./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --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/loop-invgen/sendmail-close-angle.i -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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:52:35,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:52:35,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:52:35,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:52:35,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:52:35,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:52:35,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:52:35,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:52:35,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:52:35,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:52:35,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:52:35,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:52:35,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:52:35,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:52:35,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:52:35,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:52:35,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:52:35,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:52:35,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:52:35,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:52:35,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:52:35,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:52:35,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:52:35,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:52:35,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:52:35,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:52:35,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:52:35,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:52:35,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:52:35,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:52:35,549 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:52:35,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:52:35,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:52:35,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:52:35,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:35,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:52:35,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:52:35,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:52:35,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:52:35,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:52:35,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:52:35,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:52:35,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:52:35,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:52:35,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2024-11-10 18:52:35,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:52:35,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:52:35,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:52:35,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:52:35,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:52:35,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-10 18:52:37,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:52:37,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:52:37,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-10 18:52:37,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9bb8787/07aa3c9d6d424c5fb8beaff3f224740d/FLAG3d8e4f549 [2024-11-10 18:52:37,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb9bb8787/07aa3c9d6d424c5fb8beaff3f224740d [2024-11-10 18:52:37,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:52:37,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:52:37,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:37,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:52:37,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:52:37,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb0d713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37, skipping insertion in model container [2024-11-10 18:52:37,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:52:37,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:37,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:52:37,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:37,749 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:52:37,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37 WrapperNode [2024-11-10 18:52:37,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:37,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:37,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:52:37,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:52:37,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,782 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-10 18:52:37,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:37,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:52:37,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:52:37,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:52:37,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,811 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 18:52:37,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:52:37,825 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:52:37,825 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:52:37,825 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:52:37,826 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (1/1) ... [2024-11-10 18:52:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:37,864 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 18:52:37,867 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 18:52:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:52:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:52:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:52:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:52:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:52:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:52:37,962 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:52:37,964 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:52:38,130 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-10 18:52:38,131 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:52:38,147 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:52:38,147 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:52:38,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:38 BoogieIcfgContainer [2024-11-10 18:52:38,148 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:52:38,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:52:38,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:52:38,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:52:38,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:52:37" (1/3) ... [2024-11-10 18:52:38,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d37c499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:38, skipping insertion in model container [2024-11-10 18:52:38,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:37" (2/3) ... [2024-11-10 18:52:38,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d37c499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:38, skipping insertion in model container [2024-11-10 18:52:38,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:38" (3/3) ... [2024-11-10 18:52:38,157 INFO L112 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2024-11-10 18:52:38,176 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:52:38,176 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 18:52:38,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:52:38,241 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;@630a36e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:52:38,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 18:52:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.5) internal successors, (54), 47 states have internal predecessors, (54), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:52:38,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:38,258 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:52:38,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:38,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1692642088, now seen corresponding path program 1 times [2024-11-10 18:52:38,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:38,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672741021] [2024-11-10 18:52:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,487 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 18:52:38,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:38,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672741021] [2024-11-10 18:52:38,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672741021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:38,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:38,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:38,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634995762] [2024-11-10 18:52:38,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:38,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:38,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:38,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:38,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:38,523 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.5) internal successors, (54), 47 states have internal predecessors, (54), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.0) 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 18:52:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:38,588 INFO L93 Difference]: Finished difference Result 103 states and 136 transitions. [2024-11-10 18:52:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 18:52:38,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:38,598 INFO L225 Difference]: With dead ends: 103 [2024-11-10 18:52:38,598 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 18:52:38,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:38,606 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:38,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 77 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 18:52:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-10 18:52:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 38 states have internal predecessors, (39), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-11-10 18:52:38,654 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 6 [2024-11-10 18:52:38,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:38,654 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-10 18:52:38,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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 18:52:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-11-10 18:52:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:52:38,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:38,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:38,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:52:38,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:38,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:38,657 INFO L85 PathProgramCache]: Analyzing trace with hash -932297164, now seen corresponding path program 1 times [2024-11-10 18:52:38,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:38,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38568214] [2024-11-10 18:52:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:38,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38568214] [2024-11-10 18:52:38,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38568214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:38,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:38,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:52:38,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069714957] [2024-11-10 18:52:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:38,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:52:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:52:38,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:38,703 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 3.5) 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 18:52:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:38,719 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2024-11-10 18:52:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:52:38,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) 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 18:52:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:38,720 INFO L225 Difference]: With dead ends: 47 [2024-11-10 18:52:38,720 INFO L226 Difference]: Without dead ends: 46 [2024-11-10 18:52:38,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:52:38,722 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 29 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:38,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 61 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:38,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-10 18:52:38,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-10 18:52:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 37 states have internal predecessors, (38), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-11-10 18:52:38,735 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 7 [2024-11-10 18:52:38,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:38,735 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-11-10 18:52:38,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) 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 18:52:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-11-10 18:52:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:52:38,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:38,737 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:38,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:52:38,737 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:38,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:38,738 INFO L85 PathProgramCache]: Analyzing trace with hash -615207857, now seen corresponding path program 1 times [2024-11-10 18:52:38,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:38,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797441633] [2024-11-10 18:52:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:38,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 18:52:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 18:52:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:38,919 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 18:52:38,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:38,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797441633] [2024-11-10 18:52:38,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797441633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:38,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:38,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:38,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448007532] [2024-11-10 18:52:38,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:38,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:38,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:38,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:38,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:38,925 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 18:52:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:38,981 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2024-11-10 18:52:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22 [2024-11-10 18:52:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:38,983 INFO L225 Difference]: With dead ends: 60 [2024-11-10 18:52:38,997 INFO L226 Difference]: Without dead ends: 58 [2024-11-10 18:52:38,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:39,000 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 5 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 131 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:39,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-10 18:52:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2024-11-10 18:52:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 42 states have internal predecessors, (46), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:52:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2024-11-10 18:52:39,021 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 22 [2024-11-10 18:52:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,022 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2024-11-10 18:52:39,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 18:52:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2024-11-10 18:52:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:52:39,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,025 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] [2024-11-10 18:52:39,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:52:39,026 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:39,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,042 INFO L85 PathProgramCache]: Analyzing trace with hash -338727126, now seen corresponding path program 1 times [2024-11-10 18:52:39,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507249321] [2024-11-10 18:52:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,157 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 18:52:39,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507249321] [2024-11-10 18:52:39,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507249321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:39,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:39,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:39,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115737766] [2024-11-10 18:52:39,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:39,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:39,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:39,161 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18:52:39,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,209 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions. [2024-11-10 18:52:39,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:39,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2024-11-10 18:52:39,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,211 INFO L225 Difference]: With dead ends: 62 [2024-11-10 18:52:39,211 INFO L226 Difference]: Without dead ends: 60 [2024-11-10 18:52:39,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:39,212 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 131 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-10 18:52:39,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2024-11-10 18:52:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 18:52:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-10 18:52:39,225 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 23 [2024-11-10 18:52:39,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,226 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-10 18:52:39,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18:52:39,226 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-10 18:52:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:52:39,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,228 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] [2024-11-10 18:52:39,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:52:39,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:39,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1966156377, now seen corresponding path program 1 times [2024-11-10 18:52:39,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204199053] [2024-11-10 18:52:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,341 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 18:52:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204199053] [2024-11-10 18:52:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204199053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:39,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:39,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:39,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413492600] [2024-11-10 18:52:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:39,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:39,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:39,347 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 18:52:39,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,386 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2024-11-10 18:52:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:39,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 27 [2024-11-10 18:52:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,389 INFO L225 Difference]: With dead ends: 74 [2024-11-10 18:52:39,389 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 18:52:39,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:39,390 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 142 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:39,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 18:52:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2024-11-10 18:52:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 18:52:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2024-11-10 18:52:39,413 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 27 [2024-11-10 18:52:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,414 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2024-11-10 18:52:39,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 18:52:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2024-11-10 18:52:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:52:39,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,419 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 18:52:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:52:39,419 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1113631896, now seen corresponding path program 1 times [2024-11-10 18:52:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814880565] [2024-11-10 18:52:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 18:52:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 18:52:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:52:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:52:39,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814880565] [2024-11-10 18:52:39,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814880565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:39,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:39,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:52:39,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480788715] [2024-11-10 18:52:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:39,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:52:39,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:52:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:52:39,572 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:52:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,657 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2024-11-10 18:52:39,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:39,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-10 18:52:39,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,659 INFO L225 Difference]: With dead ends: 70 [2024-11-10 18:52:39,659 INFO L226 Difference]: Without dead ends: 69 [2024-11-10 18:52:39,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:52:39,664 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 4 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 200 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:39,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-10 18:52:39,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-10 18:52:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 52 states have internal predecessors, (56), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 18:52:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 84 transitions. [2024-11-10 18:52:39,680 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 84 transitions. Word has length 36 [2024-11-10 18:52:39,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,680 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 84 transitions. [2024-11-10 18:52:39,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:52:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2024-11-10 18:52:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:52:39,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,686 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 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 18:52:39,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:52:39,687 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:39,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,688 INFO L85 PathProgramCache]: Analyzing trace with hash -162850434, now seen corresponding path program 1 times [2024-11-10 18:52:39,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960269749] [2024-11-10 18:52:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 18:52:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 18:52:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:52:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:52:39,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:39,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960269749] [2024-11-10 18:52:39,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960269749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:39,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:39,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:52:39,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856908905] [2024-11-10 18:52:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:39,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:52:39,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:39,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:52:39,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:52:39,815 INFO L87 Difference]: Start difference. First operand 68 states and 84 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:52:39,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:39,875 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2024-11-10 18:52:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:39,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-10 18:52:39,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:39,877 INFO L225 Difference]: With dead ends: 70 [2024-11-10 18:52:39,878 INFO L226 Difference]: Without dead ends: 58 [2024-11-10 18:52:39,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:52:39,879 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:39,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 168 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-10 18:52:39,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-10 18:52:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 46 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:52:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2024-11-10 18:52:39,887 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 37 [2024-11-10 18:52:39,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:39,887 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2024-11-10 18:52:39,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:52:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2024-11-10 18:52:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 18:52:39,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:39,889 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:39,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:52:39,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:39,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:39,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1506209274, now seen corresponding path program 1 times [2024-11-10 18:52:39,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:39,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047882694] [2024-11-10 18:52:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:39,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 18:52:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:52:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:40,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:40,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047882694] [2024-11-10 18:52:40,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047882694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:40,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382637020] [2024-11-10 18:52:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:40,017 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 18:52:40,018 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 18:52:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:40,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:40,202 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:40,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382637020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:40,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:40,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:52:40,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696626023] [2024-11-10 18:52:40,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:40,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:52:40,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:40,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:52:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:40,207 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:52:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:40,269 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-10 18:52:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:40,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-10 18:52:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:40,271 INFO L225 Difference]: With dead ends: 58 [2024-11-10 18:52:40,273 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 18:52:40,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:40,274 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:40,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 157 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 18:52:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-10 18:52:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 44 states have internal predecessors, (46), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:52:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2024-11-10 18:52:40,293 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 53 [2024-11-10 18:52:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:40,293 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2024-11-10 18:52:40,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:52:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2024-11-10 18:52:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 18:52:40,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:40,297 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:40,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:40,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:40,498 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:40,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash -552152780, now seen corresponding path program 1 times [2024-11-10 18:52:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:40,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106500255] [2024-11-10 18:52:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 18:52:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:52:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:40,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:40,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106500255] [2024-11-10 18:52:40,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106500255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550316943] [2024-11-10 18:52:40,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:40,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:40,617 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 18:52:40,618 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 18:52:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:40,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:40,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:40,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:40,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550316943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:40,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:40,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:52:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621333443] [2024-11-10 18:52:40,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:40,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:52:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:40,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:52:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:52:40,859 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 18:52:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:40,962 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2024-11-10 18:52:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:52:40,962 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 54 [2024-11-10 18:52:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:40,963 INFO L225 Difference]: With dead ends: 98 [2024-11-10 18:52:40,963 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 18:52:40,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:52:40,964 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 12 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:40,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 192 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 18:52:40,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 82. [2024-11-10 18:52:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 62 states have internal predecessors, (70), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 18:52:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-10 18:52:40,975 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 54 [2024-11-10 18:52:40,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:40,975 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-10 18:52:40,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 18:52:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-10 18:52:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 18:52:40,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:40,977 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] [2024-11-10 18:52:40,991 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 18:52:41,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-10 18:52:41,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:41,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:41,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1382672092, now seen corresponding path program 1 times [2024-11-10 18:52:41,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:41,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532232526] [2024-11-10 18:52:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:52:41,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532232526] [2024-11-10 18:52:41,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532232526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:41,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301553567] [2024-11-10 18:52:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:41,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:41,316 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 18:52:41,320 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 18:52:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:41,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:41,433 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 18:52:41,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:41,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301553567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:41,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:41,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:52:41,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399177972] [2024-11-10 18:52:41,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:41,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:52:41,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:41,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:52:41,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:41,439 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:52:41,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:41,476 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions. [2024-11-10 18:52:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:52:41,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-11-10 18:52:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:41,478 INFO L225 Difference]: With dead ends: 82 [2024-11-10 18:52:41,478 INFO L226 Difference]: Without dead ends: 81 [2024-11-10 18:52:41,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:52:41,479 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 26 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:41,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 139 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:52:41,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-10 18:52:41,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-10 18:52:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 61 states have internal predecessors, (68), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 18:52:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2024-11-10 18:52:41,497 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 58 [2024-11-10 18:52:41,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:41,497 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2024-11-10 18:52:41,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 18:52:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-11-10 18:52:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 18:52:41,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:41,499 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-10 18:52:41,514 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 18:52:41,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:41,699 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:41,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:41,700 INFO L85 PathProgramCache]: Analyzing trace with hash -86838116, now seen corresponding path program 1 times [2024-11-10 18:52:41,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:41,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217417333] [2024-11-10 18:52:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,793 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 18:52:41,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:41,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217417333] [2024-11-10 18:52:41,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217417333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:41,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273211723] [2024-11-10 18:52:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:41,795 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 18:52:41,797 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 18:52:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:41,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:52:41,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:41,908 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 18:52:41,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:42,001 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 18:52:42,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273211723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:42,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:42,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:52:42,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803460841] [2024-11-10 18:52:42,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:42,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:52:42,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:52:42,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:52:42,006 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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 18:52:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:42,102 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2024-11-10 18:52:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:52:42,103 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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 59 [2024-11-10 18:52:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:42,104 INFO L225 Difference]: With dead ends: 143 [2024-11-10 18:52:42,104 INFO L226 Difference]: Without dead ends: 142 [2024-11-10 18:52:42,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:52:42,105 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 66 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:42,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 234 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-10 18:52:42,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 105. [2024-11-10 18:52:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 79 states have internal predecessors, (89), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 18:52:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2024-11-10 18:52:42,125 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 59 [2024-11-10 18:52:42,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:42,125 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2024-11-10 18:52:42,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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 18:52:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2024-11-10 18:52:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:52:42,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:42,131 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:42,147 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 18:52:42,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:42,331 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:42,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:42,332 INFO L85 PathProgramCache]: Analyzing trace with hash -937701933, now seen corresponding path program 1 times [2024-11-10 18:52:42,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:42,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283892321] [2024-11-10 18:52:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 18:52:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:52:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 18:52:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:52:42,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:42,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283892321] [2024-11-10 18:52:42,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283892321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:42,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963041722] [2024-11-10 18:52:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:42,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:42,440 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 18:52:42,442 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 18:52:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:52:42,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:52:42,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:42,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963041722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:42,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:42,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-10 18:52:42,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684395875] [2024-11-10 18:52:42,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:42,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:52:42,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:42,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:52:42,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:52:42,561 INFO L87 Difference]: Start difference. First operand 105 states and 137 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 18:52:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:42,642 INFO L93 Difference]: Finished difference Result 105 states and 137 transitions. [2024-11-10 18:52:42,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:52:42,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 67 [2024-11-10 18:52:42,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:42,645 INFO L225 Difference]: With dead ends: 105 [2024-11-10 18:52:42,645 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 18:52:42,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:52:42,646 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 5 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:42,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 206 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 18:52:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-10 18:52:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 78 states have internal predecessors, (88), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 18:52:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2024-11-10 18:52:42,659 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 67 [2024-11-10 18:52:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:42,660 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2024-11-10 18:52:42,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 18:52:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2024-11-10 18:52:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 18:52:42,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:42,661 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 18:52:42,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:52:42,862 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,SelfDestructingSolverStorable11 [2024-11-10 18:52:42,862 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:42,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash 996011123, now seen corresponding path program 1 times [2024-11-10 18:52:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:42,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693323037] [2024-11-10 18:52:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 18:52:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:52:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 18:52:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:52:42,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693323037] [2024-11-10 18:52:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693323037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228424676] [2024-11-10 18:52:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:42,977 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 18:52:42,978 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 18:52:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:52:43,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:52:43,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 18:52:43,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228424676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:43,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:43,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-10 18:52:43,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270675890] [2024-11-10 18:52:43,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:43,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:52:43,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:52:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:52:43,210 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 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 18:52:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:43,329 INFO L93 Difference]: Finished difference Result 122 states and 159 transitions. [2024-11-10 18:52:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:52:43,329 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 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 68 [2024-11-10 18:52:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:43,331 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:52:43,331 INFO L226 Difference]: Without dead ends: 99 [2024-11-10 18:52:43,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:52:43,333 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 11 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:43,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 261 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:43,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-10 18:52:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-10 18:52:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.125) internal successors, (81), 75 states have internal predecessors, (81), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 18:52:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2024-11-10 18:52:43,345 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 68 [2024-11-10 18:52:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:43,345 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2024-11-10 18:52:43,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.4) internal successors, (66), 16 states have internal predecessors, (66), 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 18:52:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2024-11-10 18:52:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 18:52:43,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:43,350 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:43,367 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 18:52:43,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:43,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:43,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:43,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1244079948, now seen corresponding path program 1 times [2024-11-10 18:52:43,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:43,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957427089] [2024-11-10 18:52:43,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,698 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 18:52:43,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:43,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957427089] [2024-11-10 18:52:43,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957427089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:43,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445678458] [2024-11-10 18:52:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:43,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:43,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:43,701 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 18:52:43,702 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 18:52:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:43,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:52:43,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:43,817 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 18:52:43,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:43,951 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 18:52:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445678458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:43,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-10 18:52:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85552786] [2024-11-10 18:52:43,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:43,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:52:43,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:52:43,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:52:43,954 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 18:52:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:44,080 INFO L93 Difference]: Finished difference Result 136 states and 181 transitions. [2024-11-10 18:52:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:52:44,080 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 86 [2024-11-10 18:52:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:44,082 INFO L225 Difference]: With dead ends: 136 [2024-11-10 18:52:44,082 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 18:52:44,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:52:44,083 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 15 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:44,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 329 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:44,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 18:52:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2024-11-10 18:52:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 93 states have internal predecessors, (102), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 18:52:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 162 transitions. [2024-11-10 18:52:44,096 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 162 transitions. Word has length 86 [2024-11-10 18:52:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:44,097 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 162 transitions. [2024-11-10 18:52:44,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 18:52:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2024-11-10 18:52:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 18:52:44,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:44,099 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 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] [2024-11-10 18:52:44,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:52:44,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:44,302 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:44,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:44,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1937169364, now seen corresponding path program 2 times [2024-11-10 18:52:44,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:44,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920387769] [2024-11-10 18:52:44,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:44,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 18:52:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 18:52:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:52:44,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:44,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920387769] [2024-11-10 18:52:44,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920387769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:44,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600111381] [2024-11-10 18:52:44,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:44,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:44,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:44,487 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 18:52:44,488 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 18:52:44,544 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:52:44,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:44,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:52:44,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:52:44,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 18:52:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600111381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:44,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:44,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-10 18:52:44,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627442791] [2024-11-10 18:52:44,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:44,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 18:52:44,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:44,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 18:52:44,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:52:44,854 INFO L87 Difference]: Start difference. First operand 125 states and 162 transitions. Second operand has 20 states, 19 states have (on average 5.368421052631579) internal successors, (102), 20 states have internal predecessors, (102), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-10 18:52:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:45,030 INFO L93 Difference]: Finished difference Result 161 states and 214 transitions. [2024-11-10 18:52:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 18:52:45,031 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.368421052631579) internal successors, (102), 20 states have internal predecessors, (102), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 116 [2024-11-10 18:52:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:45,033 INFO L225 Difference]: With dead ends: 161 [2024-11-10 18:52:45,033 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 18:52:45,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:52:45,034 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 17 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:45,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 334 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 18:52:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 140. [2024-11-10 18:52:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 104 states have internal predecessors, (116), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 18:52:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2024-11-10 18:52:45,051 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 116 [2024-11-10 18:52:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:45,052 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2024-11-10 18:52:45,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.368421052631579) internal successors, (102), 20 states have internal predecessors, (102), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-10 18:52:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2024-11-10 18:52:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 18:52:45,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:45,054 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 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, 1] [2024-11-10 18:52:45,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:45,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:52:45,255 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:45,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1661394707, now seen corresponding path program 2 times [2024-11-10 18:52:45,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:45,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390039515] [2024-11-10 18:52:45,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:45,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 18:52:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 18:52:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 18:52:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:52:45,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390039515] [2024-11-10 18:52:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390039515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:45,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416398449] [2024-11-10 18:52:45,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:45,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:45,444 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 18:52:45,445 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 18:52:45,509 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:52:45,509 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:45,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:52:45,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:52:45,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:52:45,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416398449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:45,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:45,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 18:52:45,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399985665] [2024-11-10 18:52:45,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:45,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:52:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:45,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:52:45,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:52:45,881 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-10 18:52:46,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:46,079 INFO L93 Difference]: Finished difference Result 169 states and 222 transitions. [2024-11-10 18:52:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 18:52:46,080 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 130 [2024-11-10 18:52:46,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:46,081 INFO L225 Difference]: With dead ends: 169 [2024-11-10 18:52:46,081 INFO L226 Difference]: Without dead ends: 140 [2024-11-10 18:52:46,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:52:46,082 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 18 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:46,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 447 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:46,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-10 18:52:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 135. [2024-11-10 18:52:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 98 states have (on average 1.0714285714285714) internal successors, (105), 101 states have internal predecessors, (105), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:52:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2024-11-10 18:52:46,091 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 169 transitions. Word has length 130 [2024-11-10 18:52:46,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:46,092 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-11-10 18:52:46,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.782608695652174) internal successors, (110), 24 states have internal predecessors, (110), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-10 18:52:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2024-11-10 18:52:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 18:52:46,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:46,093 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:46,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:52:46,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:52:46,294 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:46,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:46,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1290064783, now seen corresponding path program 2 times [2024-11-10 18:52:46,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:46,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649344222] [2024-11-10 18:52:46,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:52:46,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:46,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649344222] [2024-11-10 18:52:46,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649344222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:46,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682043719] [2024-11-10 18:52:46,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:46,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:46,516 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 18:52:46,517 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 18:52:46,583 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:52:46,583 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:46,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:52:46,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:52:46,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 18:52:46,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682043719] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:46,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:46,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 18:52:46,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816029446] [2024-11-10 18:52:46,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:46,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:52:46,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:52:46,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:52:46,965 INFO L87 Difference]: Start difference. First operand 135 states and 169 transitions. Second operand has 24 states, 23 states have (on average 6.0) internal successors, (138), 24 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-10 18:52:47,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:47,137 INFO L93 Difference]: Finished difference Result 233 states and 299 transitions. [2024-11-10 18:52:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:52:47,138 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.0) internal successors, (138), 24 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 152 [2024-11-10 18:52:47,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:47,140 INFO L225 Difference]: With dead ends: 233 [2024-11-10 18:52:47,140 INFO L226 Difference]: Without dead ends: 232 [2024-11-10 18:52:47,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:52:47,141 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 71 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:47,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 418 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-10 18:52:47,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 189. [2024-11-10 18:52:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 138 states have (on average 1.108695652173913) internal successors, (153), 141 states have internal predecessors, (153), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-10 18:52:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 245 transitions. [2024-11-10 18:52:47,154 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 245 transitions. Word has length 152 [2024-11-10 18:52:47,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:47,155 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 245 transitions. [2024-11-10 18:52:47,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.0) internal successors, (138), 24 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-10 18:52:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 245 transitions. [2024-11-10 18:52:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-10 18:52:47,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:47,157 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:47,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:52:47,358 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,SelfDestructingSolverStorable16 [2024-11-10 18:52:47,358 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:47,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:47,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1966151156, now seen corresponding path program 2 times [2024-11-10 18:52:47,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:47,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286753944] [2024-11-10 18:52:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 18:52:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 18:52:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:52:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:52:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 18:52:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 18:52:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 18:52:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 18:52:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 18:52:47,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286753944] [2024-11-10 18:52:47,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286753944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512875956] [2024-11-10 18:52:47,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:52:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:47,713 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 18:52:47,714 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 18:52:47,797 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:52:47,797 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:47,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 18:52:47,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 18:52:47,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 18:52:48,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512875956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:48,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:48,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-11-10 18:52:48,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214905450] [2024-11-10 18:52:48,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:48,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 18:52:48,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:48,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 18:52:48,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:52:48,358 INFO L87 Difference]: Start difference. First operand 189 states and 245 transitions. Second operand has 32 states, 31 states have (on average 5.483870967741935) internal successors, (170), 32 states have internal predecessors, (170), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-11-10 18:52:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:48,625 INFO L93 Difference]: Finished difference Result 270 states and 367 transitions. [2024-11-10 18:52:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 18:52:48,626 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.483870967741935) internal successors, (170), 32 states have internal predecessors, (170), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) Word has length 210 [2024-11-10 18:52:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:48,628 INFO L225 Difference]: With dead ends: 270 [2024-11-10 18:52:48,628 INFO L226 Difference]: Without dead ends: 269 [2024-11-10 18:52:48,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-10 18:52:48,630 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 34 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:48,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 389 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:48,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-10 18:52:48,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 245. [2024-11-10 18:52:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 178 states have (on average 1.1235955056179776) internal successors, (200), 181 states have internal predecessors, (200), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 18:52:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 324 transitions. [2024-11-10 18:52:48,656 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 324 transitions. Word has length 210 [2024-11-10 18:52:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:48,657 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 324 transitions. [2024-11-10 18:52:48,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.483870967741935) internal successors, (170), 32 states have internal predecessors, (170), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-11-10 18:52:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2024-11-10 18:52:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-10 18:52:48,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:48,661 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:48,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:52:48,861 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,SelfDestructingSolverStorable17 [2024-11-10 18:52:48,862 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:48,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2058905876, now seen corresponding path program 3 times [2024-11-10 18:52:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108370841] [2024-11-10 18:52:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:48,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 18:52:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 18:52:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:52:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:52:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 18:52:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 18:52:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 18:52:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 18:52:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:52:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 18:52:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 18:52:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 18:52:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2069 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-10 18:52:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108370841] [2024-11-10 18:52:49,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108370841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145919405] [2024-11-10 18:52:49,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:52:49,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:49,266 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 18:52:49,268 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 18:52:49,319 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:52:49,319 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:49,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:52:49,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2069 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1982 trivial. 0 not checked. [2024-11-10 18:52:49,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:49,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145919405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:49,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:49,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-11-10 18:52:49,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126006499] [2024-11-10 18:52:49,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:49,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:52:49,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:49,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:52:49,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:52:49,570 INFO L87 Difference]: Start difference. First operand 245 states and 324 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 18:52:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:49,692 INFO L93 Difference]: Finished difference Result 245 states and 324 transitions. [2024-11-10 18:52:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:52:49,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 240 [2024-11-10 18:52:49,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:49,695 INFO L225 Difference]: With dead ends: 245 [2024-11-10 18:52:49,695 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 18:52:49,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:52:49,696 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:49,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 128 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 18:52:49,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-10 18:52:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 178 states have (on average 1.1179775280898876) internal successors, (199), 180 states have internal predecessors, (199), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 18:52:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 323 transitions. [2024-11-10 18:52:49,719 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 323 transitions. Word has length 240 [2024-11-10 18:52:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:49,721 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 323 transitions. [2024-11-10 18:52:49,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 18:52:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2024-11-10 18:52:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-10 18:52:49,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:49,725 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:49,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:52:49,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:49,925 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:49,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:49,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1961376851, now seen corresponding path program 3 times [2024-11-10 18:52:49,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:49,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448435428] [2024-11-10 18:52:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 18:52:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 18:52:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:52:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:52:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 18:52:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 18:52:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 18:52:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 18:52:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:52:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 18:52:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 18:52:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 18:52:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 18:52:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 18:52:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 18:52:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448435428] [2024-11-10 18:52:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448435428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863040952] [2024-11-10 18:52:50,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:52:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:50,399 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 18:52:50,400 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 18:52:50,452 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:52:50,453 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:50,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:52:50,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2220 trivial. 0 not checked. [2024-11-10 18:52:50,670 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:52:50,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863040952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:50,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:52:50,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24 [2024-11-10 18:52:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115316613] [2024-11-10 18:52:50,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:50,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:52:50,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:50,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:52:50,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:52:50,672 INFO L87 Difference]: Start difference. First operand 244 states and 323 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-10 18:52:50,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:50,784 INFO L93 Difference]: Finished difference Result 244 states and 323 transitions. [2024-11-10 18:52:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:52:50,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 254 [2024-11-10 18:52:50,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:50,787 INFO L225 Difference]: With dead ends: 244 [2024-11-10 18:52:50,787 INFO L226 Difference]: Without dead ends: 232 [2024-11-10 18:52:50,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-10 18:52:50,788 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:50,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 132 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-10 18:52:50,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-10 18:52:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 171 states have (on average 1.0292397660818713) internal successors, (176), 172 states have internal predecessors, (176), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 18:52:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 292 transitions. [2024-11-10 18:52:50,807 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 292 transitions. Word has length 254 [2024-11-10 18:52:50,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:50,808 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 292 transitions. [2024-11-10 18:52:50,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-10 18:52:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 292 transitions. [2024-11-10 18:52:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-10 18:52:50,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:50,812 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:50,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:52:51,012 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,SelfDestructingSolverStorable19 [2024-11-10 18:52:51,013 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:51,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1481624657, now seen corresponding path program 3 times [2024-11-10 18:52:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:51,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911680206] [2024-11-10 18:52:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:51,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 18:52:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 18:52:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:52:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:52:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 18:52:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 18:52:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 18:52:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 18:52:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:52:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 18:52:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 18:52:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 18:52:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 18:52:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 18:52:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-10 18:52:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-10 18:52:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-10 18:52:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 18:52:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 18:52:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 18:52:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-10 18:52:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 18:52:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-11-10 18:52:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-10 18:52:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 18:52:51,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911680206] [2024-11-10 18:52:51,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911680206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:51,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135830952] [2024-11-10 18:52:51,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:52:51,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:51,749 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 18:52:51,750 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 18:52:51,815 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 18:52:51,816 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:51,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:52:51,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 117 proven. 126 refuted. 0 times theorem prover too weak. 3996 trivial. 0 not checked. [2024-11-10 18:52:52,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 117 proven. 126 refuted. 0 times theorem prover too weak. 3996 trivial. 0 not checked. [2024-11-10 18:52:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135830952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:52,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29 [2024-11-10 18:52:52,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806285138] [2024-11-10 18:52:52,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:52,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 18:52:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:52,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 18:52:52,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:52:52,592 INFO L87 Difference]: Start difference. First operand 232 states and 292 transitions. Second operand has 30 states, 29 states have (on average 5.655172413793103) internal successors, (164), 30 states have internal predecessors, (164), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-11-10 18:52:53,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:53,187 INFO L93 Difference]: Finished difference Result 232 states and 292 transitions. [2024-11-10 18:52:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-10 18:52:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 5.655172413793103) internal successors, (164), 30 states have internal predecessors, (164), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) Word has length 338 [2024-11-10 18:52:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:53,189 INFO L225 Difference]: With dead ends: 232 [2024-11-10 18:52:53,190 INFO L226 Difference]: Without dead ends: 231 [2024-11-10 18:52:53,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 751 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=551, Invalid=2311, Unknown=0, NotChecked=0, Total=2862 [2024-11-10 18:52:53,191 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:53,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 193 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:53,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-10 18:52:53,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-10 18:52:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 171 states have (on average 1.0058479532163742) internal successors, (172), 171 states have internal predecessors, (172), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 18:52:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 288 transitions. [2024-11-10 18:52:53,206 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 288 transitions. Word has length 338 [2024-11-10 18:52:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:53,206 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 288 transitions. [2024-11-10 18:52:53,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.655172413793103) internal successors, (164), 30 states have internal predecessors, (164), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-11-10 18:52:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2024-11-10 18:52:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-11-10 18:52:53,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:53,213 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:53,230 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 18:52:53,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:53,414 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:53,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:53,414 INFO L85 PathProgramCache]: Analyzing trace with hash 579301492, now seen corresponding path program 3 times [2024-11-10 18:52:53,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:53,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506996619] [2024-11-10 18:52:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 18:52:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 18:52:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:52:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 18:52:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:52:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:52:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 18:52:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 18:52:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 18:52:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 18:52:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 18:52:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:52:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 18:52:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 18:52:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 18:52:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 18:52:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 18:52:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 18:52:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 18:52:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 18:52:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 18:52:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 18:52:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 18:52:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 18:52:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 18:52:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 18:52:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 18:52:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 18:52:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 18:52:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 18:52:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 18:52:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-10 18:52:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-10 18:52:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-10 18:52:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-10 18:52:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 18:52:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-10 18:52:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 18:52:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-10 18:52:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 18:52:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-11-10 18:52:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-10 18:52:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 18:52:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-10 18:52:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-10 18:52:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-10 18:52:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-10 18:52:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-10 18:52:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-10 18:52:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-10 18:52:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-10 18:52:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-10 18:52:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2024-11-10 18:52:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2024-11-10 18:52:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-11-10 18:52:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-11-10 18:52:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-11-10 18:52:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2024-11-10 18:52:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8089 backedges. 0 proven. 1477 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-10 18:52:54,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:54,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506996619] [2024-11-10 18:52:54,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506996619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:52:54,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727330749] [2024-11-10 18:52:54,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:52:54,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:54,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:54,486 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 18:52:54,487 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 18:52:54,546 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:52:54,546 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:52:54,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:52:54,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8089 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7876 trivial. 0 not checked. [2024-11-10 18:52:54,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8089 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7876 trivial. 0 not checked. [2024-11-10 18:52:55,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727330749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:55,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:55,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 6, 6] total 37 [2024-11-10 18:52:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780200513] [2024-11-10 18:52:55,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:55,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-10 18:52:55,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-10 18:52:55,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1091, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 18:52:55,455 INFO L87 Difference]: Start difference. First operand 231 states and 288 transitions. Second operand has 38 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 16 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (63), 17 states have call predecessors, (63), 16 states have call successors, (63) [2024-11-10 18:52:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:56,167 INFO L93 Difference]: Finished difference Result 260 states and 326 transitions. [2024-11-10 18:52:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-10 18:52:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 16 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (63), 17 states have call predecessors, (63), 16 states have call successors, (63) Word has length 458 [2024-11-10 18:52:56,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:56,169 INFO L225 Difference]: With dead ends: 260 [2024-11-10 18:52:56,169 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:52:56,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1023 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=928, Invalid=4042, Unknown=0, NotChecked=0, Total=4970 [2024-11-10 18:52:56,173 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:56,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 200 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:52:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:52:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:52:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 18:52:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:52:56,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 458 [2024-11-10 18:52:56,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:56,174 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:52:56,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 16 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (63), 17 states have call predecessors, (63), 16 states have call successors, (63) [2024-11-10 18:52:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:52:56,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:52:56,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-10 18:52:56,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-10 18:52:56,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-10 18:52:56,194 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 18:52:56,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:52:56,385 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:56,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:52:58,067 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:52:58,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:52:58 BoogieIcfgContainer [2024-11-10 18:52:58,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:52:58,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:52:58,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:52:58,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:52:58,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:38" (3/4) ... [2024-11-10 18:52:58,087 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:52:58,091 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 18:52:58,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-10 18:52:58,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:52:58,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:52:58,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:52:58,178 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:52:58,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:52:58,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:52:58,179 INFO L158 Benchmark]: Toolchain (without parser) took 20704.55ms. Allocated memory was 163.6MB in the beginning and 325.1MB in the end (delta: 161.5MB). Free memory was 114.1MB in the beginning and 293.0MB in the end (delta: -178.9MB). Peak memory consumption was 180.3MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,179 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 163.6MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:52:58,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.18ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 101.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.07ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 100.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,180 INFO L158 Benchmark]: Boogie Preprocessor took 38.78ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,180 INFO L158 Benchmark]: IcfgBuilder took 323.04ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 85.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,180 INFO L158 Benchmark]: TraceAbstraction took 19933.99ms. Allocated memory was 163.6MB in the beginning and 325.1MB in the end (delta: 161.5MB). Free memory was 84.4MB in the beginning and 105.8MB in the end (delta: -21.4MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,181 INFO L158 Benchmark]: Witness Printer took 94.12ms. Allocated memory is still 325.1MB. Free memory was 105.8MB in the beginning and 293.0MB in the end (delta: -187.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 18:52:58,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 163.6MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.18ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 101.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.07ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 100.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.78ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 323.04ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 85.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19933.99ms. Allocated memory was 163.6MB in the beginning and 325.1MB in the end (delta: 161.5MB). Free memory was 84.4MB in the beginning and 105.8MB in the end (delta: -21.4MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * Witness Printer took 94.12ms. Allocated memory is still 325.1MB. Free memory was 105.8MB in the beginning and 293.0MB in the end (delta: -187.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 18.2s, OverallIterations: 22, TraceHistogramMax: 58, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 543 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 421 mSDsluCounter, 4669 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3757 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2213 IncrementalHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 912 mSDtfsCounter, 2213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4850 GetRequests, 4501 SyntacticMatches, 4 SemanticMatches, 345 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2553 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=18, InterpolantAutomatonStates: 269, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 168 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 4844 NumberOfCodeBlocks, 3697 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 6468 ConstructedInterpolants, 0 QuantifiedInterpolants, 12812 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 52525/57486 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-10 18:52:58,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE