./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/cohendiv-ll_unwindbound20.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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:21:36,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:21:36,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:21:36,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:21:36,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:21:37,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:21:37,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:21:37,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:21:37,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:21:37,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:21:37,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:21:37,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:21:37,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:21:37,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:21:37,019 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:21:37,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:21:37,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:21:37,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:21:37,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:21:37,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:21:37,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:21:37,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:21:37,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:21:37,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:21:37,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:21:37,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:21:37,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:21:37,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:21:37,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:21:37,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:21:37,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:21:37,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:21:37,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:21:37,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:21:37,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:37,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:21:37,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:21:37,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:21:37,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:21:37,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:21:37,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:21:37,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:21:37,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:21:37,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:21:37,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2024-11-17 04:21:37,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:21:37,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:21:37,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:21:37,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:21:37,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:21:37,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-11-17 04:21:38,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:21:38,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:21:38,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-11-17 04:21:38,965 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5fdc9ae/39783b49d37747cfb9ad315a892bfda3/FLAG876b06014 [2024-11-17 04:21:39,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5fdc9ae/39783b49d37747cfb9ad315a892bfda3 [2024-11-17 04:21:39,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:21:39,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:21:39,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:39,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:21:39,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:21:39,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3174dac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39, skipping insertion in model container [2024-11-17 04:21:39,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:21:39,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:39,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:21:39,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:39,663 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:21:39,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39 WrapperNode [2024-11-17 04:21:39,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:39,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:39,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:21:39,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:21:39,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,697 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-17 04:21:39,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:39,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:21:39,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:21:39,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:21:39,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,721 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]. [2024-11-17 04:21:39,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:21:39,731 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:21:39,731 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:21:39,731 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:21:39,732 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (1/1) ... [2024-11-17 04:21:39,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:39,763 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) [2024-11-17 04:21:39,766 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 [2024-11-17 04:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:21:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:21:39,872 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:21:39,873 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:21:40,176 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-17 04:21:40,177 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:21:40,199 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:21:40,200 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:21:40,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:40 BoogieIcfgContainer [2024-11-17 04:21:40,201 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:21:40,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:21:40,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:21:40,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:21:40,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:21:39" (1/3) ... [2024-11-17 04:21:40,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ede86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:40, skipping insertion in model container [2024-11-17 04:21:40,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:39" (2/3) ... [2024-11-17 04:21:40,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ede86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:40, skipping insertion in model container [2024-11-17 04:21:40,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:40" (3/3) ... [2024-11-17 04:21:40,213 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound20.c [2024-11-17 04:21:40,232 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:21:40,233 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-17 04:21:40,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:21:40,302 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;@75881bf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:21:40,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-17 04:21:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:21:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:40,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:40,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:40,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:40,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:40,316 INFO L85 PathProgramCache]: Analyzing trace with hash -390968034, now seen corresponding path program 1 times [2024-11-17 04:21:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:40,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806147324] [2024-11-17 04:21:40,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:40,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:40,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806147324] [2024-11-17 04:21:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806147324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:40,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:40,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76858568] [2024-11-17 04:21:40,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:40,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:21:40,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:40,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:21:40,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:21:40,497 INFO L87 Difference]: Start difference. First operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:40,521 INFO L93 Difference]: Finished difference Result 198 states and 230 transitions. [2024-11-17 04:21:40,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:21:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:21:40,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:40,529 INFO L225 Difference]: With dead ends: 198 [2024-11-17 04:21:40,529 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:21:40,532 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 [2024-11-17 04:21:40,535 INFO L432 NwaCegarLoop]: 109 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, 109 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 [2024-11-17 04:21:40,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:21:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-17 04:21:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.6981132075471699) internal successors, (90), 86 states have internal predecessors, (90), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:21:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-17 04:21:40,574 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 6 [2024-11-17 04:21:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:40,574 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-17 04:21:40,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-17 04:21:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:40,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:40,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:40,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:21:40,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:40,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:40,577 INFO L85 PathProgramCache]: Analyzing trace with hash -390938243, now seen corresponding path program 1 times [2024-11-17 04:21:40,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:40,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327940350] [2024-11-17 04:21:40,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:40,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327940350] [2024-11-17 04:21:40,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327940350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:40,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:40,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:40,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907547190] [2024-11-17 04:21:40,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:40,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:40,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:40,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:40,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:40,669 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:40,732 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2024-11-17 04:21:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:40,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:21:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:40,734 INFO L225 Difference]: With dead ends: 134 [2024-11-17 04:21:40,736 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 04:21:40,736 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 [2024-11-17 04:21:40,738 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:40,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 04:21:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-17 04:21:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.671641791044776) internal successors, (112), 101 states have internal predecessors, (112), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2024-11-17 04:21:40,771 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 6 [2024-11-17 04:21:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:40,772 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2024-11-17 04:21:40,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-17 04:21:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:21:40,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:40,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:40,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:21:40,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:40,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash 765816417, now seen corresponding path program 1 times [2024-11-17 04:21:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:40,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445608772] [2024-11-17 04:21:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:40,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:40,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:40,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445608772] [2024-11-17 04:21:40,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445608772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:40,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:40,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:40,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123683290] [2024-11-17 04:21:40,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:40,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:40,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:40,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:40,840 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:40,921 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2024-11-17 04:21:40,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:40,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:21:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:40,924 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:21:40,925 INFO L226 Difference]: Without dead ends: 111 [2024-11-17 04:21:40,925 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 [2024-11-17 04:21:40,926 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:40,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 283 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:40,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-17 04:21:40,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-17 04:21:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 101 states have internal predecessors, (110), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2024-11-17 04:21:40,937 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 7 [2024-11-17 04:21:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:40,938 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2024-11-17 04:21:40,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2024-11-17 04:21:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:21:40,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:40,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:40,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:21:40,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:40,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:40,940 INFO L85 PathProgramCache]: Analyzing trace with hash -429336967, now seen corresponding path program 1 times [2024-11-17 04:21:40,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:40,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407053184] [2024-11-17 04:21:40,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:40,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:40,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431124375] [2024-11-17 04:21:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:40,968 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) [2024-11-17 04:21:40,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:21:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:41,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:41,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:41,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407053184] [2024-11-17 04:21:41,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:41,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431124375] [2024-11-17 04:21:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431124375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:41,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:41,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:41,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390547344] [2024-11-17 04:21:41,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:41,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:41,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:41,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:41,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:41,063 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:41,165 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-17 04:21:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:41,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 04:21:41,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:41,166 INFO L225 Difference]: With dead ends: 126 [2024-11-17 04:21:41,166 INFO L226 Difference]: Without dead ends: 124 [2024-11-17 04:21:41,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:41,167 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:41,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-17 04:21:41,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2024-11-17 04:21:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 101 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2024-11-17 04:21:41,181 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 10 [2024-11-17 04:21:41,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:41,182 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2024-11-17 04:21:41,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-11-17 04:21:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:21:41,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:41,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:41,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:21:41,387 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 [2024-11-17 04:21:41,388 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:41,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash -395538071, now seen corresponding path program 1 times [2024-11-17 04:21:41,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:41,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120861118] [2024-11-17 04:21:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:41,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:41,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629550223] [2024-11-17 04:21:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:41,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:41,424 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) [2024-11-17 04:21:41,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:21:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:41,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:41,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:41,510 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:41,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:41,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120861118] [2024-11-17 04:21:41,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:41,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629550223] [2024-11-17 04:21:41,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629550223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:41,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:41,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:41,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218381721] [2024-11-17 04:21:41,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:41,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:41,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:41,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:41,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:41,514 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:41,699 INFO L93 Difference]: Finished difference Result 172 states and 195 transitions. [2024-11-17 04:21:41,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:41,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-17 04:21:41,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:41,701 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:21:41,701 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 04:21:41,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:41,702 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:41,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 152 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:41,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 04:21:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 142. [2024-11-17 04:21:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 127 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-17 04:21:41,718 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 17 [2024-11-17 04:21:41,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:41,718 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-17 04:21:41,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-17 04:21:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:21:41,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:41,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:41,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:21:41,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:41,925 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:41,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:41,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2140004711, now seen corresponding path program 1 times [2024-11-17 04:21:41,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:41,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978193424] [2024-11-17 04:21:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:41,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720925879] [2024-11-17 04:21:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:41,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:41,963 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) [2024-11-17 04:21:41,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:21:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:42,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:42,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:42,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:42,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978193424] [2024-11-17 04:21:42,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720925879] [2024-11-17 04:21:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720925879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:42,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:42,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:42,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686673820] [2024-11-17 04:21:42,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:42,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:42,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:42,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:42,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:42,149 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:42,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:42,362 INFO L93 Difference]: Finished difference Result 164 states and 184 transitions. [2024-11-17 04:21:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:42,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-17 04:21:42,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:42,364 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:42,364 INFO L226 Difference]: Without dead ends: 161 [2024-11-17 04:21:42,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:42,365 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 197 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:42,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:42,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-17 04:21:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-17 04:21:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 95 states have (on average 1.5894736842105264) internal successors, (151), 128 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2024-11-17 04:21:42,380 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 19 [2024-11-17 04:21:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:42,380 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2024-11-17 04:21:42,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-17 04:21:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:21:42,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:42,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:42,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:42,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:42,587 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:42,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:42,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1915636647, now seen corresponding path program 1 times [2024-11-17 04:21:42,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:42,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677059072] [2024-11-17 04:21:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:42,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:42,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743707110] [2024-11-17 04:21:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:42,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:42,623 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) [2024-11-17 04:21:42,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:21:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:42,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:42,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:42,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:42,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:42,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677059072] [2024-11-17 04:21:42,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:42,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743707110] [2024-11-17 04:21:42,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743707110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:42,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:42,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:42,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272591866] [2024-11-17 04:21:42,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:42,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:42,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:42,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:42,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:42,741 INFO L87 Difference]: Start difference. First operand 143 states and 175 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:42,907 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2024-11-17 04:21:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:42,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-17 04:21:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:42,909 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:42,910 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:21:42,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:42,910 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:42,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:21:42,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2024-11-17 04:21:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.576086956521739) internal successors, (145), 125 states have internal predecessors, (145), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-11-17 04:21:42,937 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 20 [2024-11-17 04:21:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:42,937 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-11-17 04:21:42,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:42,941 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-11-17 04:21:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:21:42,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:42,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:42,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:21:43,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:43,144 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1418721612, now seen corresponding path program 1 times [2024-11-17 04:21:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408024372] [2024-11-17 04:21:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:43,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:43,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408024372] [2024-11-17 04:21:43,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408024372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:43,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:43,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531013674] [2024-11-17 04:21:43,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:43,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:43,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:43,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:43,307 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:43,386 INFO L93 Difference]: Finished difference Result 140 states and 169 transitions. [2024-11-17 04:21:43,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:43,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-17 04:21:43,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:43,390 INFO L225 Difference]: With dead ends: 140 [2024-11-17 04:21:43,390 INFO L226 Difference]: Without dead ends: 138 [2024-11-17 04:21:43,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:43,392 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 91 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:43,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 259 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-17 04:21:43,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-17 04:21:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 92 states have (on average 1.5434782608695652) internal successors, (142), 123 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-17 04:21:43,411 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 28 [2024-11-17 04:21:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:43,412 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-17 04:21:43,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-11-17 04:21:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:21:43,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:43,413 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:43,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:21:43,414 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1030697047, now seen corresponding path program 1 times [2024-11-17 04:21:43,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360036583] [2024-11-17 04:21:43,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:43,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:43,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360036583] [2024-11-17 04:21:43,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360036583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:43,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:43,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:43,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371638384] [2024-11-17 04:21:43,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:43,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:43,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:43,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:43,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:43,572 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:43,653 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2024-11-17 04:21:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:43,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-17 04:21:43,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:43,655 INFO L225 Difference]: With dead ends: 231 [2024-11-17 04:21:43,655 INFO L226 Difference]: Without dead ends: 143 [2024-11-17 04:21:43,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:43,659 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 14 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:43,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 439 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-17 04:21:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-17 04:21:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 128 states have internal predecessors, (147), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-17 04:21:43,671 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 29 [2024-11-17 04:21:43,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:43,671 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-17 04:21:43,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-17 04:21:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:21:43,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:43,673 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:43,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:21:43,674 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,674 INFO L85 PathProgramCache]: Analyzing trace with hash 774561800, now seen corresponding path program 1 times [2024-11-17 04:21:43,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488958837] [2024-11-17 04:21:43,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228885087] [2024-11-17 04:21:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:43,695 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) [2024-11-17 04:21:43,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:21:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:43,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:43,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:43,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488958837] [2024-11-17 04:21:43,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228885087] [2024-11-17 04:21:43,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228885087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:43,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:43,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:43,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932052664] [2024-11-17 04:21:43,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:43,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:43,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:43,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:43,838 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:44,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:44,086 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2024-11-17 04:21:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:44,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-17 04:21:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:44,088 INFO L225 Difference]: With dead ends: 223 [2024-11-17 04:21:44,088 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:44,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:44,089 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 129 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:44,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 105 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:44,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 198. [2024-11-17 04:21:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 144 states have (on average 1.5277777777777777) internal successors, (220), 175 states have internal predecessors, (220), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2024-11-17 04:21:44,110 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 32 [2024-11-17 04:21:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:44,111 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2024-11-17 04:21:44,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2024-11-17 04:21:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:21:44,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:44,112 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:44,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:21:44,316 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,SelfDestructingSolverStorable9 [2024-11-17 04:21:44,317 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:44,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:44,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1758387948, now seen corresponding path program 1 times [2024-11-17 04:21:44,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:44,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97811529] [2024-11-17 04:21:44,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:44,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270325580] [2024-11-17 04:21:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:44,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:44,335 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) [2024-11-17 04:21:44,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:21:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:44,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:44,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:44,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:44,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97811529] [2024-11-17 04:21:44,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:44,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270325580] [2024-11-17 04:21:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270325580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:44,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747027277] [2024-11-17 04:21:44,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:44,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:44,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:44,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:44,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:44,444 INFO L87 Difference]: Start difference. First operand 198 states and 260 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:44,595 INFO L93 Difference]: Finished difference Result 221 states and 285 transitions. [2024-11-17 04:21:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:44,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-17 04:21:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:44,597 INFO L225 Difference]: With dead ends: 221 [2024-11-17 04:21:44,597 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:44,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:44,598 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 96 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:44,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 117 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:44,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2024-11-17 04:21:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 145 states have (on average 1.4965517241379311) internal successors, (217), 176 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 257 transitions. [2024-11-17 04:21:44,611 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 257 transitions. Word has length 33 [2024-11-17 04:21:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:44,612 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 257 transitions. [2024-11-17 04:21:44,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 257 transitions. [2024-11-17 04:21:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:21:44,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:44,613 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] [2024-11-17 04:21:44,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:21:44,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:44,814 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:44,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1584173418, now seen corresponding path program 1 times [2024-11-17 04:21:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:44,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019755488] [2024-11-17 04:21:44,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:44,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019755488] [2024-11-17 04:21:44,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019755488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:44,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:44,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877951118] [2024-11-17 04:21:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:44,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:44,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:44,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:44,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:44,913 INFO L87 Difference]: Start difference. First operand 199 states and 257 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:45,368 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2024-11-17 04:21:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:45,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-11-17 04:21:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:45,370 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:45,370 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:45,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:45,371 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 148 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:45,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 98 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:45,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 203. [2024-11-17 04:21:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.4697986577181208) internal successors, (219), 180 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-17 04:21:45,384 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 53 [2024-11-17 04:21:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:45,384 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-17 04:21:45,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-17 04:21:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:21:45,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:45,386 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] [2024-11-17 04:21:45,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:21:45,387 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:45,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1864735715, now seen corresponding path program 1 times [2024-11-17 04:21:45,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:45,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130370438] [2024-11-17 04:21:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:45,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130370438] [2024-11-17 04:21:45,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130370438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:45,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:45,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:45,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693400065] [2024-11-17 04:21:45,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:45,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:45,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:45,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:45,484 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:45,640 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2024-11-17 04:21:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:45,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-17 04:21:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:45,642 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:45,642 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:45,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:45,643 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 145 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:45,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 100 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:45,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:45,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2024-11-17 04:21:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4503311258278146) internal successors, (219), 182 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 259 transitions. [2024-11-17 04:21:45,656 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 259 transitions. Word has length 54 [2024-11-17 04:21:45,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:45,656 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 259 transitions. [2024-11-17 04:21:45,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2024-11-17 04:21:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:45,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:45,658 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] [2024-11-17 04:21:45,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:21:45,658 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:45,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:45,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660014, now seen corresponding path program 1 times [2024-11-17 04:21:45,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:45,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741610154] [2024-11-17 04:21:45,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:45,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:45,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741610154] [2024-11-17 04:21:45,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741610154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:45,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:45,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:45,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411618181] [2024-11-17 04:21:45,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:45,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:45,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:45,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:45,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:45,723 INFO L87 Difference]: Start difference. First operand 205 states and 259 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:45,787 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-17 04:21:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:45,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-17 04:21:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:45,789 INFO L225 Difference]: With dead ends: 213 [2024-11-17 04:21:45,789 INFO L226 Difference]: Without dead ends: 212 [2024-11-17 04:21:45,790 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 [2024-11-17 04:21:45,791 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:45,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-17 04:21:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 205. [2024-11-17 04:21:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4437086092715232) internal successors, (218), 182 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 258 transitions. [2024-11-17 04:21:45,808 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 258 transitions. Word has length 56 [2024-11-17 04:21:45,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:45,809 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 258 transitions. [2024-11-17 04:21:45,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2024-11-17 04:21:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:45,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:45,812 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] [2024-11-17 04:21:45,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:21:45,812 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:45,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660064, now seen corresponding path program 1 times [2024-11-17 04:21:45,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:45,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188690249] [2024-11-17 04:21:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:45,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:45,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188690249] [2024-11-17 04:21:45,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188690249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:45,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:45,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:45,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209014552] [2024-11-17 04:21:45,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:45,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:45,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:45,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:45,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:45,988 INFO L87 Difference]: Start difference. First operand 205 states and 258 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, (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) [2024-11-17 04:21:46,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,061 INFO L93 Difference]: Finished difference Result 205 states and 258 transitions. [2024-11-17 04:21:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:46,063 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, (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 56 [2024-11-17 04:21:46,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,064 INFO L225 Difference]: With dead ends: 205 [2024-11-17 04:21:46,064 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 04:21:46,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:46,065 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 70 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 68 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 04:21:46,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-17 04:21:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.4172185430463575) internal successors, (214), 181 states have internal predecessors, (214), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-11-17 04:21:46,080 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 56 [2024-11-17 04:21:46,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:46,081 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-11-17 04:21:46,081 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, (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) [2024-11-17 04:21:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-11-17 04:21:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:46,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:46,083 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] [2024-11-17 04:21:46,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:21:46,084 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1234689350, now seen corresponding path program 1 times [2024-11-17 04:21:46,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029116441] [2024-11-17 04:21:46,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:46,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:46,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029116441] [2024-11-17 04:21:46,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029116441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:46,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:46,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526368291] [2024-11-17 04:21:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:46,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:46,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:46,168 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-17 04:21:46,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,276 INFO L93 Difference]: Finished difference Result 326 states and 412 transitions. [2024-11-17 04:21:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 57 [2024-11-17 04:21:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,279 INFO L225 Difference]: With dead ends: 326 [2024-11-17 04:21:46,279 INFO L226 Difference]: Without dead ends: 325 [2024-11-17 04:21:46,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:46,280 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 211 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 231 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:46,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-17 04:21:46,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 292. [2024-11-17 04:21:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 259 states have internal predecessors, (334), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:21:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 394 transitions. [2024-11-17 04:21:46,297 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 394 transitions. Word has length 57 [2024-11-17 04:21:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:46,298 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 394 transitions. [2024-11-17 04:21:46,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-17 04:21:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 394 transitions. [2024-11-17 04:21:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:46,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:46,299 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] [2024-11-17 04:21:46,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:21:46,300 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1234690919, now seen corresponding path program 1 times [2024-11-17 04:21:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510514919] [2024-11-17 04:21:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:46,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:46,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510514919] [2024-11-17 04:21:46,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510514919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:46,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:46,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:46,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129717727] [2024-11-17 04:21:46,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:46,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:46,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:46,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:46,393 INFO L87 Difference]: Start difference. First operand 292 states and 394 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,889 INFO L93 Difference]: Finished difference Result 413 states and 553 transitions. [2024-11-17 04:21:46,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:46,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-17 04:21:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,891 INFO L225 Difference]: With dead ends: 413 [2024-11-17 04:21:46,892 INFO L226 Difference]: Without dead ends: 412 [2024-11-17 04:21:46,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:46,893 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 355 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 302 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-17 04:21:46,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 370. [2024-11-17 04:21:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 297 states have (on average 1.4511784511784511) internal successors, (431), 327 states have internal predecessors, (431), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 511 transitions. [2024-11-17 04:21:46,918 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 511 transitions. Word has length 57 [2024-11-17 04:21:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:46,918 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 511 transitions. [2024-11-17 04:21:46,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 511 transitions. [2024-11-17 04:21:46,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:21:46,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:46,920 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] [2024-11-17 04:21:46,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:21:46,920 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1125491236, now seen corresponding path program 1 times [2024-11-17 04:21:46,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680976048] [2024-11-17 04:21:46,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:47,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:47,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680976048] [2024-11-17 04:21:47,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680976048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:47,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:47,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:47,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849459149] [2024-11-17 04:21:47,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:47,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:47,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:47,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:47,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:47,008 INFO L87 Difference]: Start difference. First operand 370 states and 511 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:47,171 INFO L93 Difference]: Finished difference Result 403 states and 538 transitions. [2024-11-17 04:21:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:47,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-17 04:21:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:47,174 INFO L225 Difference]: With dead ends: 403 [2024-11-17 04:21:47,174 INFO L226 Difference]: Without dead ends: 401 [2024-11-17 04:21:47,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:47,175 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:47,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:47,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-17 04:21:47,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 375. [2024-11-17 04:21:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 302 states have (on average 1.4437086092715232) internal successors, (436), 332 states have internal predecessors, (436), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 516 transitions. [2024-11-17 04:21:47,197 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 516 transitions. Word has length 59 [2024-11-17 04:21:47,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:47,198 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 516 transitions. [2024-11-17 04:21:47,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 516 transitions. [2024-11-17 04:21:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:21:47,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:47,199 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] [2024-11-17 04:21:47,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:21:47,199 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:47,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:47,200 INFO L85 PathProgramCache]: Analyzing trace with hash 261576157, now seen corresponding path program 1 times [2024-11-17 04:21:47,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:47,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738257971] [2024-11-17 04:21:47,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:47,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:47,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738257971] [2024-11-17 04:21:47,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738257971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:47,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379886492] [2024-11-17 04:21:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:47,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:47,303 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) [2024-11-17 04:21:47,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:21:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:21:47,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:47,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:47,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379886492] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:47,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:21:47,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-17 04:21:47,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731407921] [2024-11-17 04:21:47,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:47,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:47,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:21:47,601 INFO L87 Difference]: Start difference. First operand 375 states and 516 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:47,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:47,743 INFO L93 Difference]: Finished difference Result 416 states and 547 transitions. [2024-11-17 04:21:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:47,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-17 04:21:47,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:47,745 INFO L225 Difference]: With dead ends: 416 [2024-11-17 04:21:47,746 INFO L226 Difference]: Without dead ends: 414 [2024-11-17 04:21:47,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:21:47,747 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 125 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:47,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 416 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-17 04:21:47,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 383. [2024-11-17 04:21:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 338 states have internal predecessors, (434), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2024-11-17 04:21:47,768 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 64 [2024-11-17 04:21:47,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:47,768 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2024-11-17 04:21:47,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2024-11-17 04:21:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:21:47,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:47,769 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] [2024-11-17 04:21:47,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:21:47,970 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 [2024-11-17 04:21:47,970 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:47,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:47,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1544678673, now seen corresponding path program 1 times [2024-11-17 04:21:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368110718] [2024-11-17 04:21:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368110718] [2024-11-17 04:21:48,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368110718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:48,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144832538] [2024-11-17 04:21:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:48,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:48,095 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) [2024-11-17 04:21:48,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:21:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:21:48,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:48,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:48,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144832538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:21:48,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:21:48,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-17 04:21:48,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473909086] [2024-11-17 04:21:48,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:21:48,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:21:48,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:21:48,360 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:48,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,586 INFO L93 Difference]: Finished difference Result 706 states and 895 transitions. [2024-11-17 04:21:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:21:48,586 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 67 [2024-11-17 04:21:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,589 INFO L225 Difference]: With dead ends: 706 [2024-11-17 04:21:48,589 INFO L226 Difference]: Without dead ends: 532 [2024-11-17 04:21:48,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:21:48,591 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 125 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:48,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 672 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:48,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-17 04:21:48,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 481. [2024-11-17 04:21:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 424 states have internal predecessors, (541), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:21:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 641 transitions. [2024-11-17 04:21:48,626 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 641 transitions. Word has length 67 [2024-11-17 04:21:48,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,627 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 641 transitions. [2024-11-17 04:21:48,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:48,627 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 641 transitions. [2024-11-17 04:21:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:21:48,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,628 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:48,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:21:48,828 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 [2024-11-17 04:21:48,829 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1295011301, now seen corresponding path program 1 times [2024-11-17 04:21:48,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362681109] [2024-11-17 04:21:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:48,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145586706] [2024-11-17 04:21:48,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:48,851 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) [2024-11-17 04:21:48,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:21:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:48,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:49,248 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:49,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362681109] [2024-11-17 04:21:49,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:49,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145586706] [2024-11-17 04:21:49,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145586706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:21:49,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222266349] [2024-11-17 04:21:49,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:49,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:49,250 INFO L87 Difference]: Start difference. First operand 481 states and 641 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,681 INFO L93 Difference]: Finished difference Result 702 states and 943 transitions. [2024-11-17 04:21:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-17 04:21:49,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,685 INFO L225 Difference]: With dead ends: 702 [2024-11-17 04:21:49,685 INFO L226 Difference]: Without dead ends: 693 [2024-11-17 04:21:49,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:49,686 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 284 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 210 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:49,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-17 04:21:49,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 658. [2024-11-17 04:21:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 549 states have (on average 1.355191256830601) internal successors, (744), 581 states have internal predecessors, (744), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:21:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 884 transitions. [2024-11-17 04:21:49,728 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 884 transitions. Word has length 74 [2024-11-17 04:21:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,728 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 884 transitions. [2024-11-17 04:21:49,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:49,729 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 884 transitions. [2024-11-17 04:21:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:21:49,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,729 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:49,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:21:49,933 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 [2024-11-17 04:21:49,934 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:49,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:49,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1490644717, now seen corresponding path program 1 times [2024-11-17 04:21:49,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:49,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735085593] [2024-11-17 04:21:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:49,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755720230] [2024-11-17 04:21:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:49,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:49,953 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) [2024-11-17 04:21:49,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:21:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:50,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:50,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:50,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:50,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735085593] [2024-11-17 04:21:50,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:50,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755720230] [2024-11-17 04:21:50,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755720230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:50,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:50,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:21:50,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830979060] [2024-11-17 04:21:50,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:50,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:50,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:50,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:50,957 INFO L87 Difference]: Start difference. First operand 658 states and 884 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:51,311 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-17 04:21:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:51,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-17 04:21:51,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:51,315 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:21:51,315 INFO L226 Difference]: Without dead ends: 736 [2024-11-17 04:21:51,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:21:51,316 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 164 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:51,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 272 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:51,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-17 04:21:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-17 04:21:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 580 states have (on average 1.353448275862069) internal successors, (785), 611 states have internal predecessors, (785), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:21:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 933 transitions. [2024-11-17 04:21:51,355 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 933 transitions. Word has length 75 [2024-11-17 04:21:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:51,355 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 933 transitions. [2024-11-17 04:21:51,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 933 transitions. [2024-11-17 04:21:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:21:51,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:51,356 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:51,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:51,557 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 [2024-11-17 04:21:51,558 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:51,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1034653981, now seen corresponding path program 1 times [2024-11-17 04:21:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417610719] [2024-11-17 04:21:51,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:21:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:51,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:51,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417610719] [2024-11-17 04:21:51,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417610719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:51,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:51,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:51,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088951503] [2024-11-17 04:21:51,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:51,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:51,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:51,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:51,639 INFO L87 Difference]: Start difference. First operand 693 states and 933 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,083 INFO L93 Difference]: Finished difference Result 997 states and 1367 transitions. [2024-11-17 04:21:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:53,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:21:53,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,090 INFO L225 Difference]: With dead ends: 997 [2024-11-17 04:21:53,090 INFO L226 Difference]: Without dead ends: 994 [2024-11-17 04:21:53,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:53,091 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 164 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 263 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:21:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-17 04:21:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 712. [2024-11-17 04:21:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 596 states have (on average 1.3406040268456376) internal successors, (799), 626 states have internal predecessors, (799), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:21:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 955 transitions. [2024-11-17 04:21:53,147 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 955 transitions. Word has length 76 [2024-11-17 04:21:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,147 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 955 transitions. [2024-11-17 04:21:53,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 955 transitions. [2024-11-17 04:21:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:21:53,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,148 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:53,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 04:21:53,149 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,149 INFO L85 PathProgramCache]: Analyzing trace with hash 140306085, now seen corresponding path program 1 times [2024-11-17 04:21:53,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201048062] [2024-11-17 04:21:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:53,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46772886] [2024-11-17 04:21:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:53,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:53,172 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) [2024-11-17 04:21:53,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:21:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:21:53,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:53,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:53,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201048062] [2024-11-17 04:21:53,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46772886] [2024-11-17 04:21:53,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46772886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:53,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:53,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:21:53,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294840415] [2024-11-17 04:21:53,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:53,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:53,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:53,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:53,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:53,426 INFO L87 Difference]: Start difference. First operand 712 states and 955 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,741 INFO L93 Difference]: Finished difference Result 735 states and 991 transitions. [2024-11-17 04:21:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:53,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:21:53,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,745 INFO L225 Difference]: With dead ends: 735 [2024-11-17 04:21:53,745 INFO L226 Difference]: Without dead ends: 731 [2024-11-17 04:21:53,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:53,746 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 120 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 277 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-17 04:21:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 708. [2024-11-17 04:21:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 596 states have (on average 1.3187919463087248) internal successors, (786), 622 states have internal predecessors, (786), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:21:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 942 transitions. [2024-11-17 04:21:53,786 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 942 transitions. Word has length 76 [2024-11-17 04:21:53,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,786 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 942 transitions. [2024-11-17 04:21:53,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 942 transitions. [2024-11-17 04:21:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:21:53,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,787 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:53,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:21:53,991 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,SelfDestructingSolverStorable23 [2024-11-17 04:21:53,992 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2009502293, now seen corresponding path program 1 times [2024-11-17 04:21:53,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221925071] [2024-11-17 04:21:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:54,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005809537] [2024-11-17 04:21:54,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:54,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:54,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:54,015 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) [2024-11-17 04:21:54,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:21:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:21:54,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:54,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:58,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:58,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221925071] [2024-11-17 04:21:58,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:58,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005809537] [2024-11-17 04:21:58,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005809537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:58,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:58,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:21:58,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943628111] [2024-11-17 04:21:58,631 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:58,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:58,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:58,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:58,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-11-17 04:21:58,632 INFO L87 Difference]: Start difference. First operand 708 states and 942 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:59,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:59,187 INFO L93 Difference]: Finished difference Result 739 states and 962 transitions. [2024-11-17 04:21:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:59,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:21:59,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:59,191 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:21:59,191 INFO L226 Difference]: Without dead ends: 732 [2024-11-17 04:21:59,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2024-11-17 04:21:59,192 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 300 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:59,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 267 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:21:59,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-17 04:21:59,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 706. [2024-11-17 04:21:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 594 states have (on average 1.3131313131313131) internal successors, (780), 620 states have internal predecessors, (780), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:21:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 936 transitions. [2024-11-17 04:21:59,241 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 936 transitions. Word has length 77 [2024-11-17 04:21:59,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:59,242 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 936 transitions. [2024-11-17 04:21:59,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 936 transitions. [2024-11-17 04:21:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:21:59,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:59,244 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:59,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:21:59,447 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,SelfDestructingSolverStorable24 [2024-11-17 04:21:59,448 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:59,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 54521367, now seen corresponding path program 1 times [2024-11-17 04:21:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278879123] [2024-11-17 04:21:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:59,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:59,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757819921] [2024-11-17 04:21:59,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:59,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:59,465 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) [2024-11-17 04:21:59,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:21:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:21:59,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:59,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:00,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278879123] [2024-11-17 04:22:00,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757819921] [2024-11-17 04:22:00,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757819921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:00,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:00,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:22:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49851677] [2024-11-17 04:22:00,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:00,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:00,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:00,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:00,013 INFO L87 Difference]: Start difference. First operand 706 states and 936 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:00,330 INFO L93 Difference]: Finished difference Result 1118 states and 1542 transitions. [2024-11-17 04:22:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:22:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:00,336 INFO L225 Difference]: With dead ends: 1118 [2024-11-17 04:22:00,336 INFO L226 Difference]: Without dead ends: 1114 [2024-11-17 04:22:00,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:00,337 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 178 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:00,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 306 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-17 04:22:00,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 885. [2024-11-17 04:22:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 753 states have (on average 1.3173970783532536) internal successors, (992), 778 states have internal predecessors, (992), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 04:22:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1188 transitions. [2024-11-17 04:22:00,397 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1188 transitions. Word has length 77 [2024-11-17 04:22:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:00,397 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1188 transitions. [2024-11-17 04:22:00,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1188 transitions. [2024-11-17 04:22:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 04:22:00,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:00,398 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:00,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:22:00,599 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,SelfDestructingSolverStorable25 [2024-11-17 04:22:00,599 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:00,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash -639779091, now seen corresponding path program 1 times [2024-11-17 04:22:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269959967] [2024-11-17 04:22:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:00,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:00,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269959967] [2024-11-17 04:22:00,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269959967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:00,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949744136] [2024-11-17 04:22:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:00,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:00,696 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) [2024-11-17 04:22:00,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:22:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:00,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:00,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:00,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949744136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:00,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:00,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 04:22:00,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11524966] [2024-11-17 04:22:00,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:00,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:22:00,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:00,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:22:00,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:00,971 INFO L87 Difference]: Start difference. First operand 885 states and 1188 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:01,997 INFO L93 Difference]: Finished difference Result 1480 states and 2044 transitions. [2024-11-17 04:22:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:01,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 97 [2024-11-17 04:22:01,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:02,004 INFO L225 Difference]: With dead ends: 1480 [2024-11-17 04:22:02,004 INFO L226 Difference]: Without dead ends: 1478 [2024-11-17 04:22:02,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:02,005 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 274 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:02,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 446 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:22:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-17 04:22:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1166. [2024-11-17 04:22:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 993 states have (on average 1.3212487411883183) internal successors, (1312), 1017 states have internal predecessors, (1312), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1592 transitions. [2024-11-17 04:22:02,091 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1592 transitions. Word has length 97 [2024-11-17 04:22:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:02,091 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1592 transitions. [2024-11-17 04:22:02,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1592 transitions. [2024-11-17 04:22:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:22:02,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:02,092 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:02,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:22:02,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:02,294 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:02,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:02,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1641684672, now seen corresponding path program 1 times [2024-11-17 04:22:02,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:02,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39835821] [2024-11-17 04:22:02,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:02,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:02,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:02,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39835821] [2024-11-17 04:22:02,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39835821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:02,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308528710] [2024-11-17 04:22:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:02,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:02,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:02,401 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) [2024-11-17 04:22:02,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:22:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:02,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:02,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:02,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:02,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308528710] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:02,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:02,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-17 04:22:02,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300344502] [2024-11-17 04:22:02,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:02,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:02,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:02,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:02,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:02,682 INFO L87 Difference]: Start difference. First operand 1166 states and 1592 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:03,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:03,665 INFO L93 Difference]: Finished difference Result 1516 states and 2057 transitions. [2024-11-17 04:22:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:03,666 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-11-17 04:22:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:03,672 INFO L225 Difference]: With dead ends: 1516 [2024-11-17 04:22:03,672 INFO L226 Difference]: Without dead ends: 1514 [2024-11-17 04:22:03,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:03,673 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1158 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:03,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 463 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:22:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-11-17 04:22:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1170. [2024-11-17 04:22:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 998 states have (on average 1.2885771543086173) internal successors, (1286), 1021 states have internal predecessors, (1286), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1566 transitions. [2024-11-17 04:22:03,752 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1566 transitions. Word has length 98 [2024-11-17 04:22:03,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:03,752 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1566 transitions. [2024-11-17 04:22:03,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1566 transitions. [2024-11-17 04:22:03,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:22:03,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:03,753 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:03,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:22:03,954 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,SelfDestructingSolverStorable27 [2024-11-17 04:22:03,954 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:03,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1405972491, now seen corresponding path program 1 times [2024-11-17 04:22:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:03,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126377191] [2024-11-17 04:22:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:03,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:04,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126377191] [2024-11-17 04:22:04,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126377191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:04,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:04,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:22:04,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122100199] [2024-11-17 04:22:04,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:04,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:22:04,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:04,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:22:04,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:22:04,029 INFO L87 Difference]: Start difference. First operand 1170 states and 1566 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:04,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:04,150 INFO L93 Difference]: Finished difference Result 1170 states and 1566 transitions. [2024-11-17 04:22:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:22:04,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-11-17 04:22:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:04,155 INFO L225 Difference]: With dead ends: 1170 [2024-11-17 04:22:04,155 INFO L226 Difference]: Without dead ends: 1169 [2024-11-17 04:22:04,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:04,156 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 23 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:04,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-17 04:22:04,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-17 04:22:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 998 states have (on average 1.279559118236473) internal successors, (1277), 1020 states have internal predecessors, (1277), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1557 transitions. [2024-11-17 04:22:04,236 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1557 transitions. Word has length 100 [2024-11-17 04:22:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:04,236 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1557 transitions. [2024-11-17 04:22:04,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1557 transitions. [2024-11-17 04:22:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-17 04:22:04,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:04,238 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:04,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-17 04:22:04,238 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:04,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash 805396839, now seen corresponding path program 1 times [2024-11-17 04:22:04,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:04,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333985700] [2024-11-17 04:22:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:04,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:04,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333985700] [2024-11-17 04:22:04,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333985700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:04,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171975349] [2024-11-17 04:22:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:04,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:04,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:04,379 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) [2024-11-17 04:22:04,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:22:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:04,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:04,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171975349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:04,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:04,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:22:04,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419419979] [2024-11-17 04:22:04,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:04,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:04,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:04,642 INFO L87 Difference]: Start difference. First operand 1169 states and 1557 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:04,916 INFO L93 Difference]: Finished difference Result 1187 states and 1588 transitions. [2024-11-17 04:22:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:22:04,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 103 [2024-11-17 04:22:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:04,921 INFO L225 Difference]: With dead ends: 1187 [2024-11-17 04:22:04,921 INFO L226 Difference]: Without dead ends: 1186 [2024-11-17 04:22:04,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:04,923 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 85 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:04,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 148 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-17 04:22:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1168. [2024-11-17 04:22:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 998 states have (on average 1.2725450901803608) internal successors, (1270), 1019 states have internal predecessors, (1270), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1550 transitions. [2024-11-17 04:22:05,014 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1550 transitions. Word has length 103 [2024-11-17 04:22:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:05,015 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1550 transitions. [2024-11-17 04:22:05,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1550 transitions. [2024-11-17 04:22:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:22:05,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:05,016 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:05,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:22:05,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:05,217 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:05,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:05,217 INFO L85 PathProgramCache]: Analyzing trace with hash -802501784, now seen corresponding path program 1 times [2024-11-17 04:22:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:05,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191500129] [2024-11-17 04:22:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:05,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:05,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:05,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191500129] [2024-11-17 04:22:05,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191500129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:05,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940161619] [2024-11-17 04:22:05,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:05,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:05,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:05,338 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) [2024-11-17 04:22:05,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:22:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:05,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:05,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:05,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:05,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940161619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:05,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:05,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-17 04:22:05,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701296744] [2024-11-17 04:22:05,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:05,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:05,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:05,709 INFO L87 Difference]: Start difference. First operand 1168 states and 1550 transitions. Second operand has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:06,274 INFO L93 Difference]: Finished difference Result 1621 states and 2168 transitions. [2024-11-17 04:22:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:06,275 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 104 [2024-11-17 04:22:06,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:06,282 INFO L225 Difference]: With dead ends: 1621 [2024-11-17 04:22:06,282 INFO L226 Difference]: Without dead ends: 1619 [2024-11-17 04:22:06,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:06,285 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 331 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:06,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 370 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:06,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-17 04:22:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1340. [2024-11-17 04:22:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1152 states have (on average 1.2708333333333333) internal successors, (1464), 1173 states have internal predecessors, (1464), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-17 04:22:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1780 transitions. [2024-11-17 04:22:06,395 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1780 transitions. Word has length 104 [2024-11-17 04:22:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:06,395 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1780 transitions. [2024-11-17 04:22:06,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1780 transitions. [2024-11-17 04:22:06,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:22:06,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:06,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:06,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:22:06,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:06,597 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:06,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash 746877923, now seen corresponding path program 1 times [2024-11-17 04:22:06,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:06,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083688607] [2024-11-17 04:22:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083688607] [2024-11-17 04:22:06,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083688607] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:06,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875865120] [2024-11-17 04:22:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:06,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:06,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:06,729 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) [2024-11-17 04:22:06,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:22:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:22:06,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:06,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875865120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:07,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:07,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:22:07,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472776177] [2024-11-17 04:22:07,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:07,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:07,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:07,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:07,167 INFO L87 Difference]: Start difference. First operand 1340 states and 1780 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:07,710 INFO L93 Difference]: Finished difference Result 1394 states and 1837 transitions. [2024-11-17 04:22:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:07,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 114 [2024-11-17 04:22:07,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:07,718 INFO L225 Difference]: With dead ends: 1394 [2024-11-17 04:22:07,718 INFO L226 Difference]: Without dead ends: 1393 [2024-11-17 04:22:07,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:22:07,720 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 448 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:07,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 362 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:07,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-17 04:22:07,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1261. [2024-11-17 04:22:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1084 states have (on average 1.2675276752767528) internal successors, (1374), 1104 states have internal predecessors, (1374), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-17 04:22:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1670 transitions. [2024-11-17 04:22:07,815 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1670 transitions. Word has length 114 [2024-11-17 04:22:07,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:07,816 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1670 transitions. [2024-11-17 04:22:07,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1670 transitions. [2024-11-17 04:22:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:22:07,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:07,818 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:07,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:22:08,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:08,019 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:08,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2012824797, now seen corresponding path program 1 times [2024-11-17 04:22:08,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:08,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069998391] [2024-11-17 04:22:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:08,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:08,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:08,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069998391] [2024-11-17 04:22:08,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069998391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:08,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132609639] [2024-11-17 04:22:08,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:08,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:08,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:08,175 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) [2024-11-17 04:22:08,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:22:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:08,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:22:08,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:08,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132609639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:08,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:08,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-17 04:22:08,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579294840] [2024-11-17 04:22:08,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:08,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:22:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:22:08,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:22:08,626 INFO L87 Difference]: Start difference. First operand 1261 states and 1670 transitions. Second operand has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:09,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:09,345 INFO L93 Difference]: Finished difference Result 2113 states and 2706 transitions. [2024-11-17 04:22:09,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-17 04:22:09,346 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 117 [2024-11-17 04:22:09,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:09,353 INFO L225 Difference]: With dead ends: 2113 [2024-11-17 04:22:09,353 INFO L226 Difference]: Without dead ends: 1820 [2024-11-17 04:22:09,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-17 04:22:09,358 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 519 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:09,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 882 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:09,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-17 04:22:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1563. [2024-11-17 04:22:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1347 states have (on average 1.250927988121752) internal successors, (1685), 1367 states have internal predecessors, (1685), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2047 transitions. [2024-11-17 04:22:09,515 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2047 transitions. Word has length 117 [2024-11-17 04:22:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:09,515 INFO L471 AbstractCegarLoop]: Abstraction has 1563 states and 2047 transitions. [2024-11-17 04:22:09,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2047 transitions. [2024-11-17 04:22:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:22:09,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:09,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:09,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:22:09,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:09,722 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:09,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1788592194, now seen corresponding path program 1 times [2024-11-17 04:22:09,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:09,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145224574] [2024-11-17 04:22:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:09,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966051364] [2024-11-17 04:22:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:09,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:09,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:09,743 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) [2024-11-17 04:22:09,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:22:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:09,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:09,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:10,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145224574] [2024-11-17 04:22:10,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966051364] [2024-11-17 04:22:10,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966051364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:10,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:10,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:10,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899027286] [2024-11-17 04:22:10,521 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:10,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:10,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:10,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:10,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:10,523 INFO L87 Difference]: Start difference. First operand 1563 states and 2047 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:11,441 INFO L93 Difference]: Finished difference Result 2982 states and 3996 transitions. [2024-11-17 04:22:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:22:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 118 [2024-11-17 04:22:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:11,454 INFO L225 Difference]: With dead ends: 2982 [2024-11-17 04:22:11,454 INFO L226 Difference]: Without dead ends: 2979 [2024-11-17 04:22:11,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:22:11,458 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 318 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:11,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 377 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-17 04:22:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1625. [2024-11-17 04:22:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1400 states have (on average 1.2507142857142857) internal successors, (1751), 1420 states have internal predecessors, (1751), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-17 04:22:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2131 transitions. [2024-11-17 04:22:11,606 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2131 transitions. Word has length 118 [2024-11-17 04:22:11,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:11,607 INFO L471 AbstractCegarLoop]: Abstraction has 1625 states and 2131 transitions. [2024-11-17 04:22:11,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:11,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2131 transitions. [2024-11-17 04:22:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:22:11,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:11,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:11,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:22:11,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:22:11,810 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:11,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:11,810 INFO L85 PathProgramCache]: Analyzing trace with hash -388216784, now seen corresponding path program 1 times [2024-11-17 04:22:11,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:11,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803703496] [2024-11-17 04:22:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:11,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671136600] [2024-11-17 04:22:11,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:11,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:11,828 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) [2024-11-17 04:22:11,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:22:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:11,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:12,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:12,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:12,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803703496] [2024-11-17 04:22:12,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:12,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671136600] [2024-11-17 04:22:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671136600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:12,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:12,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814966891] [2024-11-17 04:22:12,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:12,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:12,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:12,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:12,997 INFO L87 Difference]: Start difference. First operand 1625 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:13,476 INFO L93 Difference]: Finished difference Result 1797 states and 2344 transitions. [2024-11-17 04:22:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:22:13,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 119 [2024-11-17 04:22:13,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:13,484 INFO L225 Difference]: With dead ends: 1797 [2024-11-17 04:22:13,485 INFO L226 Difference]: Without dead ends: 1794 [2024-11-17 04:22:13,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:13,486 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 105 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:13,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 329 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:13,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-17 04:22:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1753. [2024-11-17 04:22:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1511 states have (on average 1.2495036399735275) internal successors, (1888), 1531 states have internal predecessors, (1888), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-17 04:22:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2302 transitions. [2024-11-17 04:22:13,607 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2302 transitions. Word has length 119 [2024-11-17 04:22:13,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:13,608 INFO L471 AbstractCegarLoop]: Abstraction has 1753 states and 2302 transitions. [2024-11-17 04:22:13,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2302 transitions. [2024-11-17 04:22:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:22:13,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:13,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:13,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:13,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-17 04:22:13,814 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:13,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash 850181632, now seen corresponding path program 1 times [2024-11-17 04:22:13,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:13,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733796674] [2024-11-17 04:22:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:13,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733796674] [2024-11-17 04:22:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733796674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:13,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:13,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:13,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547489618] [2024-11-17 04:22:13,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:13,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:22:13,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:13,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:22:13,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:13,971 INFO L87 Difference]: Start difference. First operand 1753 states and 2302 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:14,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:14,877 INFO L93 Difference]: Finished difference Result 1760 states and 2305 transitions. [2024-11-17 04:22:14,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:14,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 120 [2024-11-17 04:22:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:14,892 INFO L225 Difference]: With dead ends: 1760 [2024-11-17 04:22:14,893 INFO L226 Difference]: Without dead ends: 1758 [2024-11-17 04:22:14,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:14,894 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:14,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-17 04:22:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1715. [2024-11-17 04:22:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1479 states have (on average 1.2420554428668018) internal successors, (1837), 1497 states have internal predecessors, (1837), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-17 04:22:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2243 transitions. [2024-11-17 04:22:15,035 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2243 transitions. Word has length 120 [2024-11-17 04:22:15,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:15,035 INFO L471 AbstractCegarLoop]: Abstraction has 1715 states and 2243 transitions. [2024-11-17 04:22:15,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2243 transitions. [2024-11-17 04:22:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:15,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:15,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:15,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-17 04:22:15,037 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:15,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:15,037 INFO L85 PathProgramCache]: Analyzing trace with hash 585826862, now seen corresponding path program 1 times [2024-11-17 04:22:15,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:15,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123598865] [2024-11-17 04:22:15,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:15,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463141611] [2024-11-17 04:22:15,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:15,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:15,056 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) [2024-11-17 04:22:15,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:22:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:15,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:22:15,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:15,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:19,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:19,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123598865] [2024-11-17 04:22:19,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:19,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463141611] [2024-11-17 04:22:19,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463141611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:19,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:19,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:22:19,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40328803] [2024-11-17 04:22:19,824 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:19,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:22:19,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:19,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:22:19,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2024-11-17 04:22:19,825 INFO L87 Difference]: Start difference. First operand 1715 states and 2243 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:20,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:20,449 INFO L93 Difference]: Finished difference Result 1741 states and 2259 transitions. [2024-11-17 04:22:20,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:20,450 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2024-11-17 04:22:20,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:20,455 INFO L225 Difference]: With dead ends: 1741 [2024-11-17 04:22:20,455 INFO L226 Difference]: Without dead ends: 1734 [2024-11-17 04:22:20,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-17 04:22:20,457 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:20,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 391 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-17 04:22:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1564. [2024-11-17 04:22:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.239614243323442) internal successors, (1671), 1367 states have internal predecessors, (1671), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2037 transitions. [2024-11-17 04:22:20,553 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2037 transitions. Word has length 121 [2024-11-17 04:22:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:20,553 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2037 transitions. [2024-11-17 04:22:20,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2037 transitions. [2024-11-17 04:22:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:20,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:20,554 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:20,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:22:20,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:22:20,756 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:20,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:20,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1645116774, now seen corresponding path program 2 times [2024-11-17 04:22:20,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:20,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538199724] [2024-11-17 04:22:20,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:20,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:20,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519593467] [2024-11-17 04:22:20,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:20,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:20,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:20,775 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) [2024-11-17 04:22:20,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:22:20,850 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:20,850 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:20,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:20,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-17 04:22:21,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:21,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:21,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538199724] [2024-11-17 04:22:21,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:21,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519593467] [2024-11-17 04:22:21,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519593467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:21,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:21,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:22:21,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898722920] [2024-11-17 04:22:21,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:21,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:21,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:21,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:21,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:21,660 INFO L87 Difference]: Start difference. First operand 1564 states and 2037 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:22,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:22,181 INFO L93 Difference]: Finished difference Result 1904 states and 2525 transitions. [2024-11-17 04:22:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:22,181 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2024-11-17 04:22:22,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:22,187 INFO L225 Difference]: With dead ends: 1904 [2024-11-17 04:22:22,187 INFO L226 Difference]: Without dead ends: 1900 [2024-11-17 04:22:22,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:22,188 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 228 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:22,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 535 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-17 04:22:22,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1564. [2024-11-17 04:22:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.2262611275964392) internal successors, (1653), 1367 states have internal predecessors, (1653), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2019 transitions. [2024-11-17 04:22:22,311 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2019 transitions. Word has length 121 [2024-11-17 04:22:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:22,312 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2019 transitions. [2024-11-17 04:22:22,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2019 transitions. [2024-11-17 04:22:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:22:22,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:22,313 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1] [2024-11-17 04:22:22,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:22,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:22,518 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:22,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1313429609, now seen corresponding path program 2 times [2024-11-17 04:22:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:22,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770424290] [2024-11-17 04:22:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-17 04:22:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:22,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:22,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770424290] [2024-11-17 04:22:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770424290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:22,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:22,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:22,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012049021] [2024-11-17 04:22:22,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:22,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:22,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:22,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:22,609 INFO L87 Difference]: Start difference. First operand 1564 states and 2019 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:23,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:23,247 INFO L93 Difference]: Finished difference Result 2728 states and 3571 transitions. [2024-11-17 04:22:23,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:22:23,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 132 [2024-11-17 04:22:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:23,252 INFO L225 Difference]: With dead ends: 2728 [2024-11-17 04:22:23,253 INFO L226 Difference]: Without dead ends: 1604 [2024-11-17 04:22:23,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:22:23,257 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:23,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 198 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:23,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-17 04:22:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1529. [2024-11-17 04:22:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1317 states have (on average 1.2369020501138952) internal successors, (1629), 1335 states have internal predecessors, (1629), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1991 transitions. [2024-11-17 04:22:23,371 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1991 transitions. Word has length 132 [2024-11-17 04:22:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:23,372 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1991 transitions. [2024-11-17 04:22:23,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1991 transitions. [2024-11-17 04:22:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:22:23,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:23,374 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:23,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-17 04:22:23,375 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:23,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1052674772, now seen corresponding path program 1 times [2024-11-17 04:22:23,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:23,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542364967] [2024-11-17 04:22:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:23,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542364967] [2024-11-17 04:22:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542364967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253819289] [2024-11-17 04:22:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:23,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:23,579 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) [2024-11-17 04:22:23,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:22:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:22:23,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 217 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:22:23,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253819289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:24,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:24,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-17 04:22:24,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269207555] [2024-11-17 04:22:24,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:24,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:22:24,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:22:24,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:24,017 INFO L87 Difference]: Start difference. First operand 1529 states and 1991 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-17 04:22:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:24,539 INFO L93 Difference]: Finished difference Result 2240 states and 2862 transitions. [2024-11-17 04:22:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-17 04:22:24,540 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 134 [2024-11-17 04:22:24,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:24,544 INFO L225 Difference]: With dead ends: 2240 [2024-11-17 04:22:24,544 INFO L226 Difference]: Without dead ends: 1697 [2024-11-17 04:22:24,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 04:22:24,546 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 253 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:24,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 795 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-17 04:22:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1643. [2024-11-17 04:22:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1414 states have (on average 1.21994342291372) internal successors, (1725), 1434 states have internal predecessors, (1725), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-17 04:22:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2105 transitions. [2024-11-17 04:22:24,669 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2105 transitions. Word has length 134 [2024-11-17 04:22:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:24,670 INFO L471 AbstractCegarLoop]: Abstraction has 1643 states and 2105 transitions. [2024-11-17 04:22:24,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-17 04:22:24,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2105 transitions. [2024-11-17 04:22:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-17 04:22:24,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:24,674 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:24,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:24,874 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,SelfDestructingSolverStorable39 [2024-11-17 04:22:24,875 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:24,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:24,875 INFO L85 PathProgramCache]: Analyzing trace with hash 378198815, now seen corresponding path program 2 times [2024-11-17 04:22:24,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:24,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943568111] [2024-11-17 04:22:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:24,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301604946] [2024-11-17 04:22:24,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:24,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:24,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:24,905 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) [2024-11-17 04:22:24,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:22:24,976 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:24,976 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:24,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:24,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:25,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:25,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943568111] [2024-11-17 04:22:25,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:25,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301604946] [2024-11-17 04:22:25,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301604946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:25,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:25,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 04:22:25,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365804308] [2024-11-17 04:22:25,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:25,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:25,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:25,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:25,477 INFO L87 Difference]: Start difference. First operand 1643 states and 2105 transitions. Second operand has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:25,973 INFO L93 Difference]: Finished difference Result 2251 states and 2930 transitions. [2024-11-17 04:22:25,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:25,973 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 162 [2024-11-17 04:22:25,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:25,977 INFO L225 Difference]: With dead ends: 2251 [2024-11-17 04:22:25,978 INFO L226 Difference]: Without dead ends: 2248 [2024-11-17 04:22:25,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:25,979 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 257 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:25,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 578 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:25,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2024-11-17 04:22:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 1175. [2024-11-17 04:22:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1005 states have (on average 1.181094527363184) internal successors, (1187), 1022 states have internal predecessors, (1187), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-17 04:22:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1455 transitions. [2024-11-17 04:22:26,069 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1455 transitions. Word has length 162 [2024-11-17 04:22:26,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:26,069 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1455 transitions. [2024-11-17 04:22:26,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1455 transitions. [2024-11-17 04:22:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-17 04:22:26,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:26,071 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:26,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:26,275 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,SelfDestructingSolverStorable40 [2024-11-17 04:22:26,275 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:26,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1160738573, now seen corresponding path program 2 times [2024-11-17 04:22:26,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:26,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690620201] [2024-11-17 04:22:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:26,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:26,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262405414] [2024-11-17 04:22:26,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:26,302 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) [2024-11-17 04:22:26,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:22:26,374 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:26,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:26,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:26,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:26,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:27,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:27,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690620201] [2024-11-17 04:22:27,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:27,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262405414] [2024-11-17 04:22:27,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262405414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:27,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:27,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059427928] [2024-11-17 04:22:27,688 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:27,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:27,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:27,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:27,689 INFO L87 Difference]: Start difference. First operand 1175 states and 1455 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:28,245 INFO L93 Difference]: Finished difference Result 1329 states and 1645 transitions. [2024-11-17 04:22:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:28,246 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 163 [2024-11-17 04:22:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:28,248 INFO L225 Difference]: With dead ends: 1329 [2024-11-17 04:22:28,248 INFO L226 Difference]: Without dead ends: 1326 [2024-11-17 04:22:28,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:28,249 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 98 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:28,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 526 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:28,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-17 04:22:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1287. [2024-11-17 04:22:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1101 states have (on average 1.1852861035422344) internal successors, (1305), 1118 states have internal predecessors, (1305), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-17 04:22:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1605 transitions. [2024-11-17 04:22:28,339 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1605 transitions. Word has length 163 [2024-11-17 04:22:28,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:28,339 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1605 transitions. [2024-11-17 04:22:28,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1605 transitions. [2024-11-17 04:22:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:28,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:28,341 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:28,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:22:28,541 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,SelfDestructingSolverStorable41 [2024-11-17 04:22:28,542 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:28,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1221729841, now seen corresponding path program 2 times [2024-11-17 04:22:28,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641718296] [2024-11-17 04:22:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:28,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300818010] [2024-11-17 04:22:28,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:28,573 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) [2024-11-17 04:22:28,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:22:28,639 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:28,640 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:28,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:22:28,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:29,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:30,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:30,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641718296] [2024-11-17 04:22:30,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:30,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300818010] [2024-11-17 04:22:30,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300818010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:30,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:30,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:30,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080255303] [2024-11-17 04:22:30,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:30,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:30,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:30,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:30,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:30,898 INFO L87 Difference]: Start difference. First operand 1287 states and 1605 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:31,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:31,516 INFO L93 Difference]: Finished difference Result 1316 states and 1622 transitions. [2024-11-17 04:22:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:31,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 165 [2024-11-17 04:22:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:31,520 INFO L225 Difference]: With dead ends: 1316 [2024-11-17 04:22:31,521 INFO L226 Difference]: Without dead ends: 1309 [2024-11-17 04:22:31,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:31,522 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 102 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:31,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 606 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-11-17 04:22:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1203. [2024-11-17 04:22:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1029 states have (on average 1.1720116618075802) internal successors, (1206), 1046 states have internal predecessors, (1206), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-17 04:22:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1482 transitions. [2024-11-17 04:22:31,618 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1482 transitions. Word has length 165 [2024-11-17 04:22:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:31,619 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 1482 transitions. [2024-11-17 04:22:31,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1482 transitions. [2024-11-17 04:22:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:31,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:31,620 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:31,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:22:31,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:31,825 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:31,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1009213795, now seen corresponding path program 3 times [2024-11-17 04:22:31,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:31,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285629349] [2024-11-17 04:22:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:31,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:31,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447741824] [2024-11-17 04:22:31,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:31,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:31,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:31,856 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) [2024-11-17 04:22:31,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:22:31,911 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:22:31,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:31,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:31,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-17 04:22:32,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:40,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:40,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285629349] [2024-11-17 04:22:40,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:40,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447741824] [2024-11-17 04:22:40,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447741824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:40,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:40,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:40,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344151609] [2024-11-17 04:22:40,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:40,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:40,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:40,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:40,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=122, Unknown=2, NotChecked=0, Total=156 [2024-11-17 04:22:40,814 INFO L87 Difference]: Start difference. First operand 1203 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:41,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:41,420 INFO L93 Difference]: Finished difference Result 1452 states and 1801 transitions. [2024-11-17 04:22:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:41,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-11-17 04:22:41,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:41,425 INFO L225 Difference]: With dead ends: 1452 [2024-11-17 04:22:41,425 INFO L226 Difference]: Without dead ends: 1448 [2024-11-17 04:22:41,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=85, Invalid=255, Unknown=2, NotChecked=0, Total=342 [2024-11-17 04:22:41,426 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 362 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:41,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 423 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:41,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2024-11-17 04:22:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1190. [2024-11-17 04:22:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 1016 states have (on average 1.155511811023622) internal successors, (1174), 1033 states have internal predecessors, (1174), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-17 04:22:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1450 transitions. [2024-11-17 04:22:41,532 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1450 transitions. Word has length 165 [2024-11-17 04:22:41,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:41,533 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1450 transitions. [2024-11-17 04:22:41,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1450 transitions. [2024-11-17 04:22:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:22:41,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:41,534 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:41,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:22:41,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:41,739 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:41,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:41,739 INFO L85 PathProgramCache]: Analyzing trace with hash -953308026, now seen corresponding path program 3 times [2024-11-17 04:22:41,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:41,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639556836] [2024-11-17 04:22:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:41,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:41,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783655473] [2024-11-17 04:22:41,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:41,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:41,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:41,765 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) [2024-11-17 04:22:41,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:22:41,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:22:41,885 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:41,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-17 04:22:41,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 97 proven. 86 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-17 04:22:43,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:44,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:44,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639556836] [2024-11-17 04:22:44,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:44,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783655473] [2024-11-17 04:22:44,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783655473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:44,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:44,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:22:44,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22894072] [2024-11-17 04:22:44,408 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:44,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:22:44,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:44,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:22:44,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:22:44,409 INFO L87 Difference]: Start difference. First operand 1190 states and 1450 transitions. Second operand has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 04:22:47,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:47,994 INFO L93 Difference]: Finished difference Result 1750 states and 2166 transitions. [2024-11-17 04:22:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:22:47,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 176 [2024-11-17 04:22:47,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:47,998 INFO L225 Difference]: With dead ends: 1750 [2024-11-17 04:22:47,998 INFO L226 Difference]: Without dead ends: 1747 [2024-11-17 04:22:47,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:47,999 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 181 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:47,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 360 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-17 04:22:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-17 04:22:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1627. [2024-11-17 04:22:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1397 states have (on average 1.1696492483894059) internal successors, (1634), 1414 states have internal predecessors, (1634), 194 states have call successors, (194), 20 states have call predecessors, (194), 20 states have return successors, (194), 192 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-17 04:22:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2022 transitions. [2024-11-17 04:22:48,178 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2022 transitions. Word has length 176 [2024-11-17 04:22:48,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:48,178 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2022 transitions. [2024-11-17 04:22:48,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 04:22:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2022 transitions. [2024-11-17 04:22:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-17 04:22:48,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:48,180 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:48,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:48,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:48,380 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:48,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:48,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1300977404, now seen corresponding path program 3 times [2024-11-17 04:22:48,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:48,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182036621] [2024-11-17 04:22:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:48,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765042146] [2024-11-17 04:22:48,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:48,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:48,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:48,402 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) [2024-11-17 04:22:48,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:22:48,499 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:22:48,500 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:48,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:22:48,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 66 proven. 86 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-17 04:22:48,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:49,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:49,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182036621] [2024-11-17 04:22:49,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:49,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765042146] [2024-11-17 04:22:49,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765042146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:49,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:49,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:22:49,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171335032] [2024-11-17 04:22:49,074 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:49,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:49,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:49,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:49,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:49,075 INFO L87 Difference]: Start difference. First operand 1627 states and 2022 transitions. Second operand has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:22:50,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:50,460 INFO L93 Difference]: Finished difference Result 1666 states and 2069 transitions. [2024-11-17 04:22:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:50,460 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 178 [2024-11-17 04:22:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:50,465 INFO L225 Difference]: With dead ends: 1666 [2024-11-17 04:22:50,465 INFO L226 Difference]: Without dead ends: 1608 [2024-11-17 04:22:50,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:22:50,467 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 251 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:50,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 246 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:22:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-11-17 04:22:50,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1468. [2024-11-17 04:22:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1262 states have (on average 1.1386687797147386) internal successors, (1437), 1275 states have internal predecessors, (1437), 172 states have call successors, (172), 20 states have call predecessors, (172), 20 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-17 04:22:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1781 transitions. [2024-11-17 04:22:50,652 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1781 transitions. Word has length 178 [2024-11-17 04:22:50,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:50,653 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1781 transitions. [2024-11-17 04:22:50,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:22:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1781 transitions. [2024-11-17 04:22:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-17 04:22:50,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:50,655 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:50,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:50,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-17 04:22:50,856 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:50,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:50,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1737782390, now seen corresponding path program 2 times [2024-11-17 04:22:50,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:50,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116074404] [2024-11-17 04:22:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:50,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:22:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:22:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-17 04:22:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:22:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-17 04:22:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-17 04:22:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:51,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:51,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116074404] [2024-11-17 04:22:51,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116074404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631176305] [2024-11-17 04:22:51,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:51,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:51,035 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:51,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:22:51,119 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:51,119 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:51,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:51,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:51,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631176305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:51,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-17 04:22:51,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900056233] [2024-11-17 04:22:51,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:51,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:22:51,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:22:51,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:51,572 INFO L87 Difference]: Start difference. First operand 1468 states and 1781 transitions. Second operand has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-17 04:22:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:52,569 INFO L93 Difference]: Finished difference Result 2804 states and 3496 transitions. [2024-11-17 04:22:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:52,569 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 229 [2024-11-17 04:22:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:52,576 INFO L225 Difference]: With dead ends: 2804 [2024-11-17 04:22:52,576 INFO L226 Difference]: Without dead ends: 2803 [2024-11-17 04:22:52,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:52,578 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 792 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:52,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 685 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:52,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-17 04:22:52,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2004. [2024-11-17 04:22:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 1715 states have (on average 1.1755102040816328) internal successors, (2016), 1728 states have internal predecessors, (2016), 255 states have call successors, (255), 20 states have call predecessors, (255), 20 states have return successors, (255), 255 states have call predecessors, (255), 255 states have call successors, (255) [2024-11-17 04:22:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2526 transitions. [2024-11-17 04:22:52,828 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2526 transitions. Word has length 229 [2024-11-17 04:22:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:52,828 INFO L471 AbstractCegarLoop]: Abstraction has 2004 states and 2526 transitions. [2024-11-17 04:22:52,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-17 04:22:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2526 transitions. [2024-11-17 04:22:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-17 04:22:52,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:52,831 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:52,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:53,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:22:53,031 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:53,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:53,032 INFO L85 PathProgramCache]: Analyzing trace with hash -350174324, now seen corresponding path program 1 times [2024-11-17 04:22:53,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:53,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222349522] [2024-11-17 04:22:53,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:53,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 04:22:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:22:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-17 04:22:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 04:22:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:22:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:22:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-17 04:22:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-17 04:22:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:53,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:53,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222349522] [2024-11-17 04:22:53,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222349522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:53,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452604] [2024-11-17 04:22:53,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:53,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:53,317 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:53,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:22:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:53,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:22:53,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 591 proven. 51 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-17 04:22:53,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 143 proven. 51 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2024-11-17 04:22:53,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:53,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:53,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-17 04:22:53,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063280154] [2024-11-17 04:22:53,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:53,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:22:53,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:53,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:22:53,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:53,794 INFO L87 Difference]: Start difference. First operand 2004 states and 2526 transitions. Second operand has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-17 04:22:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:55,103 INFO L93 Difference]: Finished difference Result 3518 states and 4512 transitions. [2024-11-17 04:22:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:22:55,104 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 249 [2024-11-17 04:22:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:55,109 INFO L225 Difference]: With dead ends: 3518 [2024-11-17 04:22:55,109 INFO L226 Difference]: Without dead ends: 2099 [2024-11-17 04:22:55,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 534 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:22:55,113 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 385 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:55,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 865 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:22:55,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-17 04:22:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 1987. [2024-11-17 04:22:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1703 states have (on average 1.186729301233118) internal successors, (2021), 1716 states have internal predecessors, (2021), 254 states have call successors, (254), 16 states have call predecessors, (254), 16 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-17 04:22:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2529 transitions. [2024-11-17 04:22:55,368 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2529 transitions. Word has length 249 [2024-11-17 04:22:55,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:55,368 INFO L471 AbstractCegarLoop]: Abstraction has 1987 states and 2529 transitions. [2024-11-17 04:22:55,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-17 04:22:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2529 transitions. [2024-11-17 04:22:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-17 04:22:55,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:55,370 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:55,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-17 04:22:55,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:55,571 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:55,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash 17172312, now seen corresponding path program 2 times [2024-11-17 04:22:55,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:55,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680199767] [2024-11-17 04:22:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:22:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:22:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-17 04:22:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:22:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:55,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680199767] [2024-11-17 04:22:55,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680199767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307820702] [2024-11-17 04:22:55,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:55,829 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:55,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:22:55,920 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:55,921 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:55,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:55,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:56,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:56,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307820702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:56,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:56,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-17 04:22:56,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001836390] [2024-11-17 04:22:56,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:56,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:22:56,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:56,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:22:56,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:56,609 INFO L87 Difference]: Start difference. First operand 1987 states and 2529 transitions. Second operand has 22 states, 21 states have (on average 19.19047619047619) internal successors, (403), 22 states have internal predecessors, (403), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64)