./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.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 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:02:58,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:02:58,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:02:58,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:02:58,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:02:58,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:02:58,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:02:58,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:02:58,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:02:58,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:02:58,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:02:58,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:02:58,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:02:58,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:02:58,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:02:58,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:02:58,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:02:58,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:02:58,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:02:58,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:02:58,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:02:58,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:02:58,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:02:58,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:02:58,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:02:58,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:02:58,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:02:58,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:02:58,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:02:58,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:02:58,783 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:02:58,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:02:58,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:02:58,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:02:58,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:02:58,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:02:58,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:02:58,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:02:58,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:02:58,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:02:58,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:02:58,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:02:58,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:02:58,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:02:58,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d [2024-11-10 19:02:59,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:02:59,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:02:59,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:02:59,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:02:59,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:02:59,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2024-11-10 19:03:00,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:03:00,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:03:00,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2024-11-10 19:03:00,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b7e053e/e853e79cff3d4c5cbc677c2ad53902cd/FLAGaa0bd0954 [2024-11-10 19:03:00,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b7e053e/e853e79cff3d4c5cbc677c2ad53902cd [2024-11-10 19:03:00,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:03:00,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:03:00,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:00,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:03:00,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:03:00,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58156d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00, skipping insertion in model container [2024-11-10 19:03:00,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:03:00,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:00,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:03:00,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:00,932 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:03:00,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00 WrapperNode [2024-11-10 19:03:00,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:00,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:00,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:03:00,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:03:00,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,967 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-10 19:03:00,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:00,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:03:00,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:03:00,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:03:00,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:00,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:03:01,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:03:01,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:03:01,015 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:03:01,015 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:03:01,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (1/1) ... [2024-11-10 19:03:01,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:03:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:01,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:03:01,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:03:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:03:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:03:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:03:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:03:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:03:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:03:01,171 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:03:01,174 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:03:01,508 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-10 19:03:01,508 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:03:01,523 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:03:01,523 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:03:01,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:01 BoogieIcfgContainer [2024-11-10 19:03:01,524 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:03:01,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:03:01,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:03:01,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:03:01,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:03:00" (1/3) ... [2024-11-10 19:03:01,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162447c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:01, skipping insertion in model container [2024-11-10 19:03:01,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:00" (2/3) ... [2024-11-10 19:03:01,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162447c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:01, skipping insertion in model container [2024-11-10 19:03:01,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:01" (3/3) ... [2024-11-10 19:03:01,532 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound5.c [2024-11-10 19:03:01,549 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:03:01,550 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-10 19:03:01,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:03:01,626 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;@6ea58653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:03:01,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-10 19:03:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:03:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:03:01,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:01,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:03:01,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:01,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:01,641 INFO L85 PathProgramCache]: Analyzing trace with hash -390968034, now seen corresponding path program 1 times [2024-11-10 19:03:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:01,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239837602] [2024-11-10 19:03:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:01,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:01,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239837602] [2024-11-10 19:03:01,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239837602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:01,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:01,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:01,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752288446] [2024-11-10 19:03:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:01,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:03:01,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:01,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:03:01,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:03:01,819 INFO L87 Difference]: Start difference. First operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:01,846 INFO L93 Difference]: Finished difference Result 198 states and 230 transitions. [2024-11-10 19:03:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:03:01,849 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:03:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:01,856 INFO L225 Difference]: With dead ends: 198 [2024-11-10 19:03:01,856 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 19:03:01,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:03:01,863 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:01,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 19:03:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-10 19:03:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.6981132075471699) internal successors, (90), 86 states have internal predecessors, (90), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:03:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-10 19:03:01,912 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 6 [2024-11-10 19:03:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:01,914 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-10 19:03:01,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-10 19:03:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:03:01,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:01,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:03:01,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:03:01,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:01,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash -390938243, now seen corresponding path program 1 times [2024-11-10 19:03:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:01,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3845305] [2024-11-10 19:03:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:01,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:02,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:02,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3845305] [2024-11-10 19:03:02,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3845305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:02,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:02,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:02,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126896593] [2024-11-10 19:03:02,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:02,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:02,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:02,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:02,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:02,017 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:02,135 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2024-11-10 19:03:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:03:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:02,139 INFO L225 Difference]: With dead ends: 134 [2024-11-10 19:03:02,142 INFO L226 Difference]: Without dead ends: 133 [2024-11-10 19:03:02,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:02,144 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:02,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-10 19:03:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-10 19:03:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.671641791044776) internal successors, (112), 101 states have internal predecessors, (112), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:03:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2024-11-10 19:03:02,166 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 6 [2024-11-10 19:03:02,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:02,167 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2024-11-10 19:03:02,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-10 19:03:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:03:02,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:02,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:02,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:03:02,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:02,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:02,169 INFO L85 PathProgramCache]: Analyzing trace with hash 765816417, now seen corresponding path program 1 times [2024-11-10 19:03:02,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:02,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417471437] [2024-11-10 19:03:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:02,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:02,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417471437] [2024-11-10 19:03:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417471437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:02,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:02,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:02,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420572369] [2024-11-10 19:03:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:02,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:02,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:02,235 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:02,298 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2024-11-10 19:03:02,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:02,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 19:03:02,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:02,306 INFO L225 Difference]: With dead ends: 120 [2024-11-10 19:03:02,307 INFO L226 Difference]: Without dead ends: 111 [2024-11-10 19:03:02,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:02,310 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:02,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 283 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-10 19:03:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-10 19:03:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 101 states have internal predecessors, (110), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:03:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2024-11-10 19:03:02,326 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 7 [2024-11-10 19:03:02,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:02,328 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2024-11-10 19:03:02,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2024-11-10 19:03:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:03:02,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:02,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:02,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:03:02,330 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:02,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -429336967, now seen corresponding path program 1 times [2024-11-10 19:03:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:02,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980922216] [2024-11-10 19:03:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:02,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770424927] [2024-11-10 19:03:02,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:02,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:02,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:03:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:02,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:02,436 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980922216] [2024-11-10 19:03:02,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770424927] [2024-11-10 19:03:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770424927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:02,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:02,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:02,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329904239] [2024-11-10 19:03:02,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:02,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:02,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:02,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:02,444 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:02,531 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-10 19:03:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 19:03:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:02,532 INFO L225 Difference]: With dead ends: 126 [2024-11-10 19:03:02,533 INFO L226 Difference]: Without dead ends: 124 [2024-11-10 19:03:02,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:02,535 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:02,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:02,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-10 19:03:02,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2024-11-10 19:03:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 101 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:03:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2024-11-10 19:03:02,548 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 10 [2024-11-10 19:03:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:02,549 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2024-11-10 19:03:02,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:03:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-11-10 19:03:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:03:02,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:02,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:02,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:03:02,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:02,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:02,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:02,755 INFO L85 PathProgramCache]: Analyzing trace with hash -395538071, now seen corresponding path program 1 times [2024-11-10 19:03:02,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:02,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923321026] [2024-11-10 19:03:02,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:02,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806545832] [2024-11-10 19:03:02,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:02,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:02,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:02,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:03:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:02,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:02,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:02,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:02,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:02,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923321026] [2024-11-10 19:03:02,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:02,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806545832] [2024-11-10 19:03:02,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806545832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:02,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:02,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:02,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697076524] [2024-11-10 19:03:02,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:02,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:02,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:02,870 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:03,055 INFO L93 Difference]: Finished difference Result 172 states and 195 transitions. [2024-11-10 19:03:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:03,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-10 19:03:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:03,058 INFO L225 Difference]: With dead ends: 172 [2024-11-10 19:03:03,058 INFO L226 Difference]: Without dead ends: 166 [2024-11-10 19:03:03,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:03,060 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:03,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 152 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-10 19:03:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 142. [2024-11-10 19:03:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 127 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:03:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-10 19:03:03,076 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 17 [2024-11-10 19:03:03,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:03,078 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-10 19:03:03,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-10 19:03:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:03:03,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:03,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:03,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:03,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:03,281 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:03,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:03,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2140004711, now seen corresponding path program 1 times [2024-11-10 19:03:03,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702907023] [2024-11-10 19:03:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283319127] [2024-11-10 19:03:03,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:03,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:03,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:03,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:03:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:03,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:03,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:03,451 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:03,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:03,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702907023] [2024-11-10 19:03:03,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:03,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283319127] [2024-11-10 19:03:03,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283319127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:03,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:03,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:03,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994182705] [2024-11-10 19:03:03,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:03,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:03,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:03,454 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:03,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:03,638 INFO L93 Difference]: Finished difference Result 164 states and 184 transitions. [2024-11-10 19:03:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:03,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-10 19:03:03,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:03,640 INFO L225 Difference]: With dead ends: 164 [2024-11-10 19:03:03,640 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 19:03:03,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:03,642 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 197 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:03,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:03,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 19:03:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-10 19:03:03,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 95 states have (on average 1.5894736842105264) internal successors, (151), 128 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:03:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2024-11-10 19:03:03,658 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 19 [2024-11-10 19:03:03,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:03,659 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2024-11-10 19:03:03,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-10 19:03:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 19:03:03,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:03,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:03,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:03,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:03,865 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:03,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:03,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1915636647, now seen corresponding path program 1 times [2024-11-10 19:03:03,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:03,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896738853] [2024-11-10 19:03:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:03,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079508773] [2024-11-10 19:03:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:03,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:03,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:03,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:03,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:03:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:03,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:03,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:03:04,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:04,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:04,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896738853] [2024-11-10 19:03:04,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:04,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079508773] [2024-11-10 19:03:04,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079508773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:04,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:04,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:04,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467546991] [2024-11-10 19:03:04,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:04,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:04,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:04,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:04,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:04,033 INFO L87 Difference]: Start difference. First operand 143 states and 175 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:04,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:04,191 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2024-11-10 19:03:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-10 19:03:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:04,192 INFO L225 Difference]: With dead ends: 164 [2024-11-10 19:03:04,192 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 19:03:04,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:04,193 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:04,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 19:03:04,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2024-11-10 19:03:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.576086956521739) internal successors, (145), 125 states have internal predecessors, (145), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:03:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-11-10 19:03:04,216 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 20 [2024-11-10 19:03:04,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:04,217 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-11-10 19:03:04,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:03:04,217 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-11-10 19:03:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:03:04,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:04,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:04,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:03:04,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:04,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:04,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:04,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1418721612, now seen corresponding path program 1 times [2024-11-10 19:03:04,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:04,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267740873] [2024-11-10 19:03:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:03:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267740873] [2024-11-10 19:03:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267740873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:04,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262499415] [2024-11-10 19:03:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:04,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:04,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:04,557 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:04,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:04,628 INFO L93 Difference]: Finished difference Result 140 states and 169 transitions. [2024-11-10 19:03:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:03:04,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-10 19:03:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:04,631 INFO L225 Difference]: With dead ends: 140 [2024-11-10 19:03:04,631 INFO L226 Difference]: Without dead ends: 138 [2024-11-10 19:03:04,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:04,633 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 91 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:04,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 259 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-10 19:03:04,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-10 19:03:04,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 92 states have (on average 1.5434782608695652) internal successors, (142), 123 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:03:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-10 19:03:04,649 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 28 [2024-11-10 19:03:04,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:04,650 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-10 19:03:04,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-11-10 19:03:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:03:04,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:04,651 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:04,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:03:04,652 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:04,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1030697047, now seen corresponding path program 1 times [2024-11-10 19:03:04,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:04,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334792936] [2024-11-10 19:03:04,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:03:04,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:04,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334792936] [2024-11-10 19:03:04,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334792936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:04,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:04,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:04,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836360451] [2024-11-10 19:03:04,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:04,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:04,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:04,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:04,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:04,798 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:04,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:04,868 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2024-11-10 19:03:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:04,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-10 19:03:04,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:04,870 INFO L225 Difference]: With dead ends: 231 [2024-11-10 19:03:04,870 INFO L226 Difference]: Without dead ends: 143 [2024-11-10 19:03:04,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:04,873 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 14 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:04,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 439 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:04,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-10 19:03:04,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-10 19:03:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 128 states have internal predecessors, (147), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:03:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-10 19:03:04,886 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 29 [2024-11-10 19:03:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:04,888 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-10 19:03:04,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-10 19:03:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:03:04,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:04,889 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:03:04,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:04,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 774561800, now seen corresponding path program 1 times [2024-11-10 19:03:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057614648] [2024-11-10 19:03:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:04,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124982952] [2024-11-10 19:03:04,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:04,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:04,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:04,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:03:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:04,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:04,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:03:05,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:05,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:05,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057614648] [2024-11-10 19:03:05,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:05,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124982952] [2024-11-10 19:03:05,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124982952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:05,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:05,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:05,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118622072] [2024-11-10 19:03:05,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:05,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:05,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:05,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:05,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:05,044 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:05,289 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2024-11-10 19:03:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:05,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-10 19:03:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:05,291 INFO L225 Difference]: With dead ends: 223 [2024-11-10 19:03:05,291 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 19:03:05,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:05,292 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 129 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:05,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 105 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:05,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 19:03:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 198. [2024-11-10 19:03:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 144 states have (on average 1.5277777777777777) internal successors, (220), 175 states have internal predecessors, (220), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2024-11-10 19:03:05,314 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 32 [2024-11-10 19:03:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:05,314 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2024-11-10 19:03:05,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2024-11-10 19:03:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:03:05,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:05,315 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:05,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:05,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:03:05,519 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:05,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:05,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1758387948, now seen corresponding path program 1 times [2024-11-10 19:03:05,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:05,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346683339] [2024-11-10 19:03:05,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:05,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:05,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674064976] [2024-11-10 19:03:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:05,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:05,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:05,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:03:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:05,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:05,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:03:05,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:05,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346683339] [2024-11-10 19:03:05,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674064976] [2024-11-10 19:03:05,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674064976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:05,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:05,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:05,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041410435] [2024-11-10 19:03:05,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:05,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:05,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:05,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:05,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:05,658 INFO L87 Difference]: Start difference. First operand 198 states and 260 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:05,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:05,804 INFO L93 Difference]: Finished difference Result 221 states and 285 transitions. [2024-11-10 19:03:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:05,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 19:03:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:05,806 INFO L225 Difference]: With dead ends: 221 [2024-11-10 19:03:05,806 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 19:03:05,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:05,807 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 96 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:05,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 117 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 19:03:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2024-11-10 19:03:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 145 states have (on average 1.4965517241379311) internal successors, (217), 176 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 257 transitions. [2024-11-10 19:03:05,821 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 257 transitions. Word has length 33 [2024-11-10 19:03:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:05,821 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 257 transitions. [2024-11-10 19:03:05,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:03:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 257 transitions. [2024-11-10 19:03:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:03:05,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:05,823 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:05,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:03:06,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:06,024 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:06,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1584173418, now seen corresponding path program 1 times [2024-11-10 19:03:06,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020296487] [2024-11-10 19:03:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:06,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020296487] [2024-11-10 19:03:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020296487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:06,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:06,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222526039] [2024-11-10 19:03:06,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:06,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:06,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:06,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:06,129 INFO L87 Difference]: Start difference. First operand 199 states and 257 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:06,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:06,588 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2024-11-10 19:03:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:06,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-11-10 19:03:06,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:06,591 INFO L225 Difference]: With dead ends: 238 [2024-11-10 19:03:06,592 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:03:06,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:06,592 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 148 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:06,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 98 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:03:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 203. [2024-11-10 19:03:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.4697986577181208) internal successors, (219), 180 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-10 19:03:06,607 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 53 [2024-11-10 19:03:06,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:06,608 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-10 19:03:06,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-10 19:03:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:03:06,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:06,609 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:06,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:03:06,609 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:06,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1864735715, now seen corresponding path program 1 times [2024-11-10 19:03:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:06,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366368699] [2024-11-10 19:03:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:06,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:06,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366368699] [2024-11-10 19:03:06,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366368699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:06,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:06,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656519370] [2024-11-10 19:03:06,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:06,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:06,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:06,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:06,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:06,720 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:06,873 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2024-11-10 19:03:06,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:06,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-10 19:03:06,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:06,875 INFO L225 Difference]: With dead ends: 238 [2024-11-10 19:03:06,876 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:03:06,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:06,877 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 145 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:06,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 100 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:03:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2024-11-10 19:03:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4503311258278146) internal successors, (219), 182 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 259 transitions. [2024-11-10 19:03:06,900 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 259 transitions. Word has length 54 [2024-11-10 19:03:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:06,900 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 259 transitions. [2024-11-10 19:03:06,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2024-11-10 19:03:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:03:06,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:06,902 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:06,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:03:06,902 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:06,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660014, now seen corresponding path program 1 times [2024-11-10 19:03:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:06,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659277895] [2024-11-10 19:03:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:06,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:06,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659277895] [2024-11-10 19:03:06,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659277895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:06,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:06,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:06,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244741848] [2024-11-10 19:03:06,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:06,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:06,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:06,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:06,964 INFO L87 Difference]: Start difference. First operand 205 states and 259 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:07,018 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-10 19:03:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:07,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-10 19:03:07,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:07,020 INFO L225 Difference]: With dead ends: 213 [2024-11-10 19:03:07,020 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 19:03:07,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:07,021 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:07,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 19:03:07,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 205. [2024-11-10 19:03:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4437086092715232) internal successors, (218), 182 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 258 transitions. [2024-11-10 19:03:07,033 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 258 transitions. Word has length 56 [2024-11-10 19:03:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:07,033 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 258 transitions. [2024-11-10 19:03:07,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2024-11-10 19:03:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:03:07,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:07,034 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:07,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:03:07,035 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:07,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:07,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660064, now seen corresponding path program 1 times [2024-11-10 19:03:07,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:07,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333926159] [2024-11-10 19:03:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:07,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:07,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:07,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333926159] [2024-11-10 19:03:07,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333926159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:07,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:07,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:07,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804218922] [2024-11-10 19:03:07,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:07,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:07,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:07,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:07,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:07,144 INFO L87 Difference]: Start difference. First operand 205 states and 258 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:03:07,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:07,205 INFO L93 Difference]: Finished difference Result 205 states and 258 transitions. [2024-11-10 19:03:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:07,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2024-11-10 19:03:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:07,207 INFO L225 Difference]: With dead ends: 205 [2024-11-10 19:03:07,207 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 19:03:07,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:07,208 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 70 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:07,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 68 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 19:03:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 19:03:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.4172185430463575) internal successors, (214), 181 states have internal predecessors, (214), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:03:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-11-10 19:03:07,220 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 56 [2024-11-10 19:03:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:07,220 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-11-10 19:03:07,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:03:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-11-10 19:03:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:03:07,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:07,221 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:07,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:03:07,222 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:07,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:07,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1234689350, now seen corresponding path program 1 times [2024-11-10 19:03:07,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:07,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704214685] [2024-11-10 19:03:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:07,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704214685] [2024-11-10 19:03:07,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704214685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:07,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:07,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:07,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299125441] [2024-11-10 19:03:07,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:07,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:07,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:07,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:07,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:07,300 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:03:07,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:07,405 INFO L93 Difference]: Finished difference Result 326 states and 412 transitions. [2024-11-10 19:03:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:07,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2024-11-10 19:03:07,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:07,407 INFO L225 Difference]: With dead ends: 326 [2024-11-10 19:03:07,408 INFO L226 Difference]: Without dead ends: 325 [2024-11-10 19:03:07,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:07,409 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 211 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:07,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 231 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-10 19:03:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 292. [2024-11-10 19:03:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 259 states have internal predecessors, (334), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 19:03:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 394 transitions. [2024-11-10 19:03:07,426 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 394 transitions. Word has length 57 [2024-11-10 19:03:07,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:07,426 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 394 transitions. [2024-11-10 19:03:07,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:03:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 394 transitions. [2024-11-10 19:03:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:03:07,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:07,427 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:07,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:03:07,428 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:07,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:07,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1234690919, now seen corresponding path program 1 times [2024-11-10 19:03:07,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:07,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567001090] [2024-11-10 19:03:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:07,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:07,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567001090] [2024-11-10 19:03:07,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567001090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:07,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:07,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:07,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279487321] [2024-11-10 19:03:07,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:07,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:07,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:07,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:07,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:07,513 INFO L87 Difference]: Start difference. First operand 292 states and 394 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:08,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:08,058 INFO L93 Difference]: Finished difference Result 413 states and 553 transitions. [2024-11-10 19:03:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:08,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-10 19:03:08,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:08,060 INFO L225 Difference]: With dead ends: 413 [2024-11-10 19:03:08,060 INFO L226 Difference]: Without dead ends: 412 [2024-11-10 19:03:08,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:08,061 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 355 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:08,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 302 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:03:08,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-10 19:03:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 370. [2024-11-10 19:03:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 297 states have (on average 1.4511784511784511) internal successors, (431), 327 states have internal predecessors, (431), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:03:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 511 transitions. [2024-11-10 19:03:08,084 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 511 transitions. Word has length 57 [2024-11-10 19:03:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:08,084 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 511 transitions. [2024-11-10 19:03:08,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 511 transitions. [2024-11-10 19:03:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:03:08,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:08,085 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:08,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:03:08,086 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:08,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:08,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1125491236, now seen corresponding path program 1 times [2024-11-10 19:03:08,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:08,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109228521] [2024-11-10 19:03:08,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:08,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:08,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:08,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109228521] [2024-11-10 19:03:08,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109228521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:08,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:08,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390099382] [2024-11-10 19:03:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:08,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:08,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:08,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:08,172 INFO L87 Difference]: Start difference. First operand 370 states and 511 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:08,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:08,470 INFO L93 Difference]: Finished difference Result 403 states and 538 transitions. [2024-11-10 19:03:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:08,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-10 19:03:08,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:08,473 INFO L225 Difference]: With dead ends: 403 [2024-11-10 19:03:08,473 INFO L226 Difference]: Without dead ends: 401 [2024-11-10 19:03:08,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:08,474 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:08,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-10 19:03:08,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 375. [2024-11-10 19:03:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 302 states have (on average 1.4437086092715232) internal successors, (436), 332 states have internal predecessors, (436), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:03:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 516 transitions. [2024-11-10 19:03:08,499 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 516 transitions. Word has length 59 [2024-11-10 19:03:08,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:08,500 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 516 transitions. [2024-11-10 19:03:08,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 516 transitions. [2024-11-10 19:03:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 19:03:08,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:08,501 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:08,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:03:08,501 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:08,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:08,502 INFO L85 PathProgramCache]: Analyzing trace with hash 261576157, now seen corresponding path program 1 times [2024-11-10 19:03:08,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:08,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467717803] [2024-11-10 19:03:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:08,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467717803] [2024-11-10 19:03:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467717803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583902348] [2024-11-10 19:03:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:08,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:08,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:08,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:03:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:08,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:03:08,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:08,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:08,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583902348] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:08,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:03:08,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-10 19:03:08,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703709915] [2024-11-10 19:03:08,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:08,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:08,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:03:08,922 INFO L87 Difference]: Start difference. First operand 375 states and 516 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:09,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:09,062 INFO L93 Difference]: Finished difference Result 416 states and 547 transitions. [2024-11-10 19:03:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:03:09,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-10 19:03:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:09,065 INFO L225 Difference]: With dead ends: 416 [2024-11-10 19:03:09,065 INFO L226 Difference]: Without dead ends: 414 [2024-11-10 19:03:09,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:09,066 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 125 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:09,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 416 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:09,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-10 19:03:09,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 383. [2024-11-10 19:03:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 338 states have internal predecessors, (434), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 19:03:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2024-11-10 19:03:09,087 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 64 [2024-11-10 19:03:09,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:09,087 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2024-11-10 19:03:09,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2024-11-10 19:03:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:03:09,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:09,088 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:09,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:09,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:09,289 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:09,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:09,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1544678673, now seen corresponding path program 1 times [2024-11-10 19:03:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:09,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583786354] [2024-11-10 19:03:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:09,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:09,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:09,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583786354] [2024-11-10 19:03:09,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583786354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:09,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791914391] [2024-11-10 19:03:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:09,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:09,388 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:09,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:03:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:09,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:03:09,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:09,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:03:09,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791914391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:09,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:09,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2024-11-10 19:03:09,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444534409] [2024-11-10 19:03:09,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:09,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:09,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:09,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:09,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:09,628 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-10 19:03:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:09,829 INFO L93 Difference]: Finished difference Result 706 states and 895 transitions. [2024-11-10 19:03:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:03:09,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 67 [2024-11-10 19:03:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:09,832 INFO L225 Difference]: With dead ends: 706 [2024-11-10 19:03:09,832 INFO L226 Difference]: Without dead ends: 532 [2024-11-10 19:03:09,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:03:09,833 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 97 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:09,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 672 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-10 19:03:09,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 481. [2024-11-10 19:03:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 424 states have internal predecessors, (541), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 19:03:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 641 transitions. [2024-11-10 19:03:09,857 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 641 transitions. Word has length 67 [2024-11-10 19:03:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:09,857 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 641 transitions. [2024-11-10 19:03:09,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-10 19:03:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 641 transitions. [2024-11-10 19:03:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:03:09,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:09,858 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:09,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:03:10,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:10,060 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:10,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1295011301, now seen corresponding path program 1 times [2024-11-10 19:03:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:10,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768001371] [2024-11-10 19:03:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:10,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340988396] [2024-11-10 19:03:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:10,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:10,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:10,076 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:10,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:03:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:10,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:03:10,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:10,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:10,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768001371] [2024-11-10 19:03:10,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:10,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340988396] [2024-11-10 19:03:10,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340988396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:10,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:10,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:03:10,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074850171] [2024-11-10 19:03:10,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:10,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:10,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:10,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:10,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:10,491 INFO L87 Difference]: Start difference. First operand 481 states and 641 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:10,924 INFO L93 Difference]: Finished difference Result 702 states and 943 transitions. [2024-11-10 19:03:10,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:03:10,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-10 19:03:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:10,928 INFO L225 Difference]: With dead ends: 702 [2024-11-10 19:03:10,928 INFO L226 Difference]: Without dead ends: 693 [2024-11-10 19:03:10,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:10,929 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 313 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:10,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 216 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:10,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-10 19:03:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 658. [2024-11-10 19:03:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 549 states have (on average 1.355191256830601) internal successors, (744), 581 states have internal predecessors, (744), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 19:03:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 884 transitions. [2024-11-10 19:03:10,965 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 884 transitions. Word has length 74 [2024-11-10 19:03:10,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:10,966 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 884 transitions. [2024-11-10 19:03:10,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 884 transitions. [2024-11-10 19:03:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:03:10,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:10,967 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:10,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:03:11,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:11,168 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:11,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:11,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1490644717, now seen corresponding path program 1 times [2024-11-10 19:03:11,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:11,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410387270] [2024-11-10 19:03:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:11,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858019589] [2024-11-10 19:03:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:11,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:11,187 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:11,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:03:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:11,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:03:11,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:11,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:12,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:12,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410387270] [2024-11-10 19:03:12,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:12,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858019589] [2024-11-10 19:03:12,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858019589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:12,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:12,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:03:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375555293] [2024-11-10 19:03:12,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:12,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:12,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:12,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:12,483 INFO L87 Difference]: Start difference. First operand 658 states and 884 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:12,749 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-10 19:03:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:12,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-10 19:03:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:12,752 INFO L225 Difference]: With dead ends: 739 [2024-11-10 19:03:12,752 INFO L226 Difference]: Without dead ends: 736 [2024-11-10 19:03:12,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:12,753 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 171 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:12,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 213 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:12,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-10 19:03:12,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-10 19:03:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 580 states have (on average 1.353448275862069) internal successors, (785), 611 states have internal predecessors, (785), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 19:03:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 933 transitions. [2024-11-10 19:03:12,794 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 933 transitions. Word has length 75 [2024-11-10 19:03:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:12,794 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 933 transitions. [2024-11-10 19:03:12,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 933 transitions. [2024-11-10 19:03:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:03:12,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:12,795 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:12,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:12,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:03:13,000 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:13,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1034653981, now seen corresponding path program 1 times [2024-11-10 19:03:13,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:13,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157904518] [2024-11-10 19:03:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:13,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:13,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:13,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157904518] [2024-11-10 19:03:13,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157904518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:13,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:13,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:13,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229784382] [2024-11-10 19:03:13,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:13,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:13,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:13,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:13,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:13,124 INFO L87 Difference]: Start difference. First operand 693 states and 933 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:14,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:14,373 INFO L93 Difference]: Finished difference Result 997 states and 1367 transitions. [2024-11-10 19:03:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-10 19:03:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:14,380 INFO L225 Difference]: With dead ends: 997 [2024-11-10 19:03:14,381 INFO L226 Difference]: Without dead ends: 994 [2024-11-10 19:03:14,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:14,382 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 164 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:14,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 263 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:03:14,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-10 19:03:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 712. [2024-11-10 19:03:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 596 states have (on average 1.3406040268456376) internal successors, (799), 626 states have internal predecessors, (799), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 19:03:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 955 transitions. [2024-11-10 19:03:14,432 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 955 transitions. Word has length 76 [2024-11-10 19:03:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:14,432 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 955 transitions. [2024-11-10 19:03:14,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 955 transitions. [2024-11-10 19:03:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:03:14,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:14,433 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:14,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 19:03:14,434 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:14,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:14,434 INFO L85 PathProgramCache]: Analyzing trace with hash 140306085, now seen corresponding path program 1 times [2024-11-10 19:03:14,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:14,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375685674] [2024-11-10 19:03:14,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:14,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287655594] [2024-11-10 19:03:14,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:14,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:14,458 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:14,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:03:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:03:14,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:14,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:14,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375685674] [2024-11-10 19:03:14,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287655594] [2024-11-10 19:03:14,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287655594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:14,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:14,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:03:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375190869] [2024-11-10 19:03:14,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:14,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:14,693 INFO L87 Difference]: Start difference. First operand 712 states and 955 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:14,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:14,974 INFO L93 Difference]: Finished difference Result 735 states and 991 transitions. [2024-11-10 19:03:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:03:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-10 19:03:14,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:14,977 INFO L225 Difference]: With dead ends: 735 [2024-11-10 19:03:14,978 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 19:03:14,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:14,979 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 131 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:14,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 282 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:14,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 19:03:15,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 708. [2024-11-10 19:03:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 596 states have (on average 1.3187919463087248) internal successors, (786), 622 states have internal predecessors, (786), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 19:03:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 942 transitions. [2024-11-10 19:03:15,036 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 942 transitions. Word has length 76 [2024-11-10 19:03:15,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:15,036 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 942 transitions. [2024-11-10 19:03:15,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 942 transitions. [2024-11-10 19:03:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:03:15,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:15,037 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:15,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:15,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 19:03:15,238 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:15,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2009502293, now seen corresponding path program 1 times [2024-11-10 19:03:15,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:15,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972086244] [2024-11-10 19:03:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:15,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626440699] [2024-11-10 19:03:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:15,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:15,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:15,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:03:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:03:15,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:15,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:23,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:23,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972086244] [2024-11-10 19:03:23,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:23,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626440699] [2024-11-10 19:03:23,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626440699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:23,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:23,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:03:23,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661178597] [2024-11-10 19:03:23,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:23,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:23,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:23,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=81, Unknown=2, NotChecked=0, Total=110 [2024-11-10 19:03:23,830 INFO L87 Difference]: Start difference. First operand 708 states and 942 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:24,430 INFO L93 Difference]: Finished difference Result 739 states and 962 transitions. [2024-11-10 19:03:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:03:24,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-10 19:03:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:24,434 INFO L225 Difference]: With dead ends: 739 [2024-11-10 19:03:24,434 INFO L226 Difference]: Without dead ends: 732 [2024-11-10 19:03:24,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=52, Invalid=156, Unknown=2, NotChecked=0, Total=210 [2024-11-10 19:03:24,435 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 300 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:24,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 267 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:03:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-10 19:03:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 706. [2024-11-10 19:03:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 594 states have (on average 1.3131313131313131) internal successors, (780), 620 states have internal predecessors, (780), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 19:03:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 936 transitions. [2024-11-10 19:03:24,483 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 936 transitions. Word has length 77 [2024-11-10 19:03:24,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:24,484 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 936 transitions. [2024-11-10 19:03:24,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 936 transitions. [2024-11-10 19:03:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:03:24,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:24,488 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:24,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:24,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:03:24,693 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:24,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:24,693 INFO L85 PathProgramCache]: Analyzing trace with hash 54521367, now seen corresponding path program 1 times [2024-11-10 19:03:24,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:24,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340010082] [2024-11-10 19:03:24,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:24,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:24,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837936632] [2024-11-10 19:03:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:24,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:24,710 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:24,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:03:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:24,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:03:24,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:03:24,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:25,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340010082] [2024-11-10 19:03:25,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837936632] [2024-11-10 19:03:25,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837936632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:25,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:25,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:03:25,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600474139] [2024-11-10 19:03:25,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:25,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:03:25,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:25,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:03:25,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:25,305 INFO L87 Difference]: Start difference. First operand 706 states and 936 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:25,633 INFO L93 Difference]: Finished difference Result 1118 states and 1542 transitions. [2024-11-10 19:03:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:03:25,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-10 19:03:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:25,639 INFO L225 Difference]: With dead ends: 1118 [2024-11-10 19:03:25,639 INFO L226 Difference]: Without dead ends: 1114 [2024-11-10 19:03:25,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:25,640 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 172 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:25,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 334 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:25,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-10 19:03:25,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 885. [2024-11-10 19:03:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 753 states have (on average 1.3173970783532536) internal successors, (992), 778 states have internal predecessors, (992), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-10 19:03:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1188 transitions. [2024-11-10 19:03:25,706 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1188 transitions. Word has length 77 [2024-11-10 19:03:25,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:25,707 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1188 transitions. [2024-11-10 19:03:25,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:03:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1188 transitions. [2024-11-10 19:03:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 19:03:25,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:25,708 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:25,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:25,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:03:25,909 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:25,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash -639779091, now seen corresponding path program 1 times [2024-11-10 19:03:25,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:25,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330195609] [2024-11-10 19:03:25,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330195609] [2024-11-10 19:03:25,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330195609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701680933] [2024-11-10 19:03:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:25,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:25,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:25,997 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:25,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:03:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:26,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:26,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:26,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701680933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:26,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:26,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 19:03:26,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075173480] [2024-11-10 19:03:26,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:26,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:26,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:26,251 INFO L87 Difference]: Start difference. First operand 885 states and 1188 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-10 19:03:27,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:27,485 INFO L93 Difference]: Finished difference Result 1480 states and 2044 transitions. [2024-11-10 19:03:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:27,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 97 [2024-11-10 19:03:27,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:27,492 INFO L225 Difference]: With dead ends: 1480 [2024-11-10 19:03:27,492 INFO L226 Difference]: Without dead ends: 1478 [2024-11-10 19:03:27,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:27,493 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 406 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:27,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 387 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:03:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-10 19:03:27,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1166. [2024-11-10 19:03:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 993 states have (on average 1.3212487411883183) internal successors, (1312), 1017 states have internal predecessors, (1312), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 19:03:27,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1592 transitions. [2024-11-10 19:03:27,569 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1592 transitions. Word has length 97 [2024-11-10 19:03:27,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:27,569 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1592 transitions. [2024-11-10 19:03:27,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-10 19:03:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1592 transitions. [2024-11-10 19:03:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:03:27,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:27,571 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:27,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:03:27,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:27,775 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:27,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1641684672, now seen corresponding path program 1 times [2024-11-10 19:03:27,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:27,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462521750] [2024-11-10 19:03:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:27,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:27,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462521750] [2024-11-10 19:03:27,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462521750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:27,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259572798] [2024-11-10 19:03:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:27,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:27,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:27,880 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:27,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:03:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:27,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:28,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:28,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259572798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:28,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-10 19:03:28,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861563462] [2024-11-10 19:03:28,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:28,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:28,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:28,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:28,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:28,167 INFO L87 Difference]: Start difference. First operand 1166 states and 1592 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:03:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:29,142 INFO L93 Difference]: Finished difference Result 1516 states and 2057 transitions. [2024-11-10 19:03:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:03:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-11-10 19:03:29,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:29,148 INFO L225 Difference]: With dead ends: 1516 [2024-11-10 19:03:29,148 INFO L226 Difference]: Without dead ends: 1514 [2024-11-10 19:03:29,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:29,149 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 938 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:29,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 528 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:03:29,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-11-10 19:03:29,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1170. [2024-11-10 19:03:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 998 states have (on average 1.2885771543086173) internal successors, (1286), 1021 states have internal predecessors, (1286), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 19:03:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1566 transitions. [2024-11-10 19:03:29,236 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1566 transitions. Word has length 98 [2024-11-10 19:03:29,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,236 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1566 transitions. [2024-11-10 19:03:29,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-10 19:03:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1566 transitions. [2024-11-10 19:03:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:03:29,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,238 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:03:29,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:03:29,442 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:29,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1405972491, now seen corresponding path program 1 times [2024-11-10 19:03:29,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065503491] [2024-11-10 19:03:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:29,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065503491] [2024-11-10 19:03:29,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065503491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:29,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:29,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:29,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561038277] [2024-11-10 19:03:29,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:29,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:29,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:29,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:29,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:29,519 INFO L87 Difference]: Start difference. First operand 1170 states and 1566 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:29,625 INFO L93 Difference]: Finished difference Result 1170 states and 1566 transitions. [2024-11-10 19:03:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:29,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-11-10 19:03:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:29,630 INFO L225 Difference]: With dead ends: 1170 [2024-11-10 19:03:29,630 INFO L226 Difference]: Without dead ends: 1169 [2024-11-10 19:03:29,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:29,635 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 23 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:29,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:29,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-10 19:03:29,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-10 19:03:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 998 states have (on average 1.279559118236473) internal successors, (1277), 1020 states have internal predecessors, (1277), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 19:03:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1557 transitions. [2024-11-10 19:03:29,731 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1557 transitions. Word has length 100 [2024-11-10 19:03:29,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,734 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1557 transitions. [2024-11-10 19:03:29,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1557 transitions. [2024-11-10 19:03:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 19:03:29,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,735 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 19:03:29,736 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:29,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,736 INFO L85 PathProgramCache]: Analyzing trace with hash 805396839, now seen corresponding path program 1 times [2024-11-10 19:03:29,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297472572] [2024-11-10 19:03:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:29,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297472572] [2024-11-10 19:03:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297472572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:29,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027812627] [2024-11-10 19:03:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:29,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:29,855 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:29,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:03:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:29,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:30,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:30,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027812627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:30,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:30,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:03:30,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719690225] [2024-11-10 19:03:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:30,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:30,085 INFO L87 Difference]: Start difference. First operand 1169 states and 1557 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:30,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:30,469 INFO L93 Difference]: Finished difference Result 1187 states and 1588 transitions. [2024-11-10 19:03:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 103 [2024-11-10 19:03:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:30,473 INFO L225 Difference]: With dead ends: 1187 [2024-11-10 19:03:30,473 INFO L226 Difference]: Without dead ends: 1186 [2024-11-10 19:03:30,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:30,474 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 74 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:30,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 167 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:30,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-10 19:03:30,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1168. [2024-11-10 19:03:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 998 states have (on average 1.2725450901803608) internal successors, (1270), 1019 states have internal predecessors, (1270), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 19:03:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1550 transitions. [2024-11-10 19:03:30,542 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1550 transitions. Word has length 103 [2024-11-10 19:03:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:30,543 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1550 transitions. [2024-11-10 19:03:30,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1550 transitions. [2024-11-10 19:03:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:03:30,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:30,544 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:30,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:30,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:30,745 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:30,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash -802501784, now seen corresponding path program 1 times [2024-11-10 19:03:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:30,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493752833] [2024-11-10 19:03:30,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:30,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:30,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493752833] [2024-11-10 19:03:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493752833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504269884] [2024-11-10 19:03:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:30,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:30,860 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:30,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:03:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:30,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:31,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:03:31,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504269884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:31,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:31,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:03:31,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821614247] [2024-11-10 19:03:31,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:31,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:31,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:31,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:31,215 INFO L87 Difference]: Start difference. First operand 1168 states and 1550 transitions. Second operand has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:03:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:31,794 INFO L93 Difference]: Finished difference Result 1621 states and 2168 transitions. [2024-11-10 19:03:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 104 [2024-11-10 19:03:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:31,801 INFO L225 Difference]: With dead ends: 1621 [2024-11-10 19:03:31,801 INFO L226 Difference]: Without dead ends: 1619 [2024-11-10 19:03:31,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:03:31,804 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 335 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:31,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 425 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-10 19:03:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1340. [2024-11-10 19:03:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1152 states have (on average 1.2708333333333333) internal successors, (1464), 1173 states have internal predecessors, (1464), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-10 19:03:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1780 transitions. [2024-11-10 19:03:31,918 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1780 transitions. Word has length 104 [2024-11-10 19:03:31,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:31,918 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1780 transitions. [2024-11-10 19:03:31,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:03:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1780 transitions. [2024-11-10 19:03:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:03:31,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:31,920 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:31,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:03:32,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,121 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:32,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:32,121 INFO L85 PathProgramCache]: Analyzing trace with hash 746877923, now seen corresponding path program 1 times [2024-11-10 19:03:32,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:32,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631525496] [2024-11-10 19:03:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 19:03:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 19:03:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 19:03:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:32,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:32,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631525496] [2024-11-10 19:03:32,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631525496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:32,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94474835] [2024-11-10 19:03:32,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:32,238 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:32,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:03:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:03:32,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:32,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:32,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94474835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:32,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:32,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-10 19:03:32,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096725314] [2024-11-10 19:03:32,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:32,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:03:32,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:32,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:03:32,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:32,671 INFO L87 Difference]: Start difference. First operand 1340 states and 1780 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-10 19:03:33,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:33,061 INFO L93 Difference]: Finished difference Result 1394 states and 1837 transitions. [2024-11-10 19:03:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:03:33,062 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 114 [2024-11-10 19:03:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:33,067 INFO L225 Difference]: With dead ends: 1394 [2024-11-10 19:03:33,068 INFO L226 Difference]: Without dead ends: 1393 [2024-11-10 19:03:33,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:03:33,071 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 584 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:33,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 339 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:33,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-10 19:03:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1261. [2024-11-10 19:03:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1084 states have (on average 1.2675276752767528) internal successors, (1374), 1104 states have internal predecessors, (1374), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 19:03:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1670 transitions. [2024-11-10 19:03:33,176 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1670 transitions. Word has length 114 [2024-11-10 19:03:33,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:33,177 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1670 transitions. [2024-11-10 19:03:33,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-10 19:03:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1670 transitions. [2024-11-10 19:03:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 19:03:33,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:33,178 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:33,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:03:33,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:33,383 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:33,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2012824797, now seen corresponding path program 1 times [2024-11-10 19:03:33,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:33,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902241894] [2024-11-10 19:03:33,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:03:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:33,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902241894] [2024-11-10 19:03:33,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902241894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:33,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051946030] [2024-11-10 19:03:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:33,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:33,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:33,529 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:33,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:03:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:03:33,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:33,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:33,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051946030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:33,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:33,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-10 19:03:33,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250863284] [2024-11-10 19:03:33,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:33,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:03:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:33,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:03:33,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:03:33,968 INFO L87 Difference]: Start difference. First operand 1261 states and 1670 transitions. Second operand has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-10 19:03:34,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:34,605 INFO L93 Difference]: Finished difference Result 2113 states and 2706 transitions. [2024-11-10 19:03:34,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-10 19:03:34,605 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 117 [2024-11-10 19:03:34,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:34,611 INFO L225 Difference]: With dead ends: 2113 [2024-11-10 19:03:34,611 INFO L226 Difference]: Without dead ends: 1820 [2024-11-10 19:03:34,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-10 19:03:34,614 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 572 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:34,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 801 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-10 19:03:34,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1563. [2024-11-10 19:03:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1347 states have (on average 1.250927988121752) internal successors, (1685), 1367 states have internal predecessors, (1685), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-10 19:03:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2047 transitions. [2024-11-10 19:03:34,733 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2047 transitions. Word has length 117 [2024-11-10 19:03:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:34,733 INFO L471 AbstractCegarLoop]: Abstraction has 1563 states and 2047 transitions. [2024-11-10 19:03:34,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-10 19:03:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2047 transitions. [2024-11-10 19:03:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 19:03:34,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:34,735 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:34,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:03:34,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:34,936 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:34,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:34,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1788592194, now seen corresponding path program 1 times [2024-11-10 19:03:34,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:34,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606723086] [2024-11-10 19:03:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:34,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908360878] [2024-11-10 19:03:34,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:34,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:34,957 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:34,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:03:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:03:35,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:35,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:35,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:35,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606723086] [2024-11-10 19:03:35,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:35,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908360878] [2024-11-10 19:03:35,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908360878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:35,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:35,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:03:35,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986773864] [2024-11-10 19:03:35,732 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:35,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:03:35,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:35,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:03:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:03:35,733 INFO L87 Difference]: Start difference. First operand 1563 states and 2047 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:36,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:36,657 INFO L93 Difference]: Finished difference Result 2982 states and 3996 transitions. [2024-11-10 19:03:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:03:36,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 118 [2024-11-10 19:03:36,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:36,668 INFO L225 Difference]: With dead ends: 2982 [2024-11-10 19:03:36,668 INFO L226 Difference]: Without dead ends: 2979 [2024-11-10 19:03:36,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:03:36,670 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 318 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:36,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 407 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:03:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-10 19:03:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1625. [2024-11-10 19:03:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1400 states have (on average 1.2507142857142857) internal successors, (1751), 1420 states have internal predecessors, (1751), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-10 19:03:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2131 transitions. [2024-11-10 19:03:36,802 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2131 transitions. Word has length 118 [2024-11-10 19:03:36,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:36,802 INFO L471 AbstractCegarLoop]: Abstraction has 1625 states and 2131 transitions. [2024-11-10 19:03:36,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2131 transitions. [2024-11-10 19:03:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 19:03:36,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:36,804 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:36,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:03:37,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:03:37,004 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:37,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:37,005 INFO L85 PathProgramCache]: Analyzing trace with hash -388216784, now seen corresponding path program 1 times [2024-11-10 19:03:37,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:37,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027276332] [2024-11-10 19:03:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027235646] [2024-11-10 19:03:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:37,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:37,030 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) [2024-11-10 19:03:37,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:03:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:37,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:03:37,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:37,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:38,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:38,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027276332] [2024-11-10 19:03:38,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:38,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027235646] [2024-11-10 19:03:38,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027235646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:38,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:38,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:03:38,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827777726] [2024-11-10 19:03:38,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:38,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:03:38,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:03:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:03:38,230 INFO L87 Difference]: Start difference. First operand 1625 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:38,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:38,821 INFO L93 Difference]: Finished difference Result 1797 states and 2344 transitions. [2024-11-10 19:03:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:03:38,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 119 [2024-11-10 19:03:38,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:38,833 INFO L225 Difference]: With dead ends: 1797 [2024-11-10 19:03:38,833 INFO L226 Difference]: Without dead ends: 1794 [2024-11-10 19:03:38,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:03:38,835 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 98 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:38,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 523 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:03:38,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-10 19:03:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1753. [2024-11-10 19:03:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1511 states have (on average 1.2495036399735275) internal successors, (1888), 1531 states have internal predecessors, (1888), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-10 19:03:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2302 transitions. [2024-11-10 19:03:38,957 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2302 transitions. Word has length 119 [2024-11-10 19:03:38,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:38,957 INFO L471 AbstractCegarLoop]: Abstraction has 1753 states and 2302 transitions. [2024-11-10 19:03:38,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2302 transitions. [2024-11-10 19:03:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:03:38,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:38,959 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:38,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 19:03:39,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-10 19:03:39,164 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:39,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:39,164 INFO L85 PathProgramCache]: Analyzing trace with hash 850181632, now seen corresponding path program 1 times [2024-11-10 19:03:39,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:39,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930821357] [2024-11-10 19:03:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 19:03:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:39,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:39,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930821357] [2024-11-10 19:03:39,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930821357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:39,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:39,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:39,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850055547] [2024-11-10 19:03:39,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:39,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:39,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:39,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:39,320 INFO L87 Difference]: Start difference. First operand 1753 states and 2302 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:03:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:39,966 INFO L93 Difference]: Finished difference Result 1760 states and 2305 transitions. [2024-11-10 19:03:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:03:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 120 [2024-11-10 19:03:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:39,974 INFO L225 Difference]: With dead ends: 1760 [2024-11-10 19:03:39,974 INFO L226 Difference]: Without dead ends: 1758 [2024-11-10 19:03:39,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:03:39,975 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:39,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-10 19:03:40,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1715. [2024-11-10 19:03:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1479 states have (on average 1.2420554428668018) internal successors, (1837), 1497 states have internal predecessors, (1837), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-10 19:03:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2243 transitions. [2024-11-10 19:03:40,146 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2243 transitions. Word has length 120 [2024-11-10 19:03:40,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:40,147 INFO L471 AbstractCegarLoop]: Abstraction has 1715 states and 2243 transitions. [2024-11-10 19:03:40,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:03:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2243 transitions. [2024-11-10 19:03:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:03:40,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:40,148 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:40,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 19:03:40,151 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:40,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:40,152 INFO L85 PathProgramCache]: Analyzing trace with hash 585826862, now seen corresponding path program 1 times [2024-11-10 19:03:40,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:40,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953814196] [2024-11-10 19:03:40,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:40,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:40,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754494095] [2024-11-10 19:03:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:40,173 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:40,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:03:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:40,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:03:40,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-10 19:03:40,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:53,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953814196] [2024-11-10 19:03:53,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:53,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754494095] [2024-11-10 19:03:53,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754494095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:53,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:53,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:03:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560427756] [2024-11-10 19:03:53,063 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:53,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:03:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:53,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:03:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2024-11-10 19:03:53,064 INFO L87 Difference]: Start difference. First operand 1715 states and 2243 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:03:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:53,841 INFO L93 Difference]: Finished difference Result 1741 states and 2259 transitions. [2024-11-10 19:03:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:53,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2024-11-10 19:03:53,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:53,847 INFO L225 Difference]: With dead ends: 1741 [2024-11-10 19:03:53,847 INFO L226 Difference]: Without dead ends: 1734 [2024-11-10 19:03:53,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=90, Invalid=327, Unknown=3, NotChecked=0, Total=420 [2024-11-10 19:03:53,849 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 229 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:53,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 463 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-10 19:03:53,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1564. [2024-11-10 19:03:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.239614243323442) internal successors, (1671), 1367 states have internal predecessors, (1671), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 19:03:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2037 transitions. [2024-11-10 19:03:53,982 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2037 transitions. Word has length 121 [2024-11-10 19:03:53,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:53,983 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2037 transitions. [2024-11-10 19:03:53,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:03:53,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2037 transitions. [2024-11-10 19:03:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:03:53,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:53,984 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:54,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:54,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:03:54,185 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:54,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1645116774, now seen corresponding path program 2 times [2024-11-10 19:03:54,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069495851] [2024-11-10 19:03:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:54,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096235904] [2024-11-10 19:03:54,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:54,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:54,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:54,202 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:54,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:03:54,266 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:54,267 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:54,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:03:54,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-10 19:03:54,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:54,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:54,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069495851] [2024-11-10 19:03:54,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:54,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096235904] [2024-11-10 19:03:54,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096235904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:54,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:54,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:03:54,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831386149] [2024-11-10 19:03:54,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:54,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:54,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:54,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:03:54,980 INFO L87 Difference]: Start difference. First operand 1564 states and 2037 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:55,495 INFO L93 Difference]: Finished difference Result 1904 states and 2525 transitions. [2024-11-10 19:03:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:55,495 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2024-11-10 19:03:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:55,501 INFO L225 Difference]: With dead ends: 1904 [2024-11-10 19:03:55,501 INFO L226 Difference]: Without dead ends: 1900 [2024-11-10 19:03:55,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:03:55,502 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 293 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:55,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 506 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-10 19:03:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1564. [2024-11-10 19:03:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.2262611275964392) internal successors, (1653), 1367 states have internal predecessors, (1653), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 19:03:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2019 transitions. [2024-11-10 19:03:55,618 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2019 transitions. Word has length 121 [2024-11-10 19:03:55,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:55,618 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2019 transitions. [2024-11-10 19:03:55,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:03:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2019 transitions. [2024-11-10 19:03:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:03:55,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:55,620 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:03:55,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:55,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:55,820 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:55,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:55,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1313429609, now seen corresponding path program 2 times [2024-11-10 19:03:55,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:55,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333495358] [2024-11-10 19:03:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 19:03:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 19:03:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 19:03:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 19:03:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:03:55,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:55,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333495358] [2024-11-10 19:03:55,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333495358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:55,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:55,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:55,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285991834] [2024-11-10 19:03:55,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:55,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:55,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:55,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:55,897 INFO L87 Difference]: Start difference. First operand 1564 states and 2019 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:03:56,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:56,628 INFO L93 Difference]: Finished difference Result 2728 states and 3571 transitions. [2024-11-10 19:03:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:03:56,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 132 [2024-11-10 19:03:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:56,633 INFO L225 Difference]: With dead ends: 2728 [2024-11-10 19:03:56,633 INFO L226 Difference]: Without dead ends: 1604 [2024-11-10 19:03:56,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:56,636 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:56,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 198 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-10 19:03:56,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1529. [2024-11-10 19:03:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1317 states have (on average 1.2369020501138952) internal successors, (1629), 1335 states have internal predecessors, (1629), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-10 19:03:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1991 transitions. [2024-11-10 19:03:56,744 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1991 transitions. Word has length 132 [2024-11-10 19:03:56,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:56,744 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1991 transitions. [2024-11-10 19:03:56,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:03:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1991 transitions. [2024-11-10 19:03:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 19:03:56,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:56,746 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:56,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 19:03:56,746 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:56,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:56,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1052674772, now seen corresponding path program 1 times [2024-11-10 19:03:56,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:56,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294956795] [2024-11-10 19:03:56,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:56,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 19:03:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:03:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:03:56,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294956795] [2024-11-10 19:03:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294956795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445545365] [2024-11-10 19:03:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:56,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:56,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:56,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:03:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:56,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:03:56,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 217 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:03:57,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:03:57,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445545365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:57,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:57,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-10 19:03:57,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313343484] [2024-11-10 19:03:57,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:57,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:57,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:57,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:57,262 INFO L87 Difference]: Start difference. First operand 1529 states and 1991 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 19:03:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:57,490 INFO L93 Difference]: Finished difference Result 1814 states and 2338 transitions. [2024-11-10 19:03:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:03:57,491 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 134 [2024-11-10 19:03:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:57,495 INFO L225 Difference]: With dead ends: 1814 [2024-11-10 19:03:57,495 INFO L226 Difference]: Without dead ends: 1528 [2024-11-10 19:03:57,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 279 SyntacticMatches, 10 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:03:57,497 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 62 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:57,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 554 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-11-10 19:03:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1528. [2024-11-10 19:03:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1315 states have (on average 1.2357414448669202) internal successors, (1625), 1333 states have internal predecessors, (1625), 181 states have call successors, (181), 13 states have call predecessors, (181), 13 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-10 19:03:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1987 transitions. [2024-11-10 19:03:57,620 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1987 transitions. Word has length 134 [2024-11-10 19:03:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:57,621 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 1987 transitions. [2024-11-10 19:03:57,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-10 19:03:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1987 transitions. [2024-11-10 19:03:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 19:03:57,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:57,623 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:57,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:57,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:03:57,824 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:57,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1035189353, now seen corresponding path program 1 times [2024-11-10 19:03:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618518472] [2024-11-10 19:03:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:03:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:03:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:03:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:03:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:03:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:03:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:03:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:03:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:03:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:03:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 19:03:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 19:03:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:03:58,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:58,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618518472] [2024-11-10 19:03:58,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618518472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:58,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261511285] [2024-11-10 19:03:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:58,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:58,006 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:58,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:03:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:58,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:03:58,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 310 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:03:58,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 62 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:03:58,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261511285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:58,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:58,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-10 19:03:58,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105231396] [2024-11-10 19:03:58,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:58,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 19:03:58,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:58,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 19:03:58,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:03:58,517 INFO L87 Difference]: Start difference. First operand 1528 states and 1987 transitions. Second operand has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:03:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:59,301 INFO L93 Difference]: Finished difference Result 2040 states and 2573 transitions. [2024-11-10 19:03:59,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 19:03:59,302 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 152 [2024-11-10 19:03:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:59,306 INFO L225 Difference]: With dead ends: 2040 [2024-11-10 19:03:59,306 INFO L226 Difference]: Without dead ends: 2032 [2024-11-10 19:03:59,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=873, Invalid=2909, Unknown=0, NotChecked=0, Total=3782 [2024-11-10 19:03:59,308 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 620 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:59,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1236 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:59,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2024-11-10 19:03:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1669. [2024-11-10 19:03:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1431 states have (on average 1.2452830188679245) internal successors, (1782), 1455 states have internal predecessors, (1782), 205 states have call successors, (205), 14 states have call predecessors, (205), 14 states have return successors, (205), 199 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-10 19:03:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2192 transitions. [2024-11-10 19:03:59,449 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2192 transitions. Word has length 152 [2024-11-10 19:03:59,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:59,450 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2192 transitions. [2024-11-10 19:03:59,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:03:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2192 transitions. [2024-11-10 19:03:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 19:03:59,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:59,452 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:59,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:59,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-10 19:03:59,653 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:03:59,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:59,653 INFO L85 PathProgramCache]: Analyzing trace with hash 378198815, now seen corresponding path program 2 times [2024-11-10 19:03:59,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:59,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809192195] [2024-11-10 19:03:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:59,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743825288] [2024-11-10 19:03:59,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:59,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:59,674 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:59,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:03:59,748 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:59,749 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:59,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:03:59,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:00,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809192195] [2024-11-10 19:04:00,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743825288] [2024-11-10 19:04:00,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743825288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:00,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:00,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:04:00,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85928980] [2024-11-10 19:04:00,476 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:00,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:04:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:04:00,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:04:00,477 INFO L87 Difference]: Start difference. First operand 1669 states and 2192 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:04:02,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:02,207 INFO L93 Difference]: Finished difference Result 3316 states and 4448 transitions. [2024-11-10 19:04:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:04:02,207 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 162 [2024-11-10 19:04:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:02,213 INFO L225 Difference]: With dead ends: 3316 [2024-11-10 19:04:02,213 INFO L226 Difference]: Without dead ends: 3313 [2024-11-10 19:04:02,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:04:02,214 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 417 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:02,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 809 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:04:02,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2024-11-10 19:04:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 1654. [2024-11-10 19:04:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1416 states have (on average 1.2450564971751412) internal successors, (1763), 1440 states have internal predecessors, (1763), 205 states have call successors, (205), 14 states have call predecessors, (205), 14 states have return successors, (205), 199 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-10 19:04:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2173 transitions. [2024-11-10 19:04:02,386 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2173 transitions. Word has length 162 [2024-11-10 19:04:02,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:02,387 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2173 transitions. [2024-11-10 19:04:02,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:04:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2173 transitions. [2024-11-10 19:04:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 19:04:02,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:02,389 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:02,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:02,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-10 19:04:02,592 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:02,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1160738573, now seen corresponding path program 2 times [2024-11-10 19:04:02,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:02,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457470963] [2024-11-10 19:04:02,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:02,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:02,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966907537] [2024-11-10 19:04:02,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:02,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:02,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:02,611 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:02,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:04:02,683 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:02,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:02,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:04:02,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:03,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457470963] [2024-11-10 19:04:03,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966907537] [2024-11-10 19:04:03,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966907537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:03,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:03,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:04:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905377311] [2024-11-10 19:04:03,784 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:04:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:03,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:04:03,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:04:03,785 INFO L87 Difference]: Start difference. First operand 1654 states and 2173 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:04:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:04,435 INFO L93 Difference]: Finished difference Result 1873 states and 2448 transitions. [2024-11-10 19:04:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:04:04,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 163 [2024-11-10 19:04:04,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:04,438 INFO L225 Difference]: With dead ends: 1873 [2024-11-10 19:04:04,438 INFO L226 Difference]: Without dead ends: 1870 [2024-11-10 19:04:04,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:04:04,439 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 111 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:04,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 433 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2024-11-10 19:04:04,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1801. [2024-11-10 19:04:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1542 states have (on average 1.2444876783398184) internal successors, (1919), 1567 states have internal predecessors, (1919), 226 states have call successors, (226), 14 states have call predecessors, (226), 14 states have return successors, (226), 219 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-10 19:04:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2371 transitions. [2024-11-10 19:04:04,560 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2371 transitions. Word has length 163 [2024-11-10 19:04:04,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:04,560 INFO L471 AbstractCegarLoop]: Abstraction has 1801 states and 2371 transitions. [2024-11-10 19:04:04,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:04:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2371 transitions. [2024-11-10 19:04:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 19:04:04,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:04,562 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:04,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:04:04,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:04,763 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:04,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:04,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1221729841, now seen corresponding path program 2 times [2024-11-10 19:04:04,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:04,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070910376] [2024-11-10 19:04:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:04,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181544961] [2024-11-10 19:04:04,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:04,789 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:04,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:04:04,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:04,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:04,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:04:04,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:05,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:07,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:07,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070910376] [2024-11-10 19:04:07,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:07,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181544961] [2024-11-10 19:04:07,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181544961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:07,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:07,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:04:07,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753040960] [2024-11-10 19:04:07,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:07,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:04:07,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:07,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:04:07,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:04:07,461 INFO L87 Difference]: Start difference. First operand 1801 states and 2371 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-10 19:04:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:08,130 INFO L93 Difference]: Finished difference Result 1847 states and 2408 transitions. [2024-11-10 19:04:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:04:08,134 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 165 [2024-11-10 19:04:08,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:08,148 INFO L225 Difference]: With dead ends: 1847 [2024-11-10 19:04:08,148 INFO L226 Difference]: Without dead ends: 1840 [2024-11-10 19:04:08,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:04:08,150 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 102 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:08,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 637 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:08,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2024-11-10 19:04:08,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1614. [2024-11-10 19:04:08,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1383 states have (on average 1.2436731742588576) internal successors, (1720), 1407 states have internal predecessors, (1720), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-10 19:04:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2116 transitions. [2024-11-10 19:04:08,276 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2116 transitions. Word has length 165 [2024-11-10 19:04:08,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:08,277 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2116 transitions. [2024-11-10 19:04:08,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-10 19:04:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2116 transitions. [2024-11-10 19:04:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 19:04:08,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:08,278 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:08,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:04:08,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:08,479 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:08,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:08,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1009216036, now seen corresponding path program 1 times [2024-11-10 19:04:08,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:08,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811369792] [2024-11-10 19:04:08,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:08,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:04:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 19:04:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 19:04:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:04:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 19:04:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 19:04:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 19:04:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:04:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:04:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:04:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 19:04:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 19:04:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 19:04:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:08,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:08,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811369792] [2024-11-10 19:04:08,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811369792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:08,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454324090] [2024-11-10 19:04:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:08,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:08,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:08,668 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:08,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:04:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:08,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:04:08,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 19:04:08,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:09,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454324090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:09,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:09,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-10 19:04:09,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483671155] [2024-11-10 19:04:09,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:09,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:04:09,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:09,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:04:09,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:04:09,150 INFO L87 Difference]: Start difference. First operand 1614 states and 2116 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-10 19:04:09,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:09,370 INFO L93 Difference]: Finished difference Result 1926 states and 2509 transitions. [2024-11-10 19:04:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:04:09,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 165 [2024-11-10 19:04:09,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:09,375 INFO L225 Difference]: With dead ends: 1926 [2024-11-10 19:04:09,375 INFO L226 Difference]: Without dead ends: 1614 [2024-11-10 19:04:09,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 347 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:04:09,376 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:09,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 597 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:04:09,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-10 19:04:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1614. [2024-11-10 19:04:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1383 states have (on average 1.2429501084598698) internal successors, (1719), 1407 states have internal predecessors, (1719), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-10 19:04:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2115 transitions. [2024-11-10 19:04:09,485 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2115 transitions. Word has length 165 [2024-11-10 19:04:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:09,486 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2115 transitions. [2024-11-10 19:04:09,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-10 19:04:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2115 transitions. [2024-11-10 19:04:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 19:04:09,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:09,487 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:09,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 19:04:09,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:09,688 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:09,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:09,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1009213795, now seen corresponding path program 3 times [2024-11-10 19:04:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:09,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142135602] [2024-11-10 19:04:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176895445] [2024-11-10 19:04:09,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:09,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:09,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:09,717 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:09,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:04:09,765 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:04:09,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:09,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:04:09,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-10 19:04:10,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:10,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:10,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142135602] [2024-11-10 19:04:10,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:10,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176895445] [2024-11-10 19:04:10,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176895445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:10,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:10,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:04:10,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316361123] [2024-11-10 19:04:10,532 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:10,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:04:10,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:10,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:04:10,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:04:10,534 INFO L87 Difference]: Start difference. First operand 1614 states and 2115 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:04:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:11,815 INFO L93 Difference]: Finished difference Result 2048 states and 2687 transitions. [2024-11-10 19:04:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:04:11,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-11-10 19:04:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:11,822 INFO L225 Difference]: With dead ends: 2048 [2024-11-10 19:04:11,823 INFO L226 Difference]: Without dead ends: 2044 [2024-11-10 19:04:11,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:04:11,824 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 338 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:11,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 468 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 783 Invalid, 1 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:04:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2024-11-10 19:04:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1622. [2024-11-10 19:04:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1391 states have (on average 1.2286125089863407) internal successors, (1709), 1415 states have internal predecessors, (1709), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-10 19:04:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2105 transitions. [2024-11-10 19:04:11,984 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2105 transitions. Word has length 165 [2024-11-10 19:04:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:11,984 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2105 transitions. [2024-11-10 19:04:11,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:04:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2105 transitions. [2024-11-10 19:04:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-10 19:04:11,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:11,987 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:04:12,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-10 19:04:12,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:04:12,191 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:12,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2081119872, now seen corresponding path program 1 times [2024-11-10 19:04:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:12,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147364793] [2024-11-10 19:04:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:12,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430068440] [2024-11-10 19:04:12,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:12,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:12,220 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:12,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:04:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:12,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:04:12,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:12,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:13,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:13,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147364793] [2024-11-10 19:04:13,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:13,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430068440] [2024-11-10 19:04:13,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430068440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:13,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:13,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:04:13,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683073396] [2024-11-10 19:04:13,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:13,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:04:13,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:13,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:04:13,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:04:13,227 INFO L87 Difference]: Start difference. First operand 1622 states and 2105 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:04:13,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:13,998 INFO L93 Difference]: Finished difference Result 1889 states and 2437 transitions. [2024-11-10 19:04:13,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:04:13,999 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 169 [2024-11-10 19:04:13,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:14,002 INFO L225 Difference]: With dead ends: 1889 [2024-11-10 19:04:14,002 INFO L226 Difference]: Without dead ends: 1887 [2024-11-10 19:04:14,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:04:14,003 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 170 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:14,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 502 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:04:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2024-11-10 19:04:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1656. [2024-11-10 19:04:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1420 states have (on average 1.226056338028169) internal successors, (1741), 1444 states have internal predecessors, (1741), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 197 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-10 19:04:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2147 transitions. [2024-11-10 19:04:14,172 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2147 transitions. Word has length 169 [2024-11-10 19:04:14,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:14,172 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2147 transitions. [2024-11-10 19:04:14,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:04:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2147 transitions. [2024-11-10 19:04:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-10 19:04:14,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:14,174 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:04:14,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:04:14,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:04:14,374 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-10 19:04:14,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1498562174, now seen corresponding path program 1 times [2024-11-10 19:04:14,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:14,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750200505] [2024-11-10 19:04:14,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:14,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:14,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387732412] [2024-11-10 19:04:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:14,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:14,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:14,395 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:14,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:04:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:04:14,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:04:15,109 INFO L311 TraceCheckSpWp]: Computing backward predicates...