./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.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 a69d5fb397906cd89c0147a3c54d3ad7658561b03775140fca8816654a2bbc3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:01:33,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:01:33,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:01:33,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:01:33,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:01:33,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:01:33,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:01:33,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:01:33,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:01:33,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:01:33,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:01:33,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:01:33,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:01:33,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:01:33,641 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:01:33,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:01:33,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:01:33,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:01:33,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:01:33,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:01:33,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:01:33,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:01:33,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:01:33,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:01:33,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:01:33,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:01:33,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:01:33,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:01:33,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:01:33,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:01:33,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:01:33,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:01:33,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:01:33,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:01:33,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:01:33,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:01:33,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:01:33,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:01:33,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:01:33,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:01:33,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:01:33,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:01:33,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:01:33,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:01:33,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69d5fb397906cd89c0147a3c54d3ad7658561b03775140fca8816654a2bbc3d [2024-10-24 20:01:33,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:01:33,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:01:33,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:01:33,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:01:33,973 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:01:33,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c [2024-10-24 20:01:35,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:01:35,614 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:01:35,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c [2024-10-24 20:01:35,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f574e54d6/bfafbb4d320a48aabc99fac6bf2e619b/FLAG3e97e10be [2024-10-24 20:01:35,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f574e54d6/bfafbb4d320a48aabc99fac6bf2e619b [2024-10-24 20:01:35,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:01:35,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:01:35,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:01:35,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:01:35,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:01:35,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:35,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fa1242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35, skipping insertion in model container [2024-10-24 20:01:35,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:35,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:01:35,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:01:35,900 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:01:35,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:01:35,947 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:01:35,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35 WrapperNode [2024-10-24 20:01:35,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:01:35,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:01:35,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:01:35,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:01:35,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:35,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:35,988 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-10-24 20:01:35,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:01:35,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:01:35,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:01:35,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:01:36,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,028 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:01:36,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:01:36,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:01:36,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:01:36,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:01:36,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (1/1) ... [2024-10-24 20:01:36,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:01:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:36,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:01:36,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:01:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:01:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:01:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:01:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:01:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:01:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:01:36,190 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:01:36,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:01:36,602 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-10-24 20:01:36,603 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:01:36,636 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:01:36,637 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:01:36,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:01:36 BoogieIcfgContainer [2024-10-24 20:01:36,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:01:36,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:01:36,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:01:36,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:01:36,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:01:35" (1/3) ... [2024-10-24 20:01:36,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e11d4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:01:36, skipping insertion in model container [2024-10-24 20:01:36,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:01:35" (2/3) ... [2024-10-24 20:01:36,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e11d4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:01:36, skipping insertion in model container [2024-10-24 20:01:36,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:01:36" (3/3) ... [2024-10-24 20:01:36,645 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound2.c [2024-10-24 20:01:36,661 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:01:36,661 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-10-24 20:01:36,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:01:36,723 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;@7efff6be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:01:36,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-10-24 20:01:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 70 states have (on average 1.9285714285714286) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-10-24 20:01:36,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:36,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-10-24 20:01:36,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:36,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash 6296, now seen corresponding path program 1 times [2024-10-24 20:01:36,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:36,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885737010] [2024-10-24 20:01:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:36,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:36,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:36,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885737010] [2024-10-24 20:01:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885737010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:36,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:36,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:36,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060717850] [2024-10-24 20:01:36,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:36,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:36,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:36,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:36,910 INFO L87 Difference]: Start difference. First operand has 134 states, 70 states have (on average 1.9285714285714286) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:37,139 INFO L93 Difference]: Finished difference Result 256 states and 271 transitions. [2024-10-24 20:01:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:37,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2024-10-24 20:01:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:37,149 INFO L225 Difference]: With dead ends: 256 [2024-10-24 20:01:37,149 INFO L226 Difference]: Without dead ends: 127 [2024-10-24 20:01:37,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,156 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 96 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:37,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 76 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-24 20:01:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-24 20:01:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 124 states have internal predecessors, (127), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2024-10-24 20:01:37,203 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 2 [2024-10-24 20:01:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:37,205 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2024-10-24 20:01:37,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2024-10-24 20:01:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:01:37,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:37,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:01:37,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:01:37,206 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:37,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash 195212, now seen corresponding path program 1 times [2024-10-24 20:01:37,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:37,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121017295] [2024-10-24 20:01:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:37,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:37,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121017295] [2024-10-24 20:01:37,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121017295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:37,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:37,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:37,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085506013] [2024-10-24 20:01:37,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:37,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:37,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:37,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:37,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,241 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:37,355 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2024-10-24 20:01:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:37,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-24 20:01:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:37,360 INFO L225 Difference]: With dead ends: 127 [2024-10-24 20:01:37,360 INFO L226 Difference]: Without dead ends: 123 [2024-10-24 20:01:37,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,363 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:37,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 73 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-24 20:01:37,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-24 20:01:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.7826086956521738) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-10-24 20:01:37,376 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 3 [2024-10-24 20:01:37,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:37,376 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-10-24 20:01:37,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-10-24 20:01:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 20:01:37,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:37,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 20:01:37,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:01:37,379 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:37,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash 6051610, now seen corresponding path program 1 times [2024-10-24 20:01:37,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:37,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61972439] [2024-10-24 20:01:37,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:37,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:37,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61972439] [2024-10-24 20:01:37,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61972439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:37,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:37,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405715178] [2024-10-24 20:01:37,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:37,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:37,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:37,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:37,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,429 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:37,636 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-10-24 20:01:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:37,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 20:01:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:37,639 INFO L225 Difference]: With dead ends: 123 [2024-10-24 20:01:37,640 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 20:01:37,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,643 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 87 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:37,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 59 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:37,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 20:01:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-24 20:01:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7681159420289856) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-24 20:01:37,657 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 4 [2024-10-24 20:01:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:37,658 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-24 20:01:37,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-24 20:01:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:01:37,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:37,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:01:37,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:01:37,659 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:37,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:37,660 INFO L85 PathProgramCache]: Analyzing trace with hash 187599950, now seen corresponding path program 1 times [2024-10-24 20:01:37,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:37,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481406158] [2024-10-24 20:01:37,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:37,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:37,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481406158] [2024-10-24 20:01:37,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481406158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:37,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:37,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:01:37,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87268174] [2024-10-24 20:01:37,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:37,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:37,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:37,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:37,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,698 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:37,907 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-24 20:01:37,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:37,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:01:37,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:37,909 INFO L225 Difference]: With dead ends: 122 [2024-10-24 20:01:37,910 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 20:01:37,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:37,911 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:37,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 59 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 20:01:37,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-24 20:01:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2024-10-24 20:01:37,927 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 5 [2024-10-24 20:01:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:37,928 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2024-10-24 20:01:37,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2024-10-24 20:01:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 20:01:37,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:37,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:37,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:01:37,929 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:37,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:37,930 INFO L85 PathProgramCache]: Analyzing trace with hash -105073040, now seen corresponding path program 1 times [2024-10-24 20:01:37,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:37,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255158339] [2024-10-24 20:01:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:38,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:38,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255158339] [2024-10-24 20:01:38,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255158339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:38,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:38,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105374223] [2024-10-24 20:01:38,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:38,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:38,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:38,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:38,033 INFO L87 Difference]: Start difference. First operand 121 states and 123 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) [2024-10-24 20:01:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:38,079 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2024-10-24 20:01:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:38,080 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 [2024-10-24 20:01:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:38,090 INFO L225 Difference]: With dead ends: 169 [2024-10-24 20:01:38,090 INFO L226 Difference]: Without dead ends: 125 [2024-10-24 20:01:38,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:38,092 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 4 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:38,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 348 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:38,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-24 20:01:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-24 20:01:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-24 20:01:38,106 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 7 [2024-10-24 20:01:38,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:38,106 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-24 20:01:38,106 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) [2024-10-24 20:01:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-24 20:01:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:01:38,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:38,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:38,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:01:38,108 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:38,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:38,109 INFO L85 PathProgramCache]: Analyzing trace with hash 800272963, now seen corresponding path program 1 times [2024-10-24 20:01:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:38,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009854133] [2024-10-24 20:01:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:38,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075064204] [2024-10-24 20:01:38,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:38,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:38,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:38,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:01:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:38,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:01:38,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:38,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:38,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:38,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009854133] [2024-10-24 20:01:38,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075064204] [2024-10-24 20:01:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075064204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:38,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:38,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757904365] [2024-10-24 20:01:38,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:38,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:38,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:38,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:38,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:38,210 INFO L87 Difference]: Start difference. First operand 125 states and 127 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) [2024-10-24 20:01:38,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:38,369 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2024-10-24 20:01:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:38,370 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 [2024-10-24 20:01:38,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:38,371 INFO L225 Difference]: With dead ends: 193 [2024-10-24 20:01:38,372 INFO L226 Difference]: Without dead ends: 187 [2024-10-24 20:01:38,372 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 [2024-10-24 20:01:38,374 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:38,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 218 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:38,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-24 20:01:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2024-10-24 20:01:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 96 states have (on average 1.6979166666666667) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2024-10-24 20:01:38,390 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 10 [2024-10-24 20:01:38,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:38,391 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2024-10-24 20:01:38,391 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) [2024-10-24 20:01:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2024-10-24 20:01:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 20:01:38,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:38,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:38,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:01:38,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 20:01:38,592 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 263173317, now seen corresponding path program 1 times [2024-10-24 20:01:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981078830] [2024-10-24 20:01:38,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:38,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:38,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610624631] [2024-10-24 20:01:38,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:38,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:38,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:01:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:38,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:01:38,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:38,678 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:38,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:38,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981078830] [2024-10-24 20:01:38,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:38,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610624631] [2024-10-24 20:01:38,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610624631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:38,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:38,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:01:38,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768899864] [2024-10-24 20:01:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:38,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:01:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:38,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:01:38,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:38,683 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:38,808 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2024-10-24 20:01:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:01:38,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-24 20:01:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:38,809 INFO L225 Difference]: With dead ends: 255 [2024-10-24 20:01:38,810 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 20:01:38,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:01:38,811 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 94 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:38,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 216 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 20:01:38,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2024-10-24 20:01:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 147 states have (on average 1.6938775510204083) internal successors, (249), 196 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2024-10-24 20:01:38,822 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 12 [2024-10-24 20:01:38,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:38,822 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2024-10-24 20:01:38,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2024-10-24 20:01:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 20:01:38,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:38,823 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:38,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:01:39,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-24 20:01:39,024 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:39,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash -493510841, now seen corresponding path program 1 times [2024-10-24 20:01:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:39,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9780022] [2024-10-24 20:01:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:39,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358242870] [2024-10-24 20:01:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:39,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:39,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:39,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:39,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:01:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:39,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:39,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:39,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9780022] [2024-10-24 20:01:39,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358242870] [2024-10-24 20:01:39,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358242870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:39,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901817538] [2024-10-24 20:01:39,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:39,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:39,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:39,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:39,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:39,129 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:39,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:39,306 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2024-10-24 20:01:39,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:39,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-24 20:01:39,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:39,308 INFO L225 Difference]: With dead ends: 293 [2024-10-24 20:01:39,308 INFO L226 Difference]: Without dead ends: 291 [2024-10-24 20:01:39,308 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 [2024-10-24 20:01:39,309 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 143 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:39,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 237 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-24 20:01:39,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 202. [2024-10-24 20:01:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 148 states have (on average 1.6824324324324325) internal successors, (249), 197 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2024-10-24 20:01:39,323 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 14 [2024-10-24 20:01:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:39,327 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2024-10-24 20:01:39,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2024-10-24 20:01:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 20:01:39,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:39,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:39,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:01:39,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:39,529 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:39,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:39,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1881033179, now seen corresponding path program 1 times [2024-10-24 20:01:39,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:39,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22653443] [2024-10-24 20:01:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:39,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51112417] [2024-10-24 20:01:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:39,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:39,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:39,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:01:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:39,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:39,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:39,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:39,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:39,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22653443] [2024-10-24 20:01:39,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:39,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51112417] [2024-10-24 20:01:39,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51112417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:39,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:39,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:39,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754414112] [2024-10-24 20:01:39,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:39,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:39,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:39,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:39,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:39,602 INFO L87 Difference]: Start difference. First operand 202 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:39,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:39,783 INFO L93 Difference]: Finished difference Result 292 states and 354 transitions. [2024-10-24 20:01:39,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:39,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 20:01:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:39,786 INFO L225 Difference]: With dead ends: 292 [2024-10-24 20:01:39,786 INFO L226 Difference]: Without dead ends: 290 [2024-10-24 20:01:39,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:39,787 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 141 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:39,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 240 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:39,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-24 20:01:39,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 203. [2024-10-24 20:01:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 198 states have internal predecessors, (249), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 255 transitions. [2024-10-24 20:01:39,796 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 255 transitions. Word has length 15 [2024-10-24 20:01:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:39,797 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 255 transitions. [2024-10-24 20:01:39,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 255 transitions. [2024-10-24 20:01:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 20:01:39,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:39,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:39,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:01:39,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:39,999 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:39,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:39,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1817513527, now seen corresponding path program 1 times [2024-10-24 20:01:39,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:39,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500110414] [2024-10-24 20:01:39,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488626239] [2024-10-24 20:01:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:40,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:40,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:40,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:01:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:40,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:40,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:40,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:40,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500110414] [2024-10-24 20:01:40,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488626239] [2024-10-24 20:01:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488626239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:40,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:40,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:40,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661624728] [2024-10-24 20:01:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:40,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:40,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:40,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:40,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:40,074 INFO L87 Difference]: Start difference. First operand 203 states and 255 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:40,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:40,224 INFO L93 Difference]: Finished difference Result 278 states and 298 transitions. [2024-10-24 20:01:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:40,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-24 20:01:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:40,226 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:40,226 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:40,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:40,226 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:40,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 260 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 203. [2024-10-24 20:01:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.651006711409396) internal successors, (246), 198 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-10-24 20:01:40,234 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 16 [2024-10-24 20:01:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:40,234 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-10-24 20:01:40,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-10-24 20:01:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 20:01:40,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:40,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:40,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:01:40,439 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 [2024-10-24 20:01:40,440 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:40,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -508344419, now seen corresponding path program 1 times [2024-10-24 20:01:40,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:40,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11325795] [2024-10-24 20:01:40,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:40,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340447564] [2024-10-24 20:01:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:40,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:40,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:40,451 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:40,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:01:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:40,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:01:40,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:40,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:40,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:40,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11325795] [2024-10-24 20:01:40,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:40,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340447564] [2024-10-24 20:01:40,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340447564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:40,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:40,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:40,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67913605] [2024-10-24 20:01:40,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:40,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:40,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:40,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:40,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:40,531 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:40,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:40,656 INFO L93 Difference]: Finished difference Result 276 states and 295 transitions. [2024-10-24 20:01:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:40,656 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-24 20:01:40,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:40,658 INFO L225 Difference]: With dead ends: 276 [2024-10-24 20:01:40,658 INFO L226 Difference]: Without dead ends: 274 [2024-10-24 20:01:40,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:40,659 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:40,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 262 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:40,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-24 20:01:40,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2024-10-24 20:01:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.6308724832214765) internal successors, (243), 198 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2024-10-24 20:01:40,667 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 17 [2024-10-24 20:01:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:40,667 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2024-10-24 20:01:40,667 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2024-10-24 20:01:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 20:01:40,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:40,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:40,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:40,868 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 [2024-10-24 20:01:40,869 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:40,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:40,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1421192267, now seen corresponding path program 1 times [2024-10-24 20:01:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:40,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135033648] [2024-10-24 20:01:40,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:40,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:40,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148571935] [2024-10-24 20:01:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:40,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:40,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:40,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:40,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:01:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:40,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:01:40,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:41,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:41,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135033648] [2024-10-24 20:01:41,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148571935] [2024-10-24 20:01:41,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148571935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:41,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:41,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:41,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171535042] [2024-10-24 20:01:41,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:41,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:41,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:41,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:41,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:41,013 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:41,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:41,354 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2024-10-24 20:01:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2024-10-24 20:01:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:41,356 INFO L225 Difference]: With dead ends: 291 [2024-10-24 20:01:41,356 INFO L226 Difference]: Without dead ends: 289 [2024-10-24 20:01:41,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:01:41,357 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 216 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:41,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 277 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-24 20:01:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2024-10-24 20:01:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.611842105263158) internal successors, (245), 201 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 251 transitions. [2024-10-24 20:01:41,364 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 251 transitions. Word has length 18 [2024-10-24 20:01:41,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:41,365 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 251 transitions. [2024-10-24 20:01:41,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 251 transitions. [2024-10-24 20:01:41,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-24 20:01:41,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:41,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:41,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:41,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:41,566 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:41,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:41,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1107287391, now seen corresponding path program 1 times [2024-10-24 20:01:41,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:41,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100461832] [2024-10-24 20:01:41,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:41,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:41,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280328035] [2024-10-24 20:01:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:41,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:41,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:01:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:41,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:01:41,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:41,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:41,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:41,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100461832] [2024-10-24 20:01:41,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280328035] [2024-10-24 20:01:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280328035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:41,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:41,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:41,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351887291] [2024-10-24 20:01:41,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:41,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:41,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:41,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:41,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:41,700 INFO L87 Difference]: Start difference. First operand 206 states and 251 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:41,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:41,999 INFO L93 Difference]: Finished difference Result 290 states and 338 transitions. [2024-10-24 20:01:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:41,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-10-24 20:01:41,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:42,001 INFO L225 Difference]: With dead ends: 290 [2024-10-24 20:01:42,001 INFO L226 Difference]: Without dead ends: 288 [2024-10-24 20:01:42,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:01:42,001 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 214 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:42,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 280 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:42,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-24 20:01:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 207. [2024-10-24 20:01:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 202 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2024-10-24 20:01:42,008 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 19 [2024-10-24 20:01:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:42,008 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2024-10-24 20:01:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2024-10-24 20:01:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 20:01:42,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:42,009 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] [2024-10-24 20:01:42,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:42,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:01:42,214 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:42,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash -33829171, now seen corresponding path program 1 times [2024-10-24 20:01:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:42,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691540499] [2024-10-24 20:01:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699991465] [2024-10-24 20:01:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:42,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:42,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:42,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:01:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:42,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:42,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:42,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691540499] [2024-10-24 20:01:42,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699991465] [2024-10-24 20:01:42,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699991465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:42,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:42,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:42,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77188541] [2024-10-24 20:01:42,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:42,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:42,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:42,389 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:42,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:42,730 INFO L93 Difference]: Finished difference Result 278 states and 336 transitions. [2024-10-24 20:01:42,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:42,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-10-24 20:01:42,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:42,732 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:42,732 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:42,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:42,733 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 284 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:42,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 206 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:42,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 208. [2024-10-24 20:01:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 203 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2024-10-24 20:01:42,742 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 20 [2024-10-24 20:01:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:42,742 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2024-10-24 20:01:42,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2024-10-24 20:01:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 20:01:42,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:42,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:42,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:01:42,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 20:01:42,944 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:42,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:42,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1048704223, now seen corresponding path program 1 times [2024-10-24 20:01:42,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:42,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569670614] [2024-10-24 20:01:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:42,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:42,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709059188] [2024-10-24 20:01:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:42,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:42,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:42,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:01:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:42,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:42,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:43,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:43,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:43,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569670614] [2024-10-24 20:01:43,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:43,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709059188] [2024-10-24 20:01:43,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709059188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:43,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:43,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:43,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272809663] [2024-10-24 20:01:43,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:43,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:43,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:43,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:43,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:43,113 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:43,413 INFO L93 Difference]: Finished difference Result 278 states and 334 transitions. [2024-10-24 20:01:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:43,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-24 20:01:43,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:43,414 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:01:43,414 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 20:01:43,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:43,415 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 344 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:43,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 202 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:43,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 20:01:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 209. [2024-10-24 20:01:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 204 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 251 transitions. [2024-10-24 20:01:43,424 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 251 transitions. Word has length 21 [2024-10-24 20:01:43,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:43,424 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 251 transitions. [2024-10-24 20:01:43,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2024-10-24 20:01:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-24 20:01:43,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:43,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:43,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:01:43,625 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,SelfDestructingSolverStorable14 [2024-10-24 20:01:43,626 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash -355316783, now seen corresponding path program 1 times [2024-10-24 20:01:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:43,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188942816] [2024-10-24 20:01:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:43,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992054754] [2024-10-24 20:01:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:43,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:43,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:43,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:01:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:43,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:01:43,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:43,864 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:43,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188942816] [2024-10-24 20:01:43,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992054754] [2024-10-24 20:01:43,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992054754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:43,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:43,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707982108] [2024-10-24 20:01:43,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:43,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:43,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:43,866 INFO L87 Difference]: Start difference. First operand 209 states and 251 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:44,327 INFO L93 Difference]: Finished difference Result 270 states and 332 transitions. [2024-10-24 20:01:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:44,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-10-24 20:01:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:44,330 INFO L225 Difference]: With dead ends: 270 [2024-10-24 20:01:44,330 INFO L226 Difference]: Without dead ends: 266 [2024-10-24 20:01:44,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:44,331 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 258 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:44,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 141 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:01:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-24 20:01:44,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 210. [2024-10-24 20:01:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 158 states have (on average 1.5506329113924051) internal successors, (245), 205 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 251 transitions. [2024-10-24 20:01:44,340 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 251 transitions. Word has length 24 [2024-10-24 20:01:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:44,340 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 251 transitions. [2024-10-24 20:01:44,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2024-10-24 20:01:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-24 20:01:44,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:44,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:44,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:01:44,543 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,SelfDestructingSolverStorable15 [2024-10-24 20:01:44,543 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:44,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:44,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1870081701, now seen corresponding path program 1 times [2024-10-24 20:01:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:44,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035096880] [2024-10-24 20:01:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:44,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:44,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920800038] [2024-10-24 20:01:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:44,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:44,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:44,556 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:44,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:01:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:44,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:01:44,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:44,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:44,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:44,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035096880] [2024-10-24 20:01:44,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:44,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920800038] [2024-10-24 20:01:44,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920800038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:44,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:44,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:44,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33592408] [2024-10-24 20:01:44,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:44,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:44,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:44,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:01:44,777 INFO L87 Difference]: Start difference. First operand 210 states and 251 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:45,105 INFO L93 Difference]: Finished difference Result 268 states and 326 transitions. [2024-10-24 20:01:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2024-10-24 20:01:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:45,107 INFO L225 Difference]: With dead ends: 268 [2024-10-24 20:01:45,107 INFO L226 Difference]: Without dead ends: 264 [2024-10-24 20:01:45,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:45,107 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 331 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:45,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 133 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-24 20:01:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 209. [2024-10-24 20:01:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.528301886792453) internal successors, (243), 204 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2024-10-24 20:01:45,114 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 25 [2024-10-24 20:01:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:45,114 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2024-10-24 20:01:45,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2024-10-24 20:01:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 20:01:45,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:45,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:45,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:45,319 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,SelfDestructingSolverStorable16 [2024-10-24 20:01:45,319 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:45,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2137957971, now seen corresponding path program 1 times [2024-10-24 20:01:45,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:45,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023982154] [2024-10-24 20:01:45,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:45,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023982154] [2024-10-24 20:01:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023982154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:45,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:45,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147746168] [2024-10-24 20:01:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:45,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:45,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:45,381 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:45,685 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2024-10-24 20:01:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:45,686 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), 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 26 [2024-10-24 20:01:45,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:45,688 INFO L225 Difference]: With dead ends: 234 [2024-10-24 20:01:45,689 INFO L226 Difference]: Without dead ends: 232 [2024-10-24 20:01:45,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:45,690 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:45,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 152 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-24 20:01:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2024-10-24 20:01:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.51875) internal successors, (243), 205 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 249 transitions. [2024-10-24 20:01:45,698 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 249 transitions. Word has length 26 [2024-10-24 20:01:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:45,699 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 249 transitions. [2024-10-24 20:01:45,699 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 249 transitions. [2024-10-24 20:01:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:01:45,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:45,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:45,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 20:01:45,700 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:45,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:45,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1852187751, now seen corresponding path program 1 times [2024-10-24 20:01:45,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:45,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696439305] [2024-10-24 20:01:45,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:45,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:45,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:45,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696439305] [2024-10-24 20:01:45,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696439305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:45,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:45,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:45,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961199445] [2024-10-24 20:01:45,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:45,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:45,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:45,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:45,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:45,767 INFO L87 Difference]: Start difference. First operand 210 states and 249 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:46,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:46,034 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2024-10-24 20:01:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:46,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-10-24 20:01:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:46,035 INFO L225 Difference]: With dead ends: 228 [2024-10-24 20:01:46,035 INFO L226 Difference]: Without dead ends: 226 [2024-10-24 20:01:46,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:46,036 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:46,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 156 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:01:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-24 20:01:46,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2024-10-24 20:01:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 206 states have internal predecessors, (243), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2024-10-24 20:01:46,043 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 27 [2024-10-24 20:01:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:46,043 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2024-10-24 20:01:46,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:01:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2024-10-24 20:01:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-24 20:01:46,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:46,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:46,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 20:01:46,045 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:46,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1019513284, now seen corresponding path program 1 times [2024-10-24 20:01:46,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:46,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504820629] [2024-10-24 20:01:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:46,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:46,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504820629] [2024-10-24 20:01:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504820629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:46,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:46,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672066379] [2024-10-24 20:01:46,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:46,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:46,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:46,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:46,136 INFO L87 Difference]: Start difference. First operand 211 states and 249 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:46,373 INFO L93 Difference]: Finished difference Result 227 states and 270 transitions. [2024-10-24 20:01:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:46,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-10-24 20:01:46,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:46,375 INFO L225 Difference]: With dead ends: 227 [2024-10-24 20:01:46,375 INFO L226 Difference]: Without dead ends: 226 [2024-10-24 20:01:46,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:46,376 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 172 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:46,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 109 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:46,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-24 20:01:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2024-10-24 20:01:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.503030303030303) internal successors, (248), 210 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2024-10-24 20:01:46,388 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 254 transitions. Word has length 37 [2024-10-24 20:01:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:46,390 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 254 transitions. [2024-10-24 20:01:46,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2024-10-24 20:01:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 20:01:46,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:46,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:46,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 20:01:46,393 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:46,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1540140625, now seen corresponding path program 1 times [2024-10-24 20:01:46,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:46,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613325781] [2024-10-24 20:01:46,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:46,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:46,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613325781] [2024-10-24 20:01:46,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613325781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:46,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:46,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:46,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855864493] [2024-10-24 20:01:46,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:46,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:46,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:46,473 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:46,558 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2024-10-24 20:01:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:46,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-10-24 20:01:46,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:46,559 INFO L225 Difference]: With dead ends: 215 [2024-10-24 20:01:46,560 INFO L226 Difference]: Without dead ends: 214 [2024-10-24 20:01:46,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:46,561 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:46,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 139 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-24 20:01:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-10-24 20:01:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 165 states have (on average 1.490909090909091) internal successors, (246), 209 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2024-10-24 20:01:46,568 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 38 [2024-10-24 20:01:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:46,568 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2024-10-24 20:01:46,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2024-10-24 20:01:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:01:46,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:46,569 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:46,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 20:01:46,569 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:46,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:46,570 INFO L85 PathProgramCache]: Analyzing trace with hash -203884450, now seen corresponding path program 1 times [2024-10-24 20:01:46,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:46,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004785470] [2024-10-24 20:01:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:46,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:46,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:46,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004785470] [2024-10-24 20:01:46,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004785470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:46,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:46,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:46,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565687147] [2024-10-24 20:01:46,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:46,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:46,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:46,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:46,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:46,641 INFO L87 Difference]: Start difference. First operand 214 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:46,844 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-10-24 20:01:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:46,846 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-10-24 20:01:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:46,847 INFO L225 Difference]: With dead ends: 214 [2024-10-24 20:01:46,847 INFO L226 Difference]: Without dead ends: 213 [2024-10-24 20:01:46,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:46,848 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 63 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:46,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 111 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-24 20:01:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-24 20:01:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4848484848484849) internal successors, (245), 208 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 251 transitions. [2024-10-24 20:01:46,856 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 251 transitions. Word has length 39 [2024-10-24 20:01:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:46,856 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 251 transitions. [2024-10-24 20:01:46,856 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2024-10-24 20:01:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:01:46,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:46,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:46,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 20:01:46,857 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:46,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:46,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1688580561, now seen corresponding path program 1 times [2024-10-24 20:01:46,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:46,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024138190] [2024-10-24 20:01:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:46,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:46,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:46,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024138190] [2024-10-24 20:01:46,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024138190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:46,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:46,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228928332] [2024-10-24 20:01:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:46,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:46,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:46,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:46,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:46,918 INFO L87 Difference]: Start difference. First operand 213 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:47,040 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2024-10-24 20:01:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:47,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (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 40 [2024-10-24 20:01:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:47,041 INFO L225 Difference]: With dead ends: 233 [2024-10-24 20:01:47,041 INFO L226 Difference]: Without dead ends: 231 [2024-10-24 20:01:47,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:47,042 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:47,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 306 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:01:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-24 20:01:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-10-24 20:01:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.461111111111111) internal successors, (263), 223 states have internal predecessors, (263), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2024-10-24 20:01:47,050 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 40 [2024-10-24 20:01:47,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:47,050 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2024-10-24 20:01:47,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2024-10-24 20:01:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 20:01:47,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:47,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:47,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 20:01:47,051 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:47,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:47,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2025450533, now seen corresponding path program 1 times [2024-10-24 20:01:47,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:47,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556720757] [2024-10-24 20:01:47,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556720757] [2024-10-24 20:01:47,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556720757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:47,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:47,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:01:47,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663196712] [2024-10-24 20:01:47,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:47,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:01:47,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:47,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:01:47,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:01:47,125 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:47,305 INFO L93 Difference]: Finished difference Result 229 states and 269 transitions. [2024-10-24 20:01:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:01:47,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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 40 [2024-10-24 20:01:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:47,307 INFO L225 Difference]: With dead ends: 229 [2024-10-24 20:01:47,307 INFO L226 Difference]: Without dead ends: 228 [2024-10-24 20:01:47,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:01:47,308 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 151 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:47,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 159 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:01:47,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-24 20:01:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-24 20:01:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 223 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2024-10-24 20:01:47,315 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 40 [2024-10-24 20:01:47,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:47,316 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2024-10-24 20:01:47,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2024-10-24 20:01:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 20:01:47,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:47,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:47,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 20:01:47,317 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:47,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:47,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1635543040, now seen corresponding path program 1 times [2024-10-24 20:01:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:47,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603684629] [2024-10-24 20:01:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603684629] [2024-10-24 20:01:47,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603684629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:47,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:01:47,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:01:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125294513] [2024-10-24 20:01:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:47,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:01:47,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:47,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:01:47,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:47,366 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:47,410 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2024-10-24 20:01:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:01:47,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 41 [2024-10-24 20:01:47,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:47,411 INFO L225 Difference]: With dead ends: 270 [2024-10-24 20:01:47,411 INFO L226 Difference]: Without dead ends: 268 [2024-10-24 20:01:47,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:01:47,412 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 62 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:47,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 311 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:47,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-10-24 20:01:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2024-10-24 20:01:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 188 states have (on average 1.4308510638297873) internal successors, (269), 231 states have internal predecessors, (269), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 275 transitions. [2024-10-24 20:01:47,420 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 275 transitions. Word has length 41 [2024-10-24 20:01:47,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:47,420 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 275 transitions. [2024-10-24 20:01:47,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 275 transitions. [2024-10-24 20:01:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-24 20:01:47,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:47,421 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:47,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 20:01:47,421 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:47,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:47,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1846649332, now seen corresponding path program 1 times [2024-10-24 20:01:47,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:47,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818259408] [2024-10-24 20:01:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:47,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:47,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818259408] [2024-10-24 20:01:47,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818259408] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:01:47,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205811010] [2024-10-24 20:01:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:47,518 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:01:47,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:01:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:01:47,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:47,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:01:47,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205811010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:01:47,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:01:47,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-10-24 20:01:47,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962121932] [2024-10-24 20:01:47,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:01:47,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:01:47,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:47,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:01:47,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:01:47,643 INFO L87 Difference]: Start difference. First operand 236 states and 275 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:47,684 INFO L93 Difference]: Finished difference Result 236 states and 275 transitions. [2024-10-24 20:01:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:01:47,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 43 [2024-10-24 20:01:47,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:47,686 INFO L225 Difference]: With dead ends: 236 [2024-10-24 20:01:47,686 INFO L226 Difference]: Without dead ends: 235 [2024-10-24 20:01:47,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:01:47,687 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 82 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:47,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 331 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-24 20:01:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-10-24 20:01:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 188 states have (on average 1.4202127659574468) internal successors, (267), 230 states have internal predecessors, (267), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:01:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 273 transitions. [2024-10-24 20:01:47,695 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 273 transitions. Word has length 43 [2024-10-24 20:01:47,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:47,696 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 273 transitions. [2024-10-24 20:01:47,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:01:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 273 transitions. [2024-10-24 20:01:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 20:01:47,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:47,696 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:47,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:01:47,900 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 [2024-10-24 20:01:47,900 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:47,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:47,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1411554493, now seen corresponding path program 1 times [2024-10-24 20:01:47,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:47,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545062719] [2024-10-24 20:01:47,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:01:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:47,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:47,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545062719] [2024-10-24 20:01:47,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545062719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:01:47,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933935002] [2024-10-24 20:01:47,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:47,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:47,987 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) [2024-10-24 20:01:47,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:01:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:48,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:01:48,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:48,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:01:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:48,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933935002] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:01:48,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:01:48,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2024-10-24 20:01:48,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136216432] [2024-10-24 20:01:48,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:01:48,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:01:48,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:01:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:01:48,190 INFO L87 Difference]: Start difference. First operand 235 states and 273 transitions. Second operand has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:01:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:48,313 INFO L93 Difference]: Finished difference Result 650 states and 770 transitions. [2024-10-24 20:01:48,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:01:48,313 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2024-10-24 20:01:48,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:48,316 INFO L225 Difference]: With dead ends: 650 [2024-10-24 20:01:48,316 INFO L226 Difference]: Without dead ends: 587 [2024-10-24 20:01:48,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:01:48,318 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 230 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:48,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 840 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:01:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-24 20:01:48,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 413. [2024-10-24 20:01:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.4596100278551531) internal successors, (524), 401 states have internal predecessors, (524), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:01:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 538 transitions. [2024-10-24 20:01:48,337 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 538 transitions. Word has length 44 [2024-10-24 20:01:48,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:48,338 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 538 transitions. [2024-10-24 20:01:48,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.75) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 20:01:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 538 transitions. [2024-10-24 20:01:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-24 20:01:48,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:48,339 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:48,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:01:48,542 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 [2024-10-24 20:01:48,543 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:48,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:48,543 INFO L85 PathProgramCache]: Analyzing trace with hash -705796033, now seen corresponding path program 1 times [2024-10-24 20:01:48,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:48,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856924734] [2024-10-24 20:01:48,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:48,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:48,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786661380] [2024-10-24 20:01:48,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:48,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:48,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:48,556 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) [2024-10-24 20:01:48,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:01:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:48,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:48,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:48,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:01:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:49,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:49,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856924734] [2024-10-24 20:01:49,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:49,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786661380] [2024-10-24 20:01:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786661380] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:01:49,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:01:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:01:49,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503166436] [2024-10-24 20:01:49,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:01:49,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:01:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:01:49,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:01:49,144 INFO L87 Difference]: Start difference. First operand 413 states and 538 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:52,199 INFO L93 Difference]: Finished difference Result 441 states and 562 transitions. [2024-10-24 20:01:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:52,200 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2024-10-24 20:01:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:52,201 INFO L225 Difference]: With dead ends: 441 [2024-10-24 20:01:52,201 INFO L226 Difference]: Without dead ends: 439 [2024-10-24 20:01:52,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:01:52,202 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 320 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:52,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 298 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 20:01:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-24 20:01:52,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 419. [2024-10-24 20:01:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 365 states have (on average 1.4465753424657535) internal successors, (528), 407 states have internal predecessors, (528), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:01:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 542 transitions. [2024-10-24 20:01:52,221 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 542 transitions. Word has length 46 [2024-10-24 20:01:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:52,221 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 542 transitions. [2024-10-24 20:01:52,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 542 transitions. [2024-10-24 20:01:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 20:01:52,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:52,222 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:52,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:01:52,422 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 [2024-10-24 20:01:52,423 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:52,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -404840485, now seen corresponding path program 1 times [2024-10-24 20:01:52,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378651558] [2024-10-24 20:01:52,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:52,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302609913] [2024-10-24 20:01:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:52,439 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) [2024-10-24 20:01:52,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:01:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:52,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:01:52,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:52,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:01:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:53,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378651558] [2024-10-24 20:01:53,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302609913] [2024-10-24 20:01:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302609913] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:01:53,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:01:53,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 20:01:53,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940642266] [2024-10-24 20:01:53,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:01:53,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:01:53,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:01:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:01:53,179 INFO L87 Difference]: Start difference. First operand 419 states and 542 transitions. Second operand has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:01:55,398 INFO L93 Difference]: Finished difference Result 443 states and 558 transitions. [2024-10-24 20:01:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:01:55,398 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-10-24 20:01:55,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:01:55,400 INFO L225 Difference]: With dead ends: 443 [2024-10-24 20:01:55,400 INFO L226 Difference]: Without dead ends: 441 [2024-10-24 20:01:55,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:01:55,401 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 220 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:01:55,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 364 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 20:01:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-24 20:01:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 421. [2024-10-24 20:01:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 367 states have (on average 1.4332425068119892) internal successors, (526), 409 states have internal predecessors, (526), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:01:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 540 transitions. [2024-10-24 20:01:55,416 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 540 transitions. Word has length 47 [2024-10-24 20:01:55,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:01:55,416 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 540 transitions. [2024-10-24 20:01:55,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:01:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 540 transitions. [2024-10-24 20:01:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 20:01:55,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:01:55,417 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:01:55,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-24 20:01:55,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-24 20:01:55,618 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:01:55,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:01:55,619 INFO L85 PathProgramCache]: Analyzing trace with hash -334661821, now seen corresponding path program 1 times [2024-10-24 20:01:55,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:01:55,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115710071] [2024-10-24 20:01:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:01:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:01:55,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258989133] [2024-10-24 20:01:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:01:55,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:01:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:01:55,633 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) [2024-10-24 20:01:55,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:01:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:01:55,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:01:55,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:01:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:55,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:01:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:01:56,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:01:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115710071] [2024-10-24 20:01:56,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:01:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258989133] [2024-10-24 20:01:56,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258989133] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:01:56,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:01:56,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:01:56,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767676316] [2024-10-24 20:01:56,194 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:01:56,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:01:56,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:01:56,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:01:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:01:56,195 INFO L87 Difference]: Start difference. First operand 421 states and 540 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:00,549 INFO L93 Difference]: Finished difference Result 515 states and 633 transitions. [2024-10-24 20:02:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 20:02:00,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-10-24 20:02:00,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:00,552 INFO L225 Difference]: With dead ends: 515 [2024-10-24 20:02:00,552 INFO L226 Difference]: Without dead ends: 513 [2024-10-24 20:02:00,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-10-24 20:02:00,553 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 569 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:00,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 361 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 20:02:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-10-24 20:02:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 431. [2024-10-24 20:02:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 377 states have (on average 1.4164456233421752) internal successors, (534), 419 states have internal predecessors, (534), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 20:02:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 548 transitions. [2024-10-24 20:02:00,570 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 548 transitions. Word has length 50 [2024-10-24 20:02:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:00,570 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 548 transitions. [2024-10-24 20:02:00,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 548 transitions. [2024-10-24 20:02:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:02:00,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:00,571 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:00,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-24 20:02:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:00,772 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:00,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:00,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1784581793, now seen corresponding path program 1 times [2024-10-24 20:02:00,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854058224] [2024-10-24 20:02:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:00,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872534602] [2024-10-24 20:02:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:00,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:00,784 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) [2024-10-24 20:02:00,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:02:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:00,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:02:00,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:00,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:02,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:02,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854058224] [2024-10-24 20:02:02,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:02,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872534602] [2024-10-24 20:02:02,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872534602] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:02,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:02,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-24 20:02:02,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831011327] [2024-10-24 20:02:02,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:02,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:02:02,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:02:02,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:02:02,029 INFO L87 Difference]: Start difference. First operand 431 states and 548 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:05,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:05,853 INFO L93 Difference]: Finished difference Result 531 states and 665 transitions. [2024-10-24 20:02:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 20:02:05,854 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-10-24 20:02:05,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:05,855 INFO L225 Difference]: With dead ends: 531 [2024-10-24 20:02:05,855 INFO L226 Difference]: Without dead ends: 529 [2024-10-24 20:02:05,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-10-24 20:02:05,856 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1059 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:05,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 296 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-24 20:02:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-10-24 20:02:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 465. [2024-10-24 20:02:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 410 states have (on average 1.4195121951219511) internal successors, (582), 452 states have internal predecessors, (582), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:02:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 598 transitions. [2024-10-24 20:02:05,873 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 598 transitions. Word has length 51 [2024-10-24 20:02:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:05,873 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 598 transitions. [2024-10-24 20:02:05,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 598 transitions. [2024-10-24 20:02:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 20:02:05,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:05,874 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:05,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-24 20:02:06,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:06,078 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:06,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:06,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1501890289, now seen corresponding path program 1 times [2024-10-24 20:02:06,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:06,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471492578] [2024-10-24 20:02:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:06,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:06,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512989759] [2024-10-24 20:02:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:06,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:06,089 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) [2024-10-24 20:02:06,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-24 20:02:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:06,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:02:06,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:06,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:06,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:06,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471492578] [2024-10-24 20:02:06,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:06,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512989759] [2024-10-24 20:02:06,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512989759] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:06,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:02:06,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-24 20:02:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929165492] [2024-10-24 20:02:06,503 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:06,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:06,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:02:06,504 INFO L87 Difference]: Start difference. First operand 465 states and 598 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:06,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:06,986 INFO L93 Difference]: Finished difference Result 500 states and 622 transitions. [2024-10-24 20:02:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:06,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 52 [2024-10-24 20:02:06,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:06,989 INFO L225 Difference]: With dead ends: 500 [2024-10-24 20:02:06,989 INFO L226 Difference]: Without dead ends: 496 [2024-10-24 20:02:06,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:06,990 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 167 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:06,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 493 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:02:06,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-10-24 20:02:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 464. [2024-10-24 20:02:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 412 states have (on average 1.395631067961165) internal successors, (575), 451 states have internal predecessors, (575), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:02:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 591 transitions. [2024-10-24 20:02:07,007 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 591 transitions. Word has length 52 [2024-10-24 20:02:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:07,007 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 591 transitions. [2024-10-24 20:02:07,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2024-10-24 20:02:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 20:02:07,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:07,008 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:07,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-24 20:02:07,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:07,209 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:07,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:07,209 INFO L85 PathProgramCache]: Analyzing trace with hash 686041359, now seen corresponding path program 1 times [2024-10-24 20:02:07,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:07,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889436571] [2024-10-24 20:02:07,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:07,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:07,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228302959] [2024-10-24 20:02:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:07,222 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) [2024-10-24 20:02:07,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-24 20:02:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:07,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:02:07,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:07,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:08,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889436571] [2024-10-24 20:02:08,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:08,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228302959] [2024-10-24 20:02:08,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228302959] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:08,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:02:08,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 20:02:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006234685] [2024-10-24 20:02:08,174 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:08,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:02:08,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:08,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:02:08,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:02:08,175 INFO L87 Difference]: Start difference. First operand 464 states and 591 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:08,389 INFO L93 Difference]: Finished difference Result 624 states and 781 transitions. [2024-10-24 20:02:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:08,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 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 53 [2024-10-24 20:02:08,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:08,391 INFO L225 Difference]: With dead ends: 624 [2024-10-24 20:02:08,391 INFO L226 Difference]: Without dead ends: 622 [2024-10-24 20:02:08,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:08,393 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 431 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:08,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 327 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:02:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-24 20:02:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 552. [2024-10-24 20:02:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 498 states have (on average 1.4257028112449799) internal successors, (710), 537 states have internal predecessors, (710), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 730 transitions. [2024-10-24 20:02:08,417 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 730 transitions. Word has length 53 [2024-10-24 20:02:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:08,417 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 730 transitions. [2024-10-24 20:02:08,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 730 transitions. [2024-10-24 20:02:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:02:08,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:08,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:08,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-24 20:02:08,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-24 20:02:08,619 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:08,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash -348869274, now seen corresponding path program 1 times [2024-10-24 20:02:08,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:08,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811627639] [2024-10-24 20:02:08,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:08,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:08,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:08,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:08,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811627639] [2024-10-24 20:02:08,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811627639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:02:08,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:02:08,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:02:08,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056916158] [2024-10-24 20:02:08,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:02:08,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:02:08,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:02:08,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:02:08,705 INFO L87 Difference]: Start difference. First operand 552 states and 730 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:08,989 INFO L93 Difference]: Finished difference Result 557 states and 735 transitions. [2024-10-24 20:02:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:02:08,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 54 [2024-10-24 20:02:08,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:08,991 INFO L225 Difference]: With dead ends: 557 [2024-10-24 20:02:08,991 INFO L226 Difference]: Without dead ends: 556 [2024-10-24 20:02:08,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:02:08,991 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 47 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:08,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 128 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:02:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-10-24 20:02:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 555. [2024-10-24 20:02:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 501 states have (on average 1.4231536926147705) internal successors, (713), 540 states have internal predecessors, (713), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 733 transitions. [2024-10-24 20:02:09,013 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 733 transitions. Word has length 54 [2024-10-24 20:02:09,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:09,013 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 733 transitions. [2024-10-24 20:02:09,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 733 transitions. [2024-10-24 20:02:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:02:09,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:09,014 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:09,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 20:02:09,015 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:09,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1370937785, now seen corresponding path program 1 times [2024-10-24 20:02:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:09,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582140013] [2024-10-24 20:02:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:09,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454672426] [2024-10-24 20:02:09,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:09,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:09,030 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) [2024-10-24 20:02:09,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-24 20:02:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:09,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:02:09,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:09,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:09,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:09,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582140013] [2024-10-24 20:02:09,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:09,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454672426] [2024-10-24 20:02:09,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454672426] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:09,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:09,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-24 20:02:09,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729917780] [2024-10-24 20:02:09,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:09,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:09,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:09,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:09,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:02:09,213 INFO L87 Difference]: Start difference. First operand 555 states and 733 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:09,408 INFO L93 Difference]: Finished difference Result 625 states and 787 transitions. [2024-10-24 20:02:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:09,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 54 [2024-10-24 20:02:09,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:09,411 INFO L225 Difference]: With dead ends: 625 [2024-10-24 20:02:09,411 INFO L226 Difference]: Without dead ends: 623 [2024-10-24 20:02:09,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:02:09,412 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 202 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:09,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 286 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:02:09,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-10-24 20:02:09,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 556. [2024-10-24 20:02:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 502 states have (on average 1.4163346613545817) internal successors, (711), 541 states have internal predecessors, (711), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 731 transitions. [2024-10-24 20:02:09,433 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 731 transitions. Word has length 54 [2024-10-24 20:02:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:09,433 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 731 transitions. [2024-10-24 20:02:09,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 731 transitions. [2024-10-24 20:02:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:02:09,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:09,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:02:09,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-24 20:02:09,635 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 [2024-10-24 20:02:09,635 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:09,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2069954572, now seen corresponding path program 1 times [2024-10-24 20:02:09,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:09,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949681136] [2024-10-24 20:02:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:09,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:09,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:09,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949681136] [2024-10-24 20:02:09,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949681136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:02:09,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:02:09,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:02:09,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63551721] [2024-10-24 20:02:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:02:09,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:02:09,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:02:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:02:09,730 INFO L87 Difference]: Start difference. First operand 556 states and 731 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:10,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:10,066 INFO L93 Difference]: Finished difference Result 558 states and 732 transitions. [2024-10-24 20:02:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:02:10,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 55 [2024-10-24 20:02:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:10,069 INFO L225 Difference]: With dead ends: 558 [2024-10-24 20:02:10,069 INFO L226 Difference]: Without dead ends: 535 [2024-10-24 20:02:10,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:02:10,071 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 44 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:10,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 131 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:02:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-10-24 20:02:10,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2024-10-24 20:02:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 481 states have (on average 1.4324324324324325) internal successors, (689), 520 states have internal predecessors, (689), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 709 transitions. [2024-10-24 20:02:10,093 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 709 transitions. Word has length 55 [2024-10-24 20:02:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:10,093 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 709 transitions. [2024-10-24 20:02:10,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 709 transitions. [2024-10-24 20:02:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:02:10,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:10,094 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:10,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 20:02:10,094 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:10,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 450601699, now seen corresponding path program 1 times [2024-10-24 20:02:10,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:10,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762840428] [2024-10-24 20:02:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:10,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744704621] [2024-10-24 20:02:10,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:10,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:10,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:10,106 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) [2024-10-24 20:02:10,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-24 20:02:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:10,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:02:10,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:10,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 20:02:10,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762840428] [2024-10-24 20:02:10,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:10,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744704621] [2024-10-24 20:02:10,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744704621] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:10,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:10,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-10-24 20:02:10,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305503426] [2024-10-24 20:02:10,279 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:10,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:02:10,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:10,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:02:10,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:02:10,280 INFO L87 Difference]: Start difference. First operand 535 states and 709 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:10,418 INFO L93 Difference]: Finished difference Result 602 states and 761 transitions. [2024-10-24 20:02:10,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:02:10,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 55 [2024-10-24 20:02:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:10,421 INFO L225 Difference]: With dead ends: 602 [2024-10-24 20:02:10,421 INFO L226 Difference]: Without dead ends: 600 [2024-10-24 20:02:10,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:02:10,422 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 352 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:10,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 236 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:02:10,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-24 20:02:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 536. [2024-10-24 20:02:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 482 states have (on average 1.4253112033195021) internal successors, (687), 521 states have internal predecessors, (687), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 707 transitions. [2024-10-24 20:02:10,458 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 707 transitions. Word has length 55 [2024-10-24 20:02:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:10,459 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 707 transitions. [2024-10-24 20:02:10,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 707 transitions. [2024-10-24 20:02:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 20:02:10,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:10,459 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:10,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-24 20:02:10,660 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 [2024-10-24 20:02:10,660 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:10,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:10,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1083750857, now seen corresponding path program 1 times [2024-10-24 20:02:10,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:10,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074636139] [2024-10-24 20:02:10,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:10,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:10,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722018392] [2024-10-24 20:02:10,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:10,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:10,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:10,675 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) [2024-10-24 20:02:10,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-24 20:02:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:10,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 20:02:10,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:11,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:11,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:11,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074636139] [2024-10-24 20:02:11,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:11,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722018392] [2024-10-24 20:02:11,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722018392] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:11,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:11,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-24 20:02:11,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20874431] [2024-10-24 20:02:11,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:11,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 20:02:11,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:11,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 20:02:11,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:02:11,678 INFO L87 Difference]: Start difference. First operand 536 states and 707 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:17,978 INFO L93 Difference]: Finished difference Result 611 states and 785 transitions. [2024-10-24 20:02:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:17,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-10-24 20:02:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:17,980 INFO L225 Difference]: With dead ends: 611 [2024-10-24 20:02:17,980 INFO L226 Difference]: Without dead ends: 607 [2024-10-24 20:02:17,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-10-24 20:02:17,981 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 950 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:17,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 290 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 20:02:17,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-24 20:02:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 562. [2024-10-24 20:02:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 508 states have (on average 1.3996062992125984) internal successors, (711), 547 states have internal predecessors, (711), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:02:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 731 transitions. [2024-10-24 20:02:18,011 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 731 transitions. Word has length 56 [2024-10-24 20:02:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:18,011 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 731 transitions. [2024-10-24 20:02:18,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 731 transitions. [2024-10-24 20:02:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 20:02:18,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:18,012 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:18,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:18,213 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 [2024-10-24 20:02:18,213 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:18,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:18,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1891172077, now seen corresponding path program 1 times [2024-10-24 20:02:18,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:18,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130960212] [2024-10-24 20:02:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027287854] [2024-10-24 20:02:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:18,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:18,227 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) [2024-10-24 20:02:18,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-24 20:02:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:18,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:02:18,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:18,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:18,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:18,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130960212] [2024-10-24 20:02:18,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:18,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027287854] [2024-10-24 20:02:18,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027287854] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:18,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:18,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:02:18,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693294062] [2024-10-24 20:02:18,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:18,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:02:18,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:02:18,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:18,624 INFO L87 Difference]: Start difference. First operand 562 states and 731 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:20,948 INFO L93 Difference]: Finished difference Result 816 states and 1037 transitions. [2024-10-24 20:02:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:20,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-10-24 20:02:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:20,951 INFO L225 Difference]: With dead ends: 816 [2024-10-24 20:02:20,951 INFO L226 Difference]: Without dead ends: 815 [2024-10-24 20:02:20,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:02:20,951 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 1107 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:20,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 528 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 20:02:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-10-24 20:02:20,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 659. [2024-10-24 20:02:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 603 states have (on average 1.4129353233830846) internal successors, (852), 642 states have internal predecessors, (852), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 876 transitions. [2024-10-24 20:02:20,980 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 876 transitions. Word has length 56 [2024-10-24 20:02:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:20,980 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 876 transitions. [2024-10-24 20:02:20,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 876 transitions. [2024-10-24 20:02:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 20:02:20,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:20,981 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:20,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:21,182 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,SelfDestructingSolverStorable38 [2024-10-24 20:02:21,182 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:21,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash -763461723, now seen corresponding path program 1 times [2024-10-24 20:02:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146071926] [2024-10-24 20:02:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:21,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146071926] [2024-10-24 20:02:21,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146071926] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:21,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938506732] [2024-10-24 20:02:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:21,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:21,256 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) [2024-10-24 20:02:21,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-24 20:02:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:21,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:02:21,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:21,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938506732] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:21,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:02:21,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-24 20:02:21,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545605688] [2024-10-24 20:02:21,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:21,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:02:21,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:02:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:02:21,434 INFO L87 Difference]: Start difference. First operand 659 states and 876 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:02:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:21,734 INFO L93 Difference]: Finished difference Result 668 states and 888 transitions. [2024-10-24 20:02:21,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 20:02:21,734 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 57 [2024-10-24 20:02:21,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:21,736 INFO L225 Difference]: With dead ends: 668 [2024-10-24 20:02:21,736 INFO L226 Difference]: Without dead ends: 666 [2024-10-24 20:02:21,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:02:21,737 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 246 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:21,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 312 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:02:21,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-10-24 20:02:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 657. [2024-10-24 20:02:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 603 states have (on average 1.3897180762852404) internal successors, (838), 640 states have internal predecessors, (838), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 862 transitions. [2024-10-24 20:02:21,763 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 862 transitions. Word has length 57 [2024-10-24 20:02:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:21,763 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 862 transitions. [2024-10-24 20:02:21,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 20:02:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 862 transitions. [2024-10-24 20:02:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 20:02:21,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:21,764 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:21,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-24 20:02:21,965 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,SelfDestructingSolverStorable39 [2024-10-24 20:02:21,965 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:21,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1503207827, now seen corresponding path program 1 times [2024-10-24 20:02:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:21,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902043929] [2024-10-24 20:02:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:21,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529261984] [2024-10-24 20:02:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:21,976 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) [2024-10-24 20:02:21,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-24 20:02:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:22,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:02:22,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:22,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:22,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:22,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902043929] [2024-10-24 20:02:22,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:22,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529261984] [2024-10-24 20:02:22,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529261984] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:22,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:02:22,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627520174] [2024-10-24 20:02:22,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:22,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:02:22,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:22,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:02:22,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:02:22,658 INFO L87 Difference]: Start difference. First operand 657 states and 862 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:25,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:25,467 INFO L93 Difference]: Finished difference Result 812 states and 1013 transitions. [2024-10-24 20:02:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:02:25,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-10-24 20:02:25,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:25,469 INFO L225 Difference]: With dead ends: 812 [2024-10-24 20:02:25,469 INFO L226 Difference]: Without dead ends: 810 [2024-10-24 20:02:25,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:02:25,470 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1053 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:25,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 485 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 20:02:25,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-10-24 20:02:25,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 657. [2024-10-24 20:02:25,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 603 states have (on average 1.3747927031509122) internal successors, (829), 640 states have internal predecessors, (829), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 853 transitions. [2024-10-24 20:02:25,512 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 853 transitions. Word has length 57 [2024-10-24 20:02:25,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:25,512 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 853 transitions. [2024-10-24 20:02:25,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 12 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 853 transitions. [2024-10-24 20:02:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 20:02:25,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:25,513 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:25,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:25,717 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,SelfDestructingSolverStorable40 [2024-10-24 20:02:25,717 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -645197547, now seen corresponding path program 1 times [2024-10-24 20:02:25,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:25,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599767476] [2024-10-24 20:02:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:25,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081294844] [2024-10-24 20:02:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:25,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:25,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:25,727 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) [2024-10-24 20:02:25,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-24 20:02:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:25,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:02:25,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:26,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599767476] [2024-10-24 20:02:26,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081294844] [2024-10-24 20:02:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081294844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:26,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:26,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-10-24 20:02:26,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566957905] [2024-10-24 20:02:26,973 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:26,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:02:26,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:26,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:02:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:02:26,975 INFO L87 Difference]: Start difference. First operand 657 states and 853 transitions. Second operand has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:42,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:42,175 INFO L93 Difference]: Finished difference Result 773 states and 991 transitions. [2024-10-24 20:02:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-24 20:02:42,175 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-10-24 20:02:42,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:42,177 INFO L225 Difference]: With dead ends: 773 [2024-10-24 20:02:42,177 INFO L226 Difference]: Without dead ends: 765 [2024-10-24 20:02:42,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=375, Invalid=1695, Unknown=0, NotChecked=0, Total=2070 [2024-10-24 20:02:42,178 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 709 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:42,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 353 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2024-10-24 20:02:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-10-24 20:02:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 667. [2024-10-24 20:02:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 613 states have (on average 1.363784665579119) internal successors, (836), 650 states have internal predecessors, (836), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 860 transitions. [2024-10-24 20:02:42,210 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 860 transitions. Word has length 58 [2024-10-24 20:02:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:42,210 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 860 transitions. [2024-10-24 20:02:42,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.411764705882353) internal successors, (109), 18 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 860 transitions. [2024-10-24 20:02:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 20:02:42,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:42,211 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:42,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-24 20:02:42,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:42,412 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:42,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:42,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1473712597, now seen corresponding path program 1 times [2024-10-24 20:02:42,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:42,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105815356] [2024-10-24 20:02:42,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:42,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:42,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926390414] [2024-10-24 20:02:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:42,426 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) [2024-10-24 20:02:42,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-24 20:02:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:42,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:02:42,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:42,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:43,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:43,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105815356] [2024-10-24 20:02:43,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:43,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926390414] [2024-10-24 20:02:43,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926390414] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:43,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:43,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-10-24 20:02:43,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068060801] [2024-10-24 20:02:43,466 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:43,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:02:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:43,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:02:43,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:02:43,467 INFO L87 Difference]: Start difference. First operand 667 states and 860 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:54,818 INFO L93 Difference]: Finished difference Result 767 states and 981 transitions. [2024-10-24 20:02:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 20:02:54,818 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-10-24 20:02:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:54,820 INFO L225 Difference]: With dead ends: 767 [2024-10-24 20:02:54,820 INFO L226 Difference]: Without dead ends: 762 [2024-10-24 20:02:54,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=362, Invalid=1618, Unknown=0, NotChecked=0, Total=1980 [2024-10-24 20:02:54,821 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 652 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:54,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 409 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-10-24 20:02:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-10-24 20:02:54,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 673. [2024-10-24 20:02:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 619 states have (on average 1.3505654281098547) internal successors, (836), 656 states have internal predecessors, (836), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:02:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 860 transitions. [2024-10-24 20:02:54,854 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 860 transitions. Word has length 59 [2024-10-24 20:02:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:54,854 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 860 transitions. [2024-10-24 20:02:54,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 860 transitions. [2024-10-24 20:02:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 20:02:54,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:54,855 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:54,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:55,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:55,060 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:55,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:55,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1784791337, now seen corresponding path program 1 times [2024-10-24 20:02:55,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:55,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301724598] [2024-10-24 20:02:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:55,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:55,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:55,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301724598] [2024-10-24 20:02:55,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301724598] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:02:55,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852925132] [2024-10-24 20:02:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:55,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:55,128 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) [2024-10-24 20:02:55,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-24 20:02:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:55,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:02:55,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:55,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:55,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852925132] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:55,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:02:55,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-24 20:02:55,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147318031] [2024-10-24 20:02:55,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:55,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:02:55,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:55,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:02:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:02:55,405 INFO L87 Difference]: Start difference. First operand 673 states and 860 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:55,865 INFO L93 Difference]: Finished difference Result 798 states and 1026 transitions. [2024-10-24 20:02:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:02:55,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-10-24 20:02:55,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:55,867 INFO L225 Difference]: With dead ends: 798 [2024-10-24 20:02:55,868 INFO L226 Difference]: Without dead ends: 796 [2024-10-24 20:02:55,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:02:55,868 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 191 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:55,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 251 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:02:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-10-24 20:02:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 751. [2024-10-24 20:02:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 696 states have (on average 1.3793103448275863) internal successors, (960), 733 states have internal predecessors, (960), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 20:02:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 986 transitions. [2024-10-24 20:02:55,898 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 986 transitions. Word has length 61 [2024-10-24 20:02:55,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:55,898 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 986 transitions. [2024-10-24 20:02:55,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:02:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 986 transitions. [2024-10-24 20:02:55,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 20:02:55,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:55,898 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:55,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-24 20:02:56,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:56,099 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:56,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash -506043313, now seen corresponding path program 1 times [2024-10-24 20:02:56,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:56,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605050101] [2024-10-24 20:02:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:56,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:56,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:02:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:56,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:56,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605050101] [2024-10-24 20:02:56,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605050101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:02:56,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:02:56,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 20:02:56,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841330515] [2024-10-24 20:02:56,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:02:56,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:02:56,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:56,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:02:56,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:02:56,160 INFO L87 Difference]: Start difference. First operand 751 states and 986 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:56,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:02:56,501 INFO L93 Difference]: Finished difference Result 1015 states and 1357 transitions. [2024-10-24 20:02:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:02:56,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 62 [2024-10-24 20:02:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:02:56,505 INFO L225 Difference]: With dead ends: 1015 [2024-10-24 20:02:56,505 INFO L226 Difference]: Without dead ends: 1013 [2024-10-24 20:02:56,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:02:56,506 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 92 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:02:56,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 310 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:02:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-10-24 20:02:56,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 948. [2024-10-24 20:02:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 889 states have (on average 1.4128233970753656) internal successors, (1256), 926 states have internal predecessors, (1256), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:02:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1290 transitions. [2024-10-24 20:02:56,550 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1290 transitions. Word has length 62 [2024-10-24 20:02:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:02:56,550 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1290 transitions. [2024-10-24 20:02:56,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:02:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1290 transitions. [2024-10-24 20:02:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 20:02:56,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:02:56,551 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 20:02:56,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-24 20:02:56,551 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:02:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:02:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1492526571, now seen corresponding path program 1 times [2024-10-24 20:02:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:02:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602890837] [2024-10-24 20:02:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:02:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:02:56,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596794278] [2024-10-24 20:02:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:02:56,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:02:56,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:02:56,571 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) [2024-10-24 20:02:56,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-24 20:02:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:02:56,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 20:02:56,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:02:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:02:56,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:02:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 20:02:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:02:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602890837] [2024-10-24 20:02:57,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:02:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596794278] [2024-10-24 20:02:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596794278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:02:57,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:02:57,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-10-24 20:02:57,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210623742] [2024-10-24 20:02:57,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:02:57,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:02:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:02:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:02:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:02:57,324 INFO L87 Difference]: Start difference. First operand 948 states and 1290 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:00,003 INFO L93 Difference]: Finished difference Result 978 states and 1321 transitions. [2024-10-24 20:03:00,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 20:03:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2024-10-24 20:03:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:00,011 INFO L225 Difference]: With dead ends: 978 [2024-10-24 20:03:00,011 INFO L226 Difference]: Without dead ends: 952 [2024-10-24 20:03:00,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-10-24 20:03:00,012 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 340 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:00,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 230 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 20:03:00,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-24 20:03:00,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 933. [2024-10-24 20:03:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 874 states have (on average 1.4153318077803203) internal successors, (1237), 911 states have internal predecessors, (1237), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:03:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1271 transitions. [2024-10-24 20:03:00,048 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1271 transitions. Word has length 63 [2024-10-24 20:03:00,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:00,048 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1271 transitions. [2024-10-24 20:03:00,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1271 transitions. [2024-10-24 20:03:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 20:03:00,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:00,048 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:03:00,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:00,252 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 [2024-10-24 20:03:00,253 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:00,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash 413114653, now seen corresponding path program 1 times [2024-10-24 20:03:00,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:00,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735923883] [2024-10-24 20:03:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:03:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046587025] [2024-10-24 20:03:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:00,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:00,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:00,263 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) [2024-10-24 20:03:00,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-24 20:03:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:00,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 20:03:00,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:00,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:03:01,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:01,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735923883] [2024-10-24 20:03:01,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:03:01,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046587025] [2024-10-24 20:03:01,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046587025] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:01,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:03:01,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-10-24 20:03:01,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096520975] [2024-10-24 20:03:01,291 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:01,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 20:03:01,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:01,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 20:03:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:03:01,291 INFO L87 Difference]: Start difference. First operand 933 states and 1271 transitions. Second operand has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:05,955 INFO L93 Difference]: Finished difference Result 956 states and 1289 transitions. [2024-10-24 20:03:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-24 20:03:05,956 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2024-10-24 20:03:05,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:05,958 INFO L225 Difference]: With dead ends: 956 [2024-10-24 20:03:05,958 INFO L226 Difference]: Without dead ends: 952 [2024-10-24 20:03:05,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 20:03:05,959 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 436 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:05,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 226 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-24 20:03:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-24 20:03:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 938. [2024-10-24 20:03:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 880 states have (on average 1.4045454545454545) internal successors, (1236), 916 states have internal predecessors, (1236), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 20:03:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1270 transitions. [2024-10-24 20:03:05,997 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1270 transitions. Word has length 66 [2024-10-24 20:03:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:05,998 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1270 transitions. [2024-10-24 20:03:05,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1270 transitions. [2024-10-24 20:03:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 20:03:05,998 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:05,998 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 20:03:06,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-24 20:03:06,198 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 [2024-10-24 20:03:06,199 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:06,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:06,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1684693696, now seen corresponding path program 1 times [2024-10-24 20:03:06,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:06,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154765344] [2024-10-24 20:03:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:06,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:06,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:03:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:06,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:06,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154765344] [2024-10-24 20:03:06,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154765344] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:03:06,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645980398] [2024-10-24 20:03:06,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:06,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:06,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:06,269 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) [2024-10-24 20:03:06,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-24 20:03:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:06,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:03:06,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:06,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:06,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645980398] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:06,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:03:06,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-24 20:03:06,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843740921] [2024-10-24 20:03:06,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:06,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 20:03:06,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:06,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 20:03:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:03:06,606 INFO L87 Difference]: Start difference. First operand 938 states and 1270 transitions. Second operand has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:03:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:06,970 INFO L93 Difference]: Finished difference Result 1264 states and 1710 transitions. [2024-10-24 20:03:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:03:06,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 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) Word has length 73 [2024-10-24 20:03:06,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:06,975 INFO L225 Difference]: With dead ends: 1264 [2024-10-24 20:03:06,975 INFO L226 Difference]: Without dead ends: 1263 [2024-10-24 20:03:06,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-10-24 20:03:06,976 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 782 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:06,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 276 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:03:06,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2024-10-24 20:03:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1107. [2024-10-24 20:03:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1044 states have (on average 1.4128352490421456) internal successors, (1475), 1080 states have internal predecessors, (1475), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:03:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1519 transitions. [2024-10-24 20:03:07,044 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1519 transitions. Word has length 73 [2024-10-24 20:03:07,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:07,044 INFO L471 AbstractCegarLoop]: Abstraction has 1107 states and 1519 transitions. [2024-10-24 20:03:07,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.2) internal successors, (192), 11 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:03:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1519 transitions. [2024-10-24 20:03:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 20:03:07,045 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:07,045 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 20:03:07,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-24 20:03:07,245 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 [2024-10-24 20:03:07,246 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:07,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:07,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2017150669, now seen corresponding path program 1 times [2024-10-24 20:03:07,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:07,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543982548] [2024-10-24 20:03:07,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:03:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:07,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543982548] [2024-10-24 20:03:07,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543982548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:03:07,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208032316] [2024-10-24 20:03:07,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:07,321 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) [2024-10-24 20:03:07,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-24 20:03:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:03:07,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:07,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:03:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208032316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:03:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:03:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 20:03:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205008804] [2024-10-24 20:03:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:03:07,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:03:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:07,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:03:07,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:03:07,446 INFO L87 Difference]: Start difference. First operand 1107 states and 1519 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:03:07,540 INFO L93 Difference]: Finished difference Result 1107 states and 1519 transitions. [2024-10-24 20:03:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:03:07,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 76 [2024-10-24 20:03:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:03:07,542 INFO L225 Difference]: With dead ends: 1107 [2024-10-24 20:03:07,543 INFO L226 Difference]: Without dead ends: 1106 [2024-10-24 20:03:07,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:03:07,543 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 39 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:03:07,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 364 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:03:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-10-24 20:03:07,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2024-10-24 20:03:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1044 states have (on average 1.3879310344827587) internal successors, (1449), 1079 states have internal predecessors, (1449), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:03:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1493 transitions. [2024-10-24 20:03:07,585 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1493 transitions. Word has length 76 [2024-10-24 20:03:07,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:03:07,586 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1493 transitions. [2024-10-24 20:03:07,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:03:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1493 transitions. [2024-10-24 20:03:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 20:03:07,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:03:07,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-10-24 20:03:07,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-24 20:03:07,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-24 20:03:07,787 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-24 20:03:07,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:03:07,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1696880425, now seen corresponding path program 1 times [2024-10-24 20:03:07,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:03:07,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041417467] [2024-10-24 20:03:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:03:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:03:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:03:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:07,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:03:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041417467] [2024-10-24 20:03:07,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041417467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:03:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148588078] [2024-10-24 20:03:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:03:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:03:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:03:07,849 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:03:07,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-24 20:03:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:03:07,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:03:07,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:03:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:08,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:03:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:03:08,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148588078] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:03:08,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:03:08,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:03:08,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417533541] [2024-10-24 20:03:08,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:03:08,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:03:08,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:03:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:03:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:03:08,236 INFO L87 Difference]: Start difference. First operand 1106 states and 1493 transitions. Second operand has 10 states, 9 states have (on average 18.77777777777778) internal successors, (169), 10 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)