states and 948 transitions. [2024-11-10 19:01:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:38,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 133 [2024-11-10 19:01:38,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:38,549 INFO L225 Difference]: With dead ends: 760 [2024-11-10 19:01:38,549 INFO L226 Difference]: Without dead ends: 755 [2024-11-10 19:01:38,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:01:38,550 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 473 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:38,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 548 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:38,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-10 19:01:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 715. [2024-11-10 19:01:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 578 states have (on average 1.4688581314878892) internal successors, (849), 671 states have internal predecessors, (849), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:01:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 929 transitions. [2024-11-10 19:01:38,572 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 929 transitions. Word has length 133 [2024-11-10 19:01:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:38,573 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 929 transitions. [2024-11-10 19:01:38,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.714285714285715) internal successors, (250), 8 states have internal predecessors, (250), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-10 19:01:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 929 transitions. [2024-11-10 19:01:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 19:01:38,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:38,575 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:38,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:38,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:38,775 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:38,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:38,776 INFO L85 PathProgramCache]: Analyzing trace with hash 649161848, now seen corresponding path program 1 times [2024-11-10 19:01:38,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:38,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166213257] [2024-11-10 19:01:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:38,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:38,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542142103] [2024-11-10 19:01:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:38,797 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:38,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:01:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:38,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:01:38,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:39,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:01:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166213257] [2024-11-10 19:01:39,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542142103] [2024-11-10 19:01:39,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542142103] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:39,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:01:39,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 19:01:39,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71350797] [2024-11-10 19:01:39,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:39,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:01:39,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:39,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:01:39,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:39,578 INFO L87 Difference]: Start difference. First operand 715 states and 929 transitions. Second operand has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:01:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:46,355 INFO L93 Difference]: Finished difference Result 780 states and 961 transitions. [2024-11-10 19:01:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:01:46,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 134 [2024-11-10 19:01:46,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:46,357 INFO L225 Difference]: With dead ends: 780 [2024-11-10 19:01:46,358 INFO L226 Difference]: Without dead ends: 685 [2024-11-10 19:01:46,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:01:46,358 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 848 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:46,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 520 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-10 19:01:46,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-10 19:01:46,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 662. [2024-11-10 19:01:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 530 states have (on average 1.4358490566037736) internal successors, (761), 621 states have internal predecessors, (761), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 835 transitions. [2024-11-10 19:01:46,385 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 835 transitions. Word has length 134 [2024-11-10 19:01:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:46,385 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 835 transitions. [2024-11-10 19:01:46,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 21.11111111111111) internal successors, (190), 10 states have internal predecessors, (190), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:01:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 835 transitions. [2024-11-10 19:01:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 19:01:46,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:46,387 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:46,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:01:46,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:01:46,588 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:46,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1564946903, now seen corresponding path program 1 times [2024-11-10 19:01:46,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:46,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852973518] [2024-11-10 19:01:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:46,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:01:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:01:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:01:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:01:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:01:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 19:01:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:46,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:46,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852973518] [2024-11-10 19:01:46,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852973518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:46,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441378408] [2024-11-10 19:01:46,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:46,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:46,730 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:46,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:01:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:46,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:01:46,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:46,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441378408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:01:47,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:01:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 19:01:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943661830] [2024-11-10 19:01:47,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:47,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:01:47,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:01:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:01:47,080 INFO L87 Difference]: Start difference. First operand 662 states and 835 transitions. Second operand has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 19:01:47,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:47,625 INFO L93 Difference]: Finished difference Result 750 states and 860 transitions. [2024-11-10 19:01:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:01:47,626 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 179 [2024-11-10 19:01:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:47,640 INFO L225 Difference]: With dead ends: 750 [2024-11-10 19:01:47,641 INFO L226 Difference]: Without dead ends: 748 [2024-11-10 19:01:47,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:01:47,645 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 955 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:47,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 932 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:01:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-10 19:01:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 660. [2024-11-10 19:01:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 530 states have (on average 1.420754716981132) internal successors, (753), 619 states have internal predecessors, (753), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 827 transitions. [2024-11-10 19:01:47,671 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 827 transitions. Word has length 179 [2024-11-10 19:01:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:47,671 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 827 transitions. [2024-11-10 19:01:47,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 38.25) internal successors, (306), 9 states have internal predecessors, (306), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-10 19:01:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 827 transitions. [2024-11-10 19:01:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 19:01:47,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:47,673 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:47,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:01:47,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:01:47,875 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:47,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:47,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1268713605, now seen corresponding path program 1 times [2024-11-10 19:01:47,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:47,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885111439] [2024-11-10 19:01:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:47,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:47,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008022079] [2024-11-10 19:01:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:47,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:47,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:47,902 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:47,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:01:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:47,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:01:47,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:48,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:50,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:50,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885111439] [2024-11-10 19:01:50,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:50,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008022079] [2024-11-10 19:01:50,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008022079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:50,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:50,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:01:50,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116569237] [2024-11-10 19:01:50,062 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:50,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:01:50,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:50,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:01:50,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:50,063 INFO L87 Difference]: Start difference. First operand 660 states and 827 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:50,865 INFO L93 Difference]: Finished difference Result 661 states and 827 transitions. [2024-11-10 19:01:50,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:50,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 180 [2024-11-10 19:01:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:50,868 INFO L225 Difference]: With dead ends: 661 [2024-11-10 19:01:50,868 INFO L226 Difference]: Without dead ends: 660 [2024-11-10 19:01:50,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:50,869 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 36 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:50,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 487 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:01:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-10 19:01:50,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2024-11-10 19:01:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 530 states have (on average 1.4188679245283018) internal successors, (752), 619 states have internal predecessors, (752), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 826 transitions. [2024-11-10 19:01:50,894 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 826 transitions. Word has length 180 [2024-11-10 19:01:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:50,894 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 826 transitions. [2024-11-10 19:01:50,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 826 transitions. [2024-11-10 19:01:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 19:01:50,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:50,896 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:01:50,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:51,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:01:51,097 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:51,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:51,097 INFO L85 PathProgramCache]: Analyzing trace with hash 441518450, now seen corresponding path program 1 times [2024-11-10 19:01:51,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:51,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235993084] [2024-11-10 19:01:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:01:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:01:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:01:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:01:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:01:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:01:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:01:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:01:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:01:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:01:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-10 19:01:51,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:51,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235993084] [2024-11-10 19:01:51,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235993084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:01:51,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:01:51,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:01:51,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818150632] [2024-11-10 19:01:51,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:01:51,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:01:51,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:01:51,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:51,186 INFO L87 Difference]: Start difference. First operand 660 states and 826 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:51,850 INFO L93 Difference]: Finished difference Result 664 states and 826 transitions. [2024-11-10 19:01:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:01:51,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 179 [2024-11-10 19:01:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:51,853 INFO L225 Difference]: With dead ends: 664 [2024-11-10 19:01:51,853 INFO L226 Difference]: Without dead ends: 661 [2024-11-10 19:01:51,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:01:51,854 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 134 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:51,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 192 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-10 19:01:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 658. [2024-11-10 19:01:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 530 states have (on average 1.4075471698113207) internal successors, (746), 617 states have internal predecessors, (746), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 820 transitions. [2024-11-10 19:01:51,880 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 820 transitions. Word has length 179 [2024-11-10 19:01:51,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:51,881 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 820 transitions. [2024-11-10 19:01:51,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:01:51,881 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 820 transitions. [2024-11-10 19:01:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 19:01:51,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:51,883 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:51,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 19:01:51,883 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:51,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:51,884 INFO L85 PathProgramCache]: Analyzing trace with hash -675415961, now seen corresponding path program 1 times [2024-11-10 19:01:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:51,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505602144] [2024-11-10 19:01:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:51,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [486387927] [2024-11-10 19:01:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:51,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:51,910 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:51,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:01:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:51,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:01:52,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:52,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505602144] [2024-11-10 19:01:52,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:52,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486387927] [2024-11-10 19:01:52,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486387927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:52,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:52,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:01:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894907802] [2024-11-10 19:01:52,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:52,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:52,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:52,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:52,794 INFO L87 Difference]: Start difference. First operand 658 states and 820 transitions. Second operand has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:01:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:53,458 INFO L93 Difference]: Finished difference Result 669 states and 820 transitions. [2024-11-10 19:01:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:53,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 181 [2024-11-10 19:01:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:53,461 INFO L225 Difference]: With dead ends: 669 [2024-11-10 19:01:53,461 INFO L226 Difference]: Without dead ends: 668 [2024-11-10 19:01:53,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:53,462 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 71 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:53,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 574 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-10 19:01:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 658. [2024-11-10 19:01:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 530 states have (on average 1.4056603773584906) internal successors, (745), 617 states have internal predecessors, (745), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 819 transitions. [2024-11-10 19:01:53,486 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 819 transitions. Word has length 181 [2024-11-10 19:01:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:53,486 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 819 transitions. [2024-11-10 19:01:53,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.8) internal successors, (129), 6 states have internal predecessors, (129), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:01:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 819 transitions. [2024-11-10 19:01:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 19:01:53,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:53,488 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:53,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:01:53,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:53,692 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:53,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash 605014647, now seen corresponding path program 1 times [2024-11-10 19:01:53,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:53,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413274688] [2024-11-10 19:01:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:53,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145587767] [2024-11-10 19:01:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:53,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:53,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:53,723 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:53,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:01:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:53,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:01:53,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:54,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:55,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413274688] [2024-11-10 19:01:55,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145587767] [2024-11-10 19:01:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145587767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:55,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:55,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:01:55,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915598440] [2024-11-10 19:01:55,194 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:55,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:55,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:55,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:55,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:01:55,196 INFO L87 Difference]: Start difference. First operand 658 states and 819 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:55,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:55,907 INFO L93 Difference]: Finished difference Result 662 states and 819 transitions. [2024-11-10 19:01:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:01:55,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 184 [2024-11-10 19:01:55,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:55,909 INFO L225 Difference]: With dead ends: 662 [2024-11-10 19:01:55,910 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:01:55,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:01:55,910 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 30 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:55,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 433 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:01:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:01:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2024-11-10 19:01:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 530 states have (on average 1.3981132075471698) internal successors, (741), 617 states have internal predecessors, (741), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 815 transitions. [2024-11-10 19:01:55,932 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 815 transitions. Word has length 184 [2024-11-10 19:01:55,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:55,933 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 815 transitions. [2024-11-10 19:01:55,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 815 transitions. [2024-11-10 19:01:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 19:01:55,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:55,934 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:55,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:01:56,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:56,135 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:56,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1575584995, now seen corresponding path program 1 times [2024-11-10 19:01:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:56,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797059071] [2024-11-10 19:01:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:56,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493338341] [2024-11-10 19:01:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:56,170 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:56,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:01:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:56,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:01:56,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:01:56,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:57,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:57,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797059071] [2024-11-10 19:01:57,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:57,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493338341] [2024-11-10 19:01:57,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493338341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:57,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:57,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:01:57,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573342524] [2024-11-10 19:01:57,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:57,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:57,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:57,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:57,026 INFO L87 Difference]: Start difference. First operand 658 states and 815 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:01:57,598 INFO L93 Difference]: Finished difference Result 662 states and 815 transitions. [2024-11-10 19:01:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:01:57,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 185 [2024-11-10 19:01:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:01:57,601 INFO L225 Difference]: With dead ends: 662 [2024-11-10 19:01:57,601 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:01:57,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:01:57,602 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 46 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:01:57,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 521 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:01:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:01:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2024-11-10 19:01:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 530 states have (on average 1.390566037735849) internal successors, (737), 617 states have internal predecessors, (737), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:01:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 811 transitions. [2024-11-10 19:01:57,625 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 811 transitions. Word has length 185 [2024-11-10 19:01:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:01:57,625 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 811 transitions. [2024-11-10 19:01:57,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 19:01:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 811 transitions. [2024-11-10 19:01:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-10 19:01:57,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:01:57,627 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:01:57,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:01:57,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-10 19:01:57,828 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:01:57,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:01:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash 882758553, now seen corresponding path program 1 times [2024-11-10 19:01:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:01:57,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982088606] [2024-11-10 19:01:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:01:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:01:57,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [898123228] [2024-11-10 19:01:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:01:57,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:01:57,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:01:57,863 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:01:57,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:01:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:01:57,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:01:57,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:01:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:01:58,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:01:59,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:01:59,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982088606] [2024-11-10 19:01:59,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:01:59,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898123228] [2024-11-10 19:01:59,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898123228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:01:59,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:01:59,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:01:59,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871293601] [2024-11-10 19:01:59,278 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:01:59,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:01:59,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:01:59,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:01:59,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-11-10 19:01:59,279 INFO L87 Difference]: Start difference. First operand 658 states and 811 transitions. Second operand has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 19:02:00,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:00,121 INFO L93 Difference]: Finished difference Result 661 states and 811 transitions. [2024-11-10 19:02:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:02:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 203 [2024-11-10 19:02:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:00,124 INFO L225 Difference]: With dead ends: 661 [2024-11-10 19:02:00,124 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:02:00,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=73, Unknown=1, NotChecked=0, Total=110 [2024-11-10 19:02:00,125 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 19 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:00,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 474 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:02:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:02:00,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2024-11-10 19:02:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 530 states have (on average 1.3849056603773584) internal successors, (734), 617 states have internal predecessors, (734), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:02:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 808 transitions. [2024-11-10 19:02:00,146 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 808 transitions. Word has length 203 [2024-11-10 19:02:00,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:00,146 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 808 transitions. [2024-11-10 19:02:00,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 19:02:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 808 transitions. [2024-11-10 19:02:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 19:02:00,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:00,147 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:00,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:00,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:02:00,352 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:00,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:00,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1595711460, now seen corresponding path program 1 times [2024-11-10 19:02:00,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:00,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437445147] [2024-11-10 19:02:00,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:02:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:02:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:02:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:02:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:02:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:02:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:02:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:02:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:02:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:02:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 19:02:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 19:02:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:00,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:00,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437445147] [2024-11-10 19:02:00,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437445147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:00,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114432534] [2024-11-10 19:02:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:00,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:00,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:00,559 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:00,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:02:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:00,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:00,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:01,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:01,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114432534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:01,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:01,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-10 19:02:01,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112704376] [2024-11-10 19:02:01,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:01,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:02:01,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:01,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:02:01,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:01,469 INFO L87 Difference]: Start difference. First operand 658 states and 808 transitions. Second operand has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 19:02:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:02,888 INFO L93 Difference]: Finished difference Result 658 states and 808 transitions. [2024-11-10 19:02:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:02:02,889 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 204 [2024-11-10 19:02:02,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:02,891 INFO L225 Difference]: With dead ends: 658 [2024-11-10 19:02:02,891 INFO L226 Difference]: Without dead ends: 654 [2024-11-10 19:02:02,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:02:02,892 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 478 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:02,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 296 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:02:02,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-10 19:02:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2024-11-10 19:02:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 530 states have (on average 1.360377358490566) internal successors, (721), 613 states have internal predecessors, (721), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:02:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 795 transitions. [2024-11-10 19:02:02,916 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 795 transitions. Word has length 204 [2024-11-10 19:02:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:02,916 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 795 transitions. [2024-11-10 19:02:02,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 19:02:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 795 transitions. [2024-11-10 19:02:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-10 19:02:02,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:02,918 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:02,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:03,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:03,118 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:03,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1047315616, now seen corresponding path program 1 times [2024-11-10 19:02:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:03,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451498162] [2024-11-10 19:02:03,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:03,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759869875] [2024-11-10 19:02:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:03,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:03,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:03,148 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:03,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:02:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:03,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:02:03,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:03,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:03,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:03,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451498162] [2024-11-10 19:02:03,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:03,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759869875] [2024-11-10 19:02:03,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759869875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:03,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:03,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:02:03,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489931451] [2024-11-10 19:02:03,693 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:03,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:02:03,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:03,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:02:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:02:03,694 INFO L87 Difference]: Start difference. First operand 654 states and 795 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:04,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:04,182 INFO L93 Difference]: Finished difference Result 656 states and 795 transitions. [2024-11-10 19:02:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:02:04,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 208 [2024-11-10 19:02:04,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:04,184 INFO L225 Difference]: With dead ends: 656 [2024-11-10 19:02:04,184 INFO L226 Difference]: Without dead ends: 620 [2024-11-10 19:02:04,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:02:04,185 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 13 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:04,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 541 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:02:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-10 19:02:04,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2024-11-10 19:02:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 498 states have (on average 1.3795180722891567) internal successors, (687), 581 states have internal predecessors, (687), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:02:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 757 transitions. [2024-11-10 19:02:04,207 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 757 transitions. Word has length 208 [2024-11-10 19:02:04,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:04,207 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 757 transitions. [2024-11-10 19:02:04,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 757 transitions. [2024-11-10 19:02:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 19:02:04,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:04,208 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:04,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:02:04,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:04,409 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:04,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash 879299691, now seen corresponding path program 1 times [2024-11-10 19:02:04,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:04,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692593114] [2024-11-10 19:02:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050781179] [2024-11-10 19:02:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:04,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:04,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:04,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:02:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:04,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:02:04,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:02:04,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:04,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692593114] [2024-11-10 19:02:04,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:04,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050781179] [2024-11-10 19:02:04,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050781179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:04,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:04,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:02:04,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519620444] [2024-11-10 19:02:04,721 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:04,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:02:04,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:04,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:02:04,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:02:04,722 INFO L87 Difference]: Start difference. First operand 620 states and 757 transitions. Second operand has 5 states, 4 states have (on average 39.0) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:04,858 INFO L93 Difference]: Finished difference Result 707 states and 781 transitions. [2024-11-10 19:02:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:02:04,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.0) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 213 [2024-11-10 19:02:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:04,860 INFO L225 Difference]: With dead ends: 707 [2024-11-10 19:02:04,860 INFO L226 Difference]: Without dead ends: 706 [2024-11-10 19:02:04,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:02:04,861 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 186 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:04,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 837 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:02:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-10 19:02:04,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 620. [2024-11-10 19:02:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 498 states have (on average 1.3775100401606426) internal successors, (686), 581 states have internal predecessors, (686), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:02:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 756 transitions. [2024-11-10 19:02:04,881 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 756 transitions. Word has length 213 [2024-11-10 19:02:04,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:04,882 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 756 transitions. [2024-11-10 19:02:04,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.0) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:02:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 756 transitions. [2024-11-10 19:02:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-10 19:02:04,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:04,883 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:04,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:02:05,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:02:05,084 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:05,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1682949072, now seen corresponding path program 2 times [2024-11-10 19:02:05,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:05,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127264149] [2024-11-10 19:02:05,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:05,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681718924] [2024-11-10 19:02:05,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:05,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:05,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:05,123 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:05,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:02:05,215 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:05,215 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:05,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:02:05,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:05,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:06,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:06,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127264149] [2024-11-10 19:02:06,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:06,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681718924] [2024-11-10 19:02:06,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681718924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:06,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:06,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:02:06,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833522091] [2024-11-10 19:02:06,423 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:06,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:02:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:06,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:02:06,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:02:06,424 INFO L87 Difference]: Start difference. First operand 620 states and 756 transitions. Second operand has 9 states, 8 states have (on average 19.75) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:02:07,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:07,677 INFO L93 Difference]: Finished difference Result 662 states and 780 transitions. [2024-11-10 19:02:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:02:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 19.75) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 220 [2024-11-10 19:02:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:07,679 INFO L225 Difference]: With dead ends: 662 [2024-11-10 19:02:07,679 INFO L226 Difference]: Without dead ends: 640 [2024-11-10 19:02:07,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:02:07,680 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 124 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 668 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:02:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-10 19:02:07,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 628. [2024-11-10 19:02:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 506 states have (on average 1.3339920948616601) internal successors, (675), 588 states have internal predecessors, (675), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:02:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 745 transitions. [2024-11-10 19:02:07,698 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 745 transitions. Word has length 220 [2024-11-10 19:02:07,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:07,699 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 745 transitions. [2024-11-10 19:02:07,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 19.75) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 19:02:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 745 transitions. [2024-11-10 19:02:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 19:02:07,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:07,700 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:07,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:07,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:02:07,904 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:07,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:07,905 INFO L85 PathProgramCache]: Analyzing trace with hash -631813459, now seen corresponding path program 2 times [2024-11-10 19:02:07,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:07,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334609230] [2024-11-10 19:02:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:07,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:02:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:02:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:02:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:02:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:02:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:02:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:02:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:02:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:02:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:02:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 19:02:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:02:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 19:02:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:08,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:08,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334609230] [2024-11-10 19:02:08,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334609230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:08,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055380835] [2024-11-10 19:02:08,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:08,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:08,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:08,122 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:08,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:02:08,199 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:08,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:08,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:08,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:08,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:08,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055380835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:08,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:02:08,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:02:08,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920680241] [2024-11-10 19:02:08,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:08,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:02:08,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:08,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:02:08,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:08,891 INFO L87 Difference]: Start difference. First operand 628 states and 745 transitions. Second operand has 13 states, 12 states have (on average 36.416666666666664) internal successors, (437), 13 states have internal predecessors, (437), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:10,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:10,442 INFO L93 Difference]: Finished difference Result 628 states and 745 transitions. [2024-11-10 19:02:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:02:10,443 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 36.416666666666664) internal successors, (437), 13 states have internal predecessors, (437), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 221 [2024-11-10 19:02:10,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:10,445 INFO L225 Difference]: With dead ends: 628 [2024-11-10 19:02:10,445 INFO L226 Difference]: Without dead ends: 621 [2024-11-10 19:02:10,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:02:10,446 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 525 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:10,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 642 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:02:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-10 19:02:10,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2024-11-10 19:02:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 506 states have (on average 1.308300395256917) internal successors, (662), 581 states have internal predecessors, (662), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:02:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 732 transitions. [2024-11-10 19:02:10,465 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 732 transitions. Word has length 221 [2024-11-10 19:02:10,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:10,465 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 732 transitions. [2024-11-10 19:02:10,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 36.416666666666664) internal successors, (437), 13 states have internal predecessors, (437), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 732 transitions. [2024-11-10 19:02:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-10 19:02:10,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:10,467 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:10,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:10,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:02:10,667 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:10,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:10,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1888619470, now seen corresponding path program 2 times [2024-11-10 19:02:10,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:10,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198879950] [2024-11-10 19:02:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:02:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:02:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:02:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:02:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:02:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:02:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:02:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:02:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:02:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:02:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 19:02:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:02:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 19:02:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:10,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:10,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198879950] [2024-11-10 19:02:10,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198879950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:10,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464781530] [2024-11-10 19:02:10,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:10,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:10,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:10,872 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:10,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:02:10,949 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:10,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:10,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:02:10,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:11,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:11,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464781530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:11,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:02:11,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:02:11,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122567550] [2024-11-10 19:02:11,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:11,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:02:11,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:02:11,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:11,626 INFO L87 Difference]: Start difference. First operand 621 states and 732 transitions. Second operand has 13 states, 12 states have (on average 36.583333333333336) internal successors, (439), 13 states have internal predecessors, (439), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:12,976 INFO L93 Difference]: Finished difference Result 681 states and 777 transitions. [2024-11-10 19:02:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:02:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 36.583333333333336) internal successors, (439), 13 states have internal predecessors, (439), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 222 [2024-11-10 19:02:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:12,979 INFO L225 Difference]: With dead ends: 681 [2024-11-10 19:02:12,979 INFO L226 Difference]: Without dead ends: 679 [2024-11-10 19:02:12,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:02:12,980 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 513 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:12,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 636 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:02:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-10 19:02:12,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 646. [2024-11-10 19:02:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 528 states have (on average 1.2973484848484849) internal successors, (685), 603 states have internal predecessors, (685), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 19:02:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 761 transitions. [2024-11-10 19:02:12,998 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 761 transitions. Word has length 222 [2024-11-10 19:02:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:12,998 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 761 transitions. [2024-11-10 19:02:12,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 36.583333333333336) internal successors, (439), 13 states have internal predecessors, (439), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-10 19:02:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 761 transitions. [2024-11-10 19:02:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-10 19:02:12,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:12,999 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:13,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:02:13,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:02:13,200 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:13,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:13,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1807848596, now seen corresponding path program 1 times [2024-11-10 19:02:13,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:13,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488044681] [2024-11-10 19:02:13,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:02:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 19:02:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:02:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:02:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 19:02:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:02:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:02:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:02:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 19:02:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 19:02:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 19:02:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:02:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 19:02:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:13,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:13,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488044681] [2024-11-10 19:02:13,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488044681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:13,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405332889] [2024-11-10 19:02:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:13,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:13,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:13,436 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:13,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:02:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:13,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:02:13,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:14,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:14,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405332889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:14,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:14,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-10 19:02:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011526893] [2024-11-10 19:02:14,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:14,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:02:14,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:02:14,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:02:14,297 INFO L87 Difference]: Start difference. First operand 646 states and 761 transitions. Second operand has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-10 19:02:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:20,843 INFO L93 Difference]: Finished difference Result 653 states and 764 transitions. [2024-11-10 19:02:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:02:20,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 224 [2024-11-10 19:02:20,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:20,845 INFO L225 Difference]: With dead ends: 653 [2024-11-10 19:02:20,845 INFO L226 Difference]: Without dead ends: 641 [2024-11-10 19:02:20,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:02:20,846 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 840 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:20,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 727 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-10 19:02:20,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-10 19:02:20,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2024-11-10 19:02:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 530 states have (on average 1.269811320754717) internal successors, (673), 597 states have internal predecessors, (673), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 19:02:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 749 transitions. [2024-11-10 19:02:20,865 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 749 transitions. Word has length 224 [2024-11-10 19:02:20,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:20,865 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 749 transitions. [2024-11-10 19:02:20,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 29.0) internal successors, (290), 11 states have internal predecessors, (290), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-10 19:02:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 749 transitions. [2024-11-10 19:02:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 19:02:20,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:20,867 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:02:20,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:02:21,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:21,072 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:21,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:21,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1272579847, now seen corresponding path program 1 times [2024-11-10 19:02:21,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:21,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370174981] [2024-11-10 19:02:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:21,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:21,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464491196] [2024-11-10 19:02:21,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:21,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:21,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:21,100 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:21,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:02:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:02:21,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:02:21,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:21,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:02:22,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:22,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370174981] [2024-11-10 19:02:22,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:22,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464491196] [2024-11-10 19:02:22,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464491196] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:02:22,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:02:22,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-10 19:02:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051273707] [2024-11-10 19:02:22,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:22,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:02:22,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:02:22,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:02:22,308 INFO L87 Difference]: Start difference. First operand 641 states and 749 transitions. Second operand has 16 states, 15 states have (on average 21.733333333333334) internal successors, (326), 16 states have internal predecessors, (326), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:02:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:31,127 INFO L93 Difference]: Finished difference Result 1041 states and 1299 transitions. [2024-11-10 19:02:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:02:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 21.733333333333334) internal successors, (326), 16 states have internal predecessors, (326), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 227 [2024-11-10 19:02:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:31,129 INFO L225 Difference]: With dead ends: 1041 [2024-11-10 19:02:31,129 INFO L226 Difference]: Without dead ends: 957 [2024-11-10 19:02:31,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:02:31,131 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1467 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:31,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 1158 Invalid, 3444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-10 19:02:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-10 19:02:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 750. [2024-11-10 19:02:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 632 states have (on average 1.2895569620253164) internal successors, (815), 699 states have internal predecessors, (815), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:02:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 905 transitions. [2024-11-10 19:02:31,159 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 905 transitions. Word has length 227 [2024-11-10 19:02:31,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:02:31,159 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 905 transitions. [2024-11-10 19:02:31,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 21.733333333333334) internal successors, (326), 16 states have internal predecessors, (326), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-10 19:02:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 905 transitions. [2024-11-10 19:02:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-10 19:02:31,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:02:31,160 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:02:31,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:02:31,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:31,361 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-10 19:02:31,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:02:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1379540850, now seen corresponding path program 2 times [2024-11-10 19:02:31,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:02:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41881677] [2024-11-10 19:02:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:02:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:02:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:02:31,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775063821] [2024-11-10 19:02:31,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:02:31,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:02:31,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:02:31,397 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:02:31,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:02:31,486 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:02:31,486 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:02:31,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:02:31,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:02:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 19:02:32,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:02:32,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:02:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41881677] [2024-11-10 19:02:32,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:02:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775063821] [2024-11-10 19:02:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775063821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:02:32,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:02:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:02:32,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780406542] [2024-11-10 19:02:32,961 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:02:32,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:02:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:02:32,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:02:32,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:02:32,962 INFO L87 Difference]: Start difference. First operand 750 states and 905 transitions. Second operand has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:02:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:02:34,526 INFO L93 Difference]: Finished difference Result 751 states and 905 transitions. [2024-11-10 19:02:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:02:34,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 269 [2024-11-10 19:02:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:02:34,529 INFO L225 Difference]: With dead ends: 751 [2024-11-10 19:02:34,529 INFO L226 Difference]: Without dead ends: 749 [2024-11-10 19:02:34,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:02:34,534 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 670 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:02:34,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 230 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:02:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states.