./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:30:00,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:30:00,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:30:00,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:30:00,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:30:00,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:30:00,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:30:00,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:30:00,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:30:00,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:30:00,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:30:00,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:30:00,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:30:00,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:30:00,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:30:00,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:30:00,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:30:00,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:30:00,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:30:00,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:30:00,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:30:00,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:30:00,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:30:00,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:30:00,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:30:00,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:30:00,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:30:00,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:30:00,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:30:00,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:30:00,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:30:00,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:30:00,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:30:00,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:30:00,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:30:00,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:30:00,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:30:00,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:30:00,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:30:00,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:30:00,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:30:00,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:30:00,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:30:00,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:30:00,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 [2024-11-12 17:30:01,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:30:01,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:30:01,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:30:01,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:30:01,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:30:01,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2024-11-12 17:30:02,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:30:02,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:30:02,544 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2024-11-12 17:30:02,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6681635e/d5553259e095409c863b571c778604a4/FLAG048271120 [2024-11-12 17:30:02,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6681635e/d5553259e095409c863b571c778604a4 [2024-11-12 17:30:02,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:30:02,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:30:02,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:30:02,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:30:02,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:30:02,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b49e68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02, skipping insertion in model container [2024-11-12 17:30:02,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:30:02,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:30:02,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:30:02,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:30:02,794 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:30:02,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02 WrapperNode [2024-11-12 17:30:02,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:30:02,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:30:02,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:30:02,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:30:02,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,840 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-12 17:30:02,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:30:02,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:30:02,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:30:02,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:30:02,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,860 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]. [2024-11-12 17:30:02,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:30:02,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:30:02,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:30:02,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:30:02,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (1/1) ... [2024-11-12 17:30:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:30:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:02,908 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) [2024-11-12 17:30:02,911 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 [2024-11-12 17:30:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:30:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:30:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:30:02,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:30:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:30:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:30:02,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:30:02,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:30:03,269 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-12 17:30:03,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:30:03,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:30:03,287 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 17:30:03,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:30:03 BoogieIcfgContainer [2024-11-12 17:30:03,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:30:03,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:30:03,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:30:03,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:30:03,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:30:02" (1/3) ... [2024-11-12 17:30:03,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48462784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:30:03, skipping insertion in model container [2024-11-12 17:30:03,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:30:02" (2/3) ... [2024-11-12 17:30:03,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48462784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:30:03, skipping insertion in model container [2024-11-12 17:30:03,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:30:03" (3/3) ... [2024-11-12 17:30:03,309 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound50.c [2024-11-12 17:30:03,322 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:30:03,322 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-12 17:30:03,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:30:03,381 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;@5270f42e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:30:03,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-12 17:30:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:30:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:30:03,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:03,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:30:03,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:03,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:03,403 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-12 17:30:03,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947421847] [2024-11-12 17:30:03,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:30:03,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:03,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947421847] [2024-11-12 17:30:03,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947421847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:03,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:03,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:03,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022012408] [2024-11-12 17:30:03,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:03,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:30:03,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:03,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:30:03,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:30:03,546 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:03,565 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2024-11-12 17:30:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:30:03,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:30:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:03,571 INFO L225 Difference]: With dead ends: 164 [2024-11-12 17:30:03,571 INFO L226 Difference]: Without dead ends: 76 [2024-11-12 17:30:03,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:30:03,576 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:03,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-12 17:30:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-12 17:30:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:30:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-11-12 17:30:03,604 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2024-11-12 17:30:03,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:03,604 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-11-12 17:30:03,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-11-12 17:30:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:30:03,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:03,605 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:30:03,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:30:03,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:03,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-12 17:30:03,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:03,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360051418] [2024-11-12 17:30:03,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:03,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:30:03,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:03,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360051418] [2024-11-12 17:30:03,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360051418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:03,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:03,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:03,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082534958] [2024-11-12 17:30:03,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:03,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:03,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:03,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:03,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:03,708 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:03,772 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-12 17:30:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:30:03,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:30:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:03,773 INFO L225 Difference]: With dead ends: 85 [2024-11-12 17:30:03,773 INFO L226 Difference]: Without dead ends: 84 [2024-11-12 17:30:03,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:03,774 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:03,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-12 17:30:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-12 17:30:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:30:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-12 17:30:03,791 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2024-11-12 17:30:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:03,813 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-12 17:30:03,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-12 17:30:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:30:03,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:03,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:03,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:30:03,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:03,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:03,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-12 17:30:03,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:03,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640227146] [2024-11-12 17:30:03,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:30:03,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640227146] [2024-11-12 17:30:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640227146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085737965] [2024-11-12 17:30:03,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:03,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:03,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:03,907 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:03,944 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2024-11-12 17:30:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:03,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 17:30:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:03,949 INFO L225 Difference]: With dead ends: 134 [2024-11-12 17:30:03,949 INFO L226 Difference]: Without dead ends: 83 [2024-11-12 17:30:03,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:03,951 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 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 [2024-11-12 17:30:03,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:03,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-12 17:30:03,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-12 17:30:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:30:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2024-11-12 17:30:03,958 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2024-11-12 17:30:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:03,958 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2024-11-12 17:30:03,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:30:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-12 17:30:03,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 17:30:03,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:03,959 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:03,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:30:03,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:03,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash 667309322, now seen corresponding path program 1 times [2024-11-12 17:30:03,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:03,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387259535] [2024-11-12 17:30:03,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:03,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598824745] [2024-11-12 17:30:03,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:03,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:03,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:03,994 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) [2024-11-12 17:30:03,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:30:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:30:04,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:30:04,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:04,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:04,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387259535] [2024-11-12 17:30:04,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:04,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598824745] [2024-11-12 17:30:04,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598824745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:04,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:04,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:04,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180664705] [2024-11-12 17:30:04,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:04,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:30:04,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:04,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:30:04,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,066 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-12 17:30:04,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:04,108 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2024-11-12 17:30:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:30:04,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-12 17:30:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:04,109 INFO L225 Difference]: With dead ends: 176 [2024-11-12 17:30:04,109 INFO L226 Difference]: Without dead ends: 122 [2024-11-12 17:30:04,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,110 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:04,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:04,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-12 17:30:04,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2024-11-12 17:30:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:30:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2024-11-12 17:30:04,117 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2024-11-12 17:30:04,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:04,118 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2024-11-12 17:30:04,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-12 17:30:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2024-11-12 17:30:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-12 17:30:04,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:04,119 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:04,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:30:04,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:04,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:04,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:04,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1596807332, now seen corresponding path program 1 times [2024-11-12 17:30:04,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:04,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935188422] [2024-11-12 17:30:04,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:04,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:04,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:04,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935188422] [2024-11-12 17:30:04,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935188422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:04,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579240648] [2024-11-12 17:30:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:30:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:04,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:30:04,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,427 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:04,506 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2024-11-12 17:30:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:30:04,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-12 17:30:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:04,507 INFO L225 Difference]: With dead ends: 106 [2024-11-12 17:30:04,509 INFO L226 Difference]: Without dead ends: 104 [2024-11-12 17:30:04,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,515 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:04,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:04,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-12 17:30:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-12 17:30:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:30:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-12 17:30:04,530 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2024-11-12 17:30:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:04,530 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-12 17:30:04,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-11-12 17:30:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:30:04,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:04,531 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:04,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:30:04,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:04,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2038581697, now seen corresponding path program 1 times [2024-11-12 17:30:04,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:04,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098946658] [2024-11-12 17:30:04,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:04,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:04,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:04,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098946658] [2024-11-12 17:30:04,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098946658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:04,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:04,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:30:04,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734424279] [2024-11-12 17:30:04,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:04,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:30:04,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:04,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:30:04,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:04,644 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:04,699 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2024-11-12 17:30:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:30:04,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-12 17:30:04,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:04,701 INFO L225 Difference]: With dead ends: 104 [2024-11-12 17:30:04,701 INFO L226 Difference]: Without dead ends: 103 [2024-11-12 17:30:04,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:30:04,703 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 72 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:04,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:04,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-12 17:30:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-12 17:30:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.537313432835821) internal successors, (103), 90 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:30:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-11-12 17:30:04,710 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 28 [2024-11-12 17:30:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:04,711 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-11-12 17:30:04,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-12 17:30:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:30:04,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:04,712 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:04,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:30:04,713 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:04,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:04,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2038580191, now seen corresponding path program 1 times [2024-11-12 17:30:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:04,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357329490] [2024-11-12 17:30:04,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:04,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:04,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357329490] [2024-11-12 17:30:04,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357329490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:04,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:04,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211678318] [2024-11-12 17:30:04,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:04,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:30:04,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:30:04,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,806 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:04,843 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2024-11-12 17:30:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:30:04,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-12 17:30:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:04,845 INFO L225 Difference]: With dead ends: 113 [2024-11-12 17:30:04,845 INFO L226 Difference]: Without dead ends: 112 [2024-11-12 17:30:04,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:04,846 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:04,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 126 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-12 17:30:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2024-11-12 17:30:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:30:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-12 17:30:04,863 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2024-11-12 17:30:04,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:04,863 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-12 17:30:04,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-12 17:30:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-12 17:30:04,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:04,864 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:04,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:30:04,865 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:04,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:04,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1228476917, now seen corresponding path program 1 times [2024-11-12 17:30:04,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:04,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610327457] [2024-11-12 17:30:04,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:04,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:04,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610327457] [2024-11-12 17:30:04,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610327457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:04,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:04,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:30:04,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871635474] [2024-11-12 17:30:04,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:04,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:30:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:04,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:30:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:04,947 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:05,002 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2024-11-12 17:30:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:30:05,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-12 17:30:05,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:05,004 INFO L225 Difference]: With dead ends: 120 [2024-11-12 17:30:05,007 INFO L226 Difference]: Without dead ends: 111 [2024-11-12 17:30:05,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:30:05,008 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:05,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-12 17:30:05,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-12 17:30:05,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:30:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-12 17:30:05,015 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2024-11-12 17:30:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:05,015 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-12 17:30:05,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-12 17:30:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:30:05,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:05,016 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:05,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:30:05,016 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:05,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:05,017 INFO L85 PathProgramCache]: Analyzing trace with hash -549686313, now seen corresponding path program 1 times [2024-11-12 17:30:05,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:05,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575468239] [2024-11-12 17:30:05,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:05,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:05,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614599015] [2024-11-12 17:30:05,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:05,028 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) [2024-11-12 17:30:05,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:30:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:30:05,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:05,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:05,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575468239] [2024-11-12 17:30:05,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614599015] [2024-11-12 17:30:05,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614599015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:05,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:05,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:05,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163682443] [2024-11-12 17:30:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:05,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:30:05,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:05,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:30:05,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:05,086 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:05,119 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2024-11-12 17:30:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:30:05,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-12 17:30:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:05,120 INFO L225 Difference]: With dead ends: 145 [2024-11-12 17:30:05,120 INFO L226 Difference]: Without dead ends: 141 [2024-11-12 17:30:05,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:05,121 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:05,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-12 17:30:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2024-11-12 17:30:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:30:05,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-12 17:30:05,127 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2024-11-12 17:30:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:05,127 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-12 17:30:05,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,127 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-12 17:30:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:30:05,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:05,128 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:05,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:05,332 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 [2024-11-12 17:30:05,333 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:05,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:05,333 INFO L85 PathProgramCache]: Analyzing trace with hash 32433593, now seen corresponding path program 1 times [2024-11-12 17:30:05,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:05,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622700091] [2024-11-12 17:30:05,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622700091] [2024-11-12 17:30:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622700091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:05,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:05,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:30:05,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821553669] [2024-11-12 17:30:05,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:05,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:05,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:05,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:05,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:05,399 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:05,747 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-12 17:30:05,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:05,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-12 17:30:05,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:05,749 INFO L225 Difference]: With dead ends: 151 [2024-11-12 17:30:05,749 INFO L226 Difference]: Without dead ends: 150 [2024-11-12 17:30:05,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:05,750 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:05,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:30:05,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-12 17:30:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2024-11-12 17:30:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 118 states have internal predecessors, (139), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:30:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2024-11-12 17:30:05,759 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 33 [2024-11-12 17:30:05,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:05,760 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2024-11-12 17:30:05,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2024-11-12 17:30:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:30:05,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:05,761 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:05,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:30:05,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:05,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:05,761 INFO L85 PathProgramCache]: Analyzing trace with hash 185732939, now seen corresponding path program 1 times [2024-11-12 17:30:05,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:05,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480174849] [2024-11-12 17:30:05,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:05,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:05,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:05,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480174849] [2024-11-12 17:30:05,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480174849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:05,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708238992] [2024-11-12 17:30:05,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:05,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:05,809 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) [2024-11-12 17:30:05,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:30:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:05,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:30:05,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:05,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:05,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708238992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:05,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:30:05,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-12 17:30:05,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222642817] [2024-11-12 17:30:05,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:05,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:30:05,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:05,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:30:05,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:30:05,946 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:30:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:06,055 INFO L93 Difference]: Finished difference Result 267 states and 325 transitions. [2024-11-12 17:30:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:30:06,055 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-12 17:30:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:06,056 INFO L225 Difference]: With dead ends: 267 [2024-11-12 17:30:06,057 INFO L226 Difference]: Without dead ends: 191 [2024-11-12 17:30:06,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:30:06,057 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:06,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:06,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-12 17:30:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-12 17:30:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:30:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-12 17:30:06,070 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2024-11-12 17:30:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:06,070 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-12 17:30:06,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-12 17:30:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2024-11-12 17:30:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-12 17:30:06,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:06,071 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:06,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:30:06,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:06,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:06,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1005441480, now seen corresponding path program 1 times [2024-11-12 17:30:06,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:06,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448836055] [2024-11-12 17:30:06,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:06,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:06,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080426686] [2024-11-12 17:30:06,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:06,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:06,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:06,288 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) [2024-11-12 17:30:06,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:30:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:06,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:30:06,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:30:06,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:06,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:06,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448836055] [2024-11-12 17:30:06,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:06,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080426686] [2024-11-12 17:30:06,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080426686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:06,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:06,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:30:06,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797493424] [2024-11-12 17:30:06,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:06,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:06,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:06,404 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:06,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:06,500 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2024-11-12 17:30:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:30:06,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-12 17:30:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:06,501 INFO L225 Difference]: With dead ends: 179 [2024-11-12 17:30:06,501 INFO L226 Difference]: Without dead ends: 176 [2024-11-12 17:30:06,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:06,502 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:06,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:06,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-12 17:30:06,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-12 17:30:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:30:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-12 17:30:06,513 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2024-11-12 17:30:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:06,513 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-12 17:30:06,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:30:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-12 17:30:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:30:06,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:06,514 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:06,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:30:06,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:06,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:06,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:06,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1132558923, now seen corresponding path program 1 times [2024-11-12 17:30:06,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:06,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012555345] [2024-11-12 17:30:06,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:06,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300703597] [2024-11-12 17:30:06,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:06,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:06,727 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) [2024-11-12 17:30:06,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:30:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:06,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:30:06,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:30:06,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012555345] [2024-11-12 17:30:06,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300703597] [2024-11-12 17:30:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300703597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:06,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:06,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:30:06,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68005131] [2024-11-12 17:30:06,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:06,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:06,791 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:06,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:06,859 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-12 17:30:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:30:06,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-12 17:30:06,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:06,862 INFO L225 Difference]: With dead ends: 213 [2024-11-12 17:30:06,862 INFO L226 Difference]: Without dead ends: 203 [2024-11-12 17:30:06,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:06,863 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:06,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:30:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-12 17:30:06,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2024-11-12 17:30:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:30:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2024-11-12 17:30:06,879 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2024-11-12 17:30:06,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:06,880 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2024-11-12 17:30:06,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2024-11-12 17:30:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:30:06,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:06,881 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:06,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:30:07,082 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,SelfDestructingSolverStorable12 [2024-11-12 17:30:07,083 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:07,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:07,083 INFO L85 PathProgramCache]: Analyzing trace with hash 749588304, now seen corresponding path program 1 times [2024-11-12 17:30:07,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:07,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178259038] [2024-11-12 17:30:07,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:07,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:07,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195387235] [2024-11-12 17:30:07,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:07,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:07,102 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) [2024-11-12 17:30:07,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:30:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:30:07,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:30:07,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:07,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178259038] [2024-11-12 17:30:07,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:07,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195387235] [2024-11-12 17:30:07,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195387235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:07,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-12 17:30:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861966336] [2024-11-12 17:30:07,273 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:07,274 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:07,340 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2024-11-12 17:30:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:30:07,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-12 17:30:07,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:07,342 INFO L225 Difference]: With dead ends: 281 [2024-11-12 17:30:07,342 INFO L226 Difference]: Without dead ends: 277 [2024-11-12 17:30:07,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:07,343 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:07,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-12 17:30:07,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-11-12 17:30:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:30:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2024-11-12 17:30:07,358 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2024-11-12 17:30:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:07,358 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2024-11-12 17:30:07,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2024-11-12 17:30:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-12 17:30:07,360 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:07,360 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:07,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:07,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:07,566 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:07,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:07,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1118998551, now seen corresponding path program 1 times [2024-11-12 17:30:07,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:07,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457881411] [2024-11-12 17:30:07,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:07,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 17:30:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 17:30:07,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457881411] [2024-11-12 17:30:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457881411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:07,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:30:07,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046222689] [2024-11-12 17:30:07,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:07,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:07,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:07,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:07,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:30:07,672 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:08,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:08,037 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2024-11-12 17:30:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-12 17:30:08,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:08,039 INFO L225 Difference]: With dead ends: 256 [2024-11-12 17:30:08,039 INFO L226 Difference]: Without dead ends: 239 [2024-11-12 17:30:08,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:08,040 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:08,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 135 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:30:08,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-12 17:30:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2024-11-12 17:30:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 17:30:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2024-11-12 17:30:08,058 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2024-11-12 17:30:08,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:08,058 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2024-11-12 17:30:08,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2024-11-12 17:30:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-12 17:30:08,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:08,059 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:08,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 17:30:08,059 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:08,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:08,060 INFO L85 PathProgramCache]: Analyzing trace with hash 287436800, now seen corresponding path program 1 times [2024-11-12 17:30:08,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:08,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312151086] [2024-11-12 17:30:08,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:08,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:08,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312151086] [2024-11-12 17:30:08,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312151086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:08,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793102757] [2024-11-12 17:30:08,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:08,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:08,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:08,123 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) [2024-11-12 17:30:08,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:30:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:30:08,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:08,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:08,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793102757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:08,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:30:08,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 17:30:08,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140841723] [2024-11-12 17:30:08,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:08,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:30:08,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:08,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:30:08,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:08,289 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:30:08,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:08,423 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2024-11-12 17:30:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:30:08,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-12 17:30:08,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:08,425 INFO L225 Difference]: With dead ends: 364 [2024-11-12 17:30:08,425 INFO L226 Difference]: Without dead ends: 362 [2024-11-12 17:30:08,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:08,426 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:08,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 266 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-12 17:30:08,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2024-11-12 17:30:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 17:30:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2024-11-12 17:30:08,449 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2024-11-12 17:30:08,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:08,449 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2024-11-12 17:30:08,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:30:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2024-11-12 17:30:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 17:30:08,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:08,450 INFO L218 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] [2024-11-12 17:30:08,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:08,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:08,651 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:08,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash 320559606, now seen corresponding path program 1 times [2024-11-12 17:30:08,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:08,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840497745] [2024-11-12 17:30:08,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:08,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:08,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840497745] [2024-11-12 17:30:08,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840497745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:08,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284285084] [2024-11-12 17:30:08,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:08,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:08,820 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) [2024-11-12 17:30:08,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:30:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:08,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:30:08,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:30:08,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284285084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:09,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:30:09,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-12 17:30:09,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893300707] [2024-11-12 17:30:09,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:09,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:30:09,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:09,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:30:09,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:30:09,015 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 17:30:09,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:09,359 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2024-11-12 17:30:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 17:30:09,360 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2024-11-12 17:30:09,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:09,361 INFO L225 Difference]: With dead ends: 346 [2024-11-12 17:30:09,361 INFO L226 Difference]: Without dead ends: 340 [2024-11-12 17:30:09,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-12 17:30:09,362 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 91 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:09,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 492 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:30:09,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-12 17:30:09,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2024-11-12 17:30:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 17:30:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2024-11-12 17:30:09,377 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2024-11-12 17:30:09,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:09,377 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2024-11-12 17:30:09,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 17:30:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2024-11-12 17:30:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:30:09,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:09,378 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:09,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:30:09,578 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,SelfDestructingSolverStorable16 [2024-11-12 17:30:09,579 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:09,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash 770531943, now seen corresponding path program 1 times [2024-11-12 17:30:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:09,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400216638] [2024-11-12 17:30:09,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:09,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1477777846] [2024-11-12 17:30:09,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:09,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:09,594 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) [2024-11-12 17:30:09,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:30:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:09,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:30:09,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:09,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:09,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400216638] [2024-11-12 17:30:09,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:09,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477777846] [2024-11-12 17:30:09,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477777846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:09,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:30:09,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:30:09,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154993096] [2024-11-12 17:30:09,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:09,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:30:09,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:30:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:30:09,890 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:30:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:10,269 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2024-11-12 17:30:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:30:10,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2024-11-12 17:30:10,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:10,271 INFO L225 Difference]: With dead ends: 367 [2024-11-12 17:30:10,271 INFO L226 Difference]: Without dead ends: 361 [2024-11-12 17:30:10,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:30:10,272 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 222 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:10,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 231 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:30:10,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-12 17:30:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2024-11-12 17:30:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 17:30:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2024-11-12 17:30:10,292 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2024-11-12 17:30:10,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:10,292 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2024-11-12 17:30:10,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:30:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2024-11-12 17:30:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-12 17:30:10,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:10,293 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:10,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:10,497 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,SelfDestructingSolverStorable17 [2024-11-12 17:30:10,498 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:10,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:10,498 INFO L85 PathProgramCache]: Analyzing trace with hash -966584528, now seen corresponding path program 1 times [2024-11-12 17:30:10,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:10,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125267180] [2024-11-12 17:30:10,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:10,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:10,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:10,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125267180] [2024-11-12 17:30:10,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125267180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:10,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727161604] [2024-11-12 17:30:10,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:10,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:10,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:10,586 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) [2024-11-12 17:30:10,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:30:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:10,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:30:10,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:30:10,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-12 17:30:10,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727161604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:10,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:30:10,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-12 17:30:10,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058925702] [2024-11-12 17:30:10,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:10,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:30:10,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:10,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:30:10,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:30:10,771 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 17:30:10,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:10,946 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2024-11-12 17:30:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:30:10,946 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2024-11-12 17:30:10,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:10,947 INFO L225 Difference]: With dead ends: 513 [2024-11-12 17:30:10,948 INFO L226 Difference]: Without dead ends: 363 [2024-11-12 17:30:10,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:30:10,948 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 85 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:10,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 634 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:10,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-12 17:30:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 349. [2024-11-12 17:30:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 285 states have (on average 1.343859649122807) internal successors, (383), 304 states have internal predecessors, (383), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 17:30:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 455 transitions. [2024-11-12 17:30:10,985 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 455 transitions. Word has length 68 [2024-11-12 17:30:10,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:10,985 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 455 transitions. [2024-11-12 17:30:10,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 17:30:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 455 transitions. [2024-11-12 17:30:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 17:30:10,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:10,988 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:30:11,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:30:11,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:11,189 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:11,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:11,189 INFO L85 PathProgramCache]: Analyzing trace with hash -281646737, now seen corresponding path program 2 times [2024-11-12 17:30:11,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:11,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519105273] [2024-11-12 17:30:11,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:11,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131331831] [2024-11-12 17:30:11,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:30:11,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:11,200 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) [2024-11-12 17:30:11,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:30:11,238 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:30:11,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:30:11,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:30:11,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:11,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:11,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:11,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519105273] [2024-11-12 17:30:11,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:11,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131331831] [2024-11-12 17:30:11,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131331831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:11,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:11,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:30:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098556410] [2024-11-12 17:30:11,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:11,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:30:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:30:11,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:11,350 INFO L87 Difference]: Start difference. First operand 349 states and 455 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-12 17:30:11,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:11,430 INFO L93 Difference]: Finished difference Result 498 states and 639 transitions. [2024-11-12 17:30:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:11,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 72 [2024-11-12 17:30:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:11,432 INFO L225 Difference]: With dead ends: 498 [2024-11-12 17:30:11,432 INFO L226 Difference]: Without dead ends: 494 [2024-11-12 17:30:11,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:11,433 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 148 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:11,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 199 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-12 17:30:11,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 380. [2024-11-12 17:30:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 312 states have (on average 1.3237179487179487) internal successors, (413), 331 states have internal predecessors, (413), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:30:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 493 transitions. [2024-11-12 17:30:11,453 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 493 transitions. Word has length 72 [2024-11-12 17:30:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:11,454 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 493 transitions. [2024-11-12 17:30:11,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-12 17:30:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 493 transitions. [2024-11-12 17:30:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-12 17:30:11,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:11,454 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:11,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:30:11,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:11,655 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:11,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:11,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1910905065, now seen corresponding path program 1 times [2024-11-12 17:30:11,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:11,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731224987] [2024-11-12 17:30:11,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:11,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:30:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-12 17:30:11,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:11,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731224987] [2024-11-12 17:30:11,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731224987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:11,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:11,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:30:11,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493061840] [2024-11-12 17:30:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:11,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:30:11,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:11,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:30:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:11,707 INFO L87 Difference]: Start difference. First operand 380 states and 493 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:11,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:11,776 INFO L93 Difference]: Finished difference Result 380 states and 493 transitions. [2024-11-12 17:30:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:30:11,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-12 17:30:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:11,777 INFO L225 Difference]: With dead ends: 380 [2024-11-12 17:30:11,777 INFO L226 Difference]: Without dead ends: 379 [2024-11-12 17:30:11,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:30:11,778 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:11,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-12 17:30:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-12 17:30:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 312 states have (on average 1.310897435897436) internal successors, (409), 330 states have internal predecessors, (409), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 17:30:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 489 transitions. [2024-11-12 17:30:11,804 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 489 transitions. Word has length 79 [2024-11-12 17:30:11,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:11,804 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 489 transitions. [2024-11-12 17:30:11,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 489 transitions. [2024-11-12 17:30:11,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 17:30:11,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:11,805 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:11,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 17:30:11,805 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:11,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash -891485006, now seen corresponding path program 1 times [2024-11-12 17:30:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:11,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832094965] [2024-11-12 17:30:11,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:30:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-12 17:30:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:11,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832094965] [2024-11-12 17:30:11,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832094965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:11,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:11,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:30:11,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704203141] [2024-11-12 17:30:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:11,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:30:11,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:30:11,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:30:11,951 INFO L87 Difference]: Start difference. First operand 379 states and 489 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:12,351 INFO L93 Difference]: Finished difference Result 579 states and 774 transitions. [2024-11-12 17:30:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:30:12,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-12 17:30:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:12,354 INFO L225 Difference]: With dead ends: 579 [2024-11-12 17:30:12,355 INFO L226 Difference]: Without dead ends: 578 [2024-11-12 17:30:12,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:30:12,355 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 117 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:12,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 280 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:30:12,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-12 17:30:12,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 517. [2024-11-12 17:30:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 436 states have (on average 1.3669724770642202) internal successors, (596), 454 states have internal predecessors, (596), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:30:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 704 transitions. [2024-11-12 17:30:12,385 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 704 transitions. Word has length 80 [2024-11-12 17:30:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:12,385 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 704 transitions. [2024-11-12 17:30:12,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:30:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 704 transitions. [2024-11-12 17:30:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-12 17:30:12,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:12,386 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:12,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 17:30:12,386 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:12,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:12,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1866231285, now seen corresponding path program 1 times [2024-11-12 17:30:12,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:12,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96490064] [2024-11-12 17:30:12,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:30:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:12,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:12,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96490064] [2024-11-12 17:30:12,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96490064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491581414] [2024-11-12 17:30:12,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:12,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:12,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:12,506 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) [2024-11-12 17:30:12,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:30:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:12,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:30:12,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-12 17:30:12,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:12,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491581414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:12,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-12 17:30:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536703390] [2024-11-12 17:30:12,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:12,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:30:12,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:12,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:30:12,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:30:12,707 INFO L87 Difference]: Start difference. First operand 517 states and 704 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:12,886 INFO L93 Difference]: Finished difference Result 562 states and 753 transitions. [2024-11-12 17:30:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:12,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2024-11-12 17:30:12,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:12,889 INFO L225 Difference]: With dead ends: 562 [2024-11-12 17:30:12,889 INFO L226 Difference]: Without dead ends: 561 [2024-11-12 17:30:12,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:30:12,890 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 82 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:12,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 144 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:12,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-12 17:30:12,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 529. [2024-11-12 17:30:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 448 states have (on average 1.3571428571428572) internal successors, (608), 466 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:30:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 716 transitions. [2024-11-12 17:30:12,931 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 716 transitions. Word has length 81 [2024-11-12 17:30:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:12,931 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 716 transitions. [2024-11-12 17:30:12,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 716 transitions. [2024-11-12 17:30:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-12 17:30:12,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:12,932 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:12,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:30:13,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-12 17:30:13,133 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:13,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2018594860, now seen corresponding path program 1 times [2024-11-12 17:30:13,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:13,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684245034] [2024-11-12 17:30:13,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:13,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:30:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:13,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:13,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684245034] [2024-11-12 17:30:13,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684245034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:13,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61011721] [2024-11-12 17:30:13,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:13,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:13,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:13,263 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) [2024-11-12 17:30:13,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:30:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:30:13,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-12 17:30:13,418 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:30:13,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61011721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:13,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:13,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-12 17:30:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004915543] [2024-11-12 17:30:13,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:13,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:30:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:13,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:30:13,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:30:13,420 INFO L87 Difference]: Start difference. First operand 529 states and 716 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:13,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:13,595 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2024-11-12 17:30:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:30:13,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2024-11-12 17:30:13,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:13,599 INFO L225 Difference]: With dead ends: 544 [2024-11-12 17:30:13,599 INFO L226 Difference]: Without dead ends: 542 [2024-11-12 17:30:13,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:30:13,600 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:13,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-12 17:30:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 533. [2024-11-12 17:30:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 452 states have (on average 1.345132743362832) internal successors, (608), 470 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:30:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 716 transitions. [2024-11-12 17:30:13,636 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 716 transitions. Word has length 82 [2024-11-12 17:30:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:13,636 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 716 transitions. [2024-11-12 17:30:13,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 716 transitions. [2024-11-12 17:30:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:30:13,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:13,638 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:13,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:13,838 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,SelfDestructingSolverStorable23 [2024-11-12 17:30:13,839 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:13,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:13,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1041574332, now seen corresponding path program 1 times [2024-11-12 17:30:13,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:13,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599340778] [2024-11-12 17:30:13,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:30:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:30:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:30:13,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:13,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599340778] [2024-11-12 17:30:13,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599340778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:13,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682923738] [2024-11-12 17:30:13,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:13,965 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) [2024-11-12 17:30:13,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:30:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:14,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:30:14,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-12 17:30:14,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 17:30:14,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682923738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:14,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:30:14,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-12 17:30:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735571395] [2024-11-12 17:30:14,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:14,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 17:30:14,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 17:30:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:30:14,206 INFO L87 Difference]: Start difference. First operand 533 states and 716 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-12 17:30:14,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:14,530 INFO L93 Difference]: Finished difference Result 600 states and 786 transitions. [2024-11-12 17:30:14,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-12 17:30:14,531 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 86 [2024-11-12 17:30:14,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:14,533 INFO L225 Difference]: With dead ends: 600 [2024-11-12 17:30:14,533 INFO L226 Difference]: Without dead ends: 588 [2024-11-12 17:30:14,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 17:30:14,534 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 148 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:14,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 554 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:30:14,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-12 17:30:14,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 561. [2024-11-12 17:30:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 475 states have (on average 1.3305263157894738) internal successors, (632), 493 states have internal predecessors, (632), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-12 17:30:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 746 transitions. [2024-11-12 17:30:14,568 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 746 transitions. Word has length 86 [2024-11-12 17:30:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:14,569 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 746 transitions. [2024-11-12 17:30:14,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-12 17:30:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 746 transitions. [2024-11-12 17:30:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-12 17:30:14,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:14,570 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:14,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 17:30:14,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:14,772 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:14,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:14,772 INFO L85 PathProgramCache]: Analyzing trace with hash 595065312, now seen corresponding path program 1 times [2024-11-12 17:30:14,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:14,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213043495] [2024-11-12 17:30:14,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:14,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427798622] [2024-11-12 17:30:14,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:14,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:14,793 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) [2024-11-12 17:30:14,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:30:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:14,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:30:14,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:15,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213043495] [2024-11-12 17:30:15,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427798622] [2024-11-12 17:30:15,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427798622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:15,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:30:15,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885633157] [2024-11-12 17:30:15,444 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:15,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:30:15,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:30:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:30:15,445 INFO L87 Difference]: Start difference. First operand 561 states and 746 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-12 17:30:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:15,801 INFO L93 Difference]: Finished difference Result 630 states and 838 transitions. [2024-11-12 17:30:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:30:15,801 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 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 87 [2024-11-12 17:30:15,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:15,803 INFO L225 Difference]: With dead ends: 630 [2024-11-12 17:30:15,803 INFO L226 Difference]: Without dead ends: 629 [2024-11-12 17:30:15,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:30:15,804 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:15,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 363 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:30:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-12 17:30:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 601. [2024-11-12 17:30:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 511 states have (on average 1.3268101761252447) internal successors, (678), 529 states have internal predecessors, (678), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-12 17:30:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 800 transitions. [2024-11-12 17:30:15,841 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 800 transitions. Word has length 87 [2024-11-12 17:30:15,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:15,841 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 800 transitions. [2024-11-12 17:30:15,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-12 17:30:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 800 transitions. [2024-11-12 17:30:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-12 17:30:15,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:15,842 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:15,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:30:16,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-12 17:30:16,043 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:16,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:16,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1267155581, now seen corresponding path program 1 times [2024-11-12 17:30:16,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:16,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648331053] [2024-11-12 17:30:16,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:16,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:16,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956124651] [2024-11-12 17:30:16,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:16,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:16,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:16,066 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:30:16,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:30:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:16,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:30:16,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:16,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:16,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648331053] [2024-11-12 17:30:16,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:16,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956124651] [2024-11-12 17:30:16,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956124651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:16,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:16,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:30:16,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803202329] [2024-11-12 17:30:16,637 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:16,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:30:16,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:16,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:30:16,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:30:16,638 INFO L87 Difference]: Start difference. First operand 601 states and 800 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 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) [2024-11-12 17:30:16,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:16,863 INFO L93 Difference]: Finished difference Result 657 states and 878 transitions. [2024-11-12 17:30:16,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:30:16,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 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 88 [2024-11-12 17:30:16,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:16,865 INFO L225 Difference]: With dead ends: 657 [2024-11-12 17:30:16,865 INFO L226 Difference]: Without dead ends: 656 [2024-11-12 17:30:16,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:30:16,866 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 65 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:16,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 232 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:30:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-12 17:30:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 641. [2024-11-12 17:30:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 547 states have (on average 1.323583180987203) internal successors, (724), 565 states have internal predecessors, (724), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 17:30:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 854 transitions. [2024-11-12 17:30:16,911 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 854 transitions. Word has length 88 [2024-11-12 17:30:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:16,912 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 854 transitions. [2024-11-12 17:30:16,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 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) [2024-11-12 17:30:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 854 transitions. [2024-11-12 17:30:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 17:30:16,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:16,913 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:16,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-12 17:30:17,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-12 17:30:17,118 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:17,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:17,118 INFO L85 PathProgramCache]: Analyzing trace with hash 627117442, now seen corresponding path program 1 times [2024-11-12 17:30:17,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:17,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937513001] [2024-11-12 17:30:17,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:17,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:30:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:30:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:30:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:30:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:30:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:30:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:30:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:30:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-12 17:30:17,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:17,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937513001] [2024-11-12 17:30:17,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937513001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:30:17,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:30:17,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:30:17,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062809103] [2024-11-12 17:30:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:30:17,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:30:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:30:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:30:17,214 INFO L87 Difference]: Start difference. First operand 641 states and 854 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:18,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:18,321 INFO L93 Difference]: Finished difference Result 646 states and 861 transitions. [2024-11-12 17:30:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:30:18,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-12 17:30:18,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:18,324 INFO L225 Difference]: With dead ends: 646 [2024-11-12 17:30:18,324 INFO L226 Difference]: Without dead ends: 645 [2024-11-12 17:30:18,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:30:18,325 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:18,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 17:30:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-12 17:30:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 640. [2024-11-12 17:30:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 547 states have (on average 1.3089579524680073) internal successors, (716), 564 states have internal predecessors, (716), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 17:30:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 846 transitions. [2024-11-12 17:30:18,360 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 846 transitions. Word has length 89 [2024-11-12 17:30:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:18,360 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 846 transitions. [2024-11-12 17:30:18,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-12 17:30:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 846 transitions. [2024-11-12 17:30:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-12 17:30:18,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:18,361 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:30:18,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 17:30:18,362 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:18,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:18,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2034195681, now seen corresponding path program 1 times [2024-11-12 17:30:18,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:18,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220141234] [2024-11-12 17:30:18,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:18,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706998895] [2024-11-12 17:30:18,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:18,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:18,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:18,382 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:30:18,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:30:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:30:18,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-12 17:30:18,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:19,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 17:30:20,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:20,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220141234] [2024-11-12 17:30:20,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:20,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706998895] [2024-11-12 17:30:20,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706998895] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:30:20,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:30:20,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-12 17:30:20,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773077242] [2024-11-12 17:30:20,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:20,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 17:30:20,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:20,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 17:30:20,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:30:20,646 INFO L87 Difference]: Start difference. First operand 640 states and 846 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:30:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:30:25,207 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2024-11-12 17:30:25,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-12 17:30:25,208 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2024-11-12 17:30:25,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:30:25,210 INFO L225 Difference]: With dead ends: 809 [2024-11-12 17:30:25,210 INFO L226 Difference]: Without dead ends: 659 [2024-11-12 17:30:25,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 17:30:25,211 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 293 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:30:25,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 474 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-12 17:30:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-12 17:30:25,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 595. [2024-11-12 17:30:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 508 states have (on average 1.3208661417322836) internal successors, (671), 525 states have internal predecessors, (671), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 17:30:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 789 transitions. [2024-11-12 17:30:25,245 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 789 transitions. Word has length 90 [2024-11-12 17:30:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:30:25,246 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 789 transitions. [2024-11-12 17:30:25,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-12 17:30:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 789 transitions. [2024-11-12 17:30:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-12 17:30:25,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:30:25,247 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-12 17:30:25,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-12 17:30:25,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-12 17:30:25,447 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:30:25,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:30:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash -861697330, now seen corresponding path program 3 times [2024-11-12 17:30:25,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:30:25,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181434777] [2024-11-12 17:30:25,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:30:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:30:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:30:25,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827770632] [2024-11-12 17:30:25,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:30:25,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:30:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:30:25,461 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:30:25,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:30:25,535 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:30:25,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:30:25,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:30:25,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:30:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 44 proven. 38 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-12 17:30:25,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:30:26,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:30:26,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181434777] [2024-11-12 17:30:26,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:30:26,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827770632] [2024-11-12 17:30:26,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827770632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:30:26,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:30:26,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:30:26,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921636628] [2024-11-12 17:30:26,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:30:26,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:30:26,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:30:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:30:26,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:30:26,252 INFO L87 Difference]: Start difference. First operand 595 states and 789 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:30:30,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:34,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:38,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:43,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:47,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:50,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:55,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:30:59,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:31:03,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:31:07,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:31:11,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:31:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:13,046 INFO L93 Difference]: Finished difference Result 774 states and 1010 transitions. [2024-11-12 17:31:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 17:31:13,047 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-12 17:31:13,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:13,049 INFO L225 Difference]: With dead ends: 774 [2024-11-12 17:31:13,049 INFO L226 Difference]: Without dead ends: 759 [2024-11-12 17:31:13,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:31:13,050 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 23 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:13,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 520 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 662 Invalid, 10 Unknown, 0 Unchecked, 46.6s Time] [2024-11-12 17:31:13,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-12 17:31:13,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 696. [2024-11-12 17:31:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 597 states have (on average 1.2948073701842546) internal successors, (773), 612 states have internal predecessors, (773), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 919 transitions. [2024-11-12 17:31:13,096 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 919 transitions. Word has length 98 [2024-11-12 17:31:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:13,097 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 919 transitions. [2024-11-12 17:31:13,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:31:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 919 transitions. [2024-11-12 17:31:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 17:31:13,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:13,098 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:13,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-12 17:31:13,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:13,299 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:13,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:13,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1064735134, now seen corresponding path program 1 times [2024-11-12 17:31:13,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:13,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804424880] [2024-11-12 17:31:13,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:13,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441258829] [2024-11-12 17:31:13,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:13,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:13,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:13,322 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:13,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:31:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:13,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:31:13,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:31:13,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:14,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:14,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804424880] [2024-11-12 17:31:14,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:31:14,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441258829] [2024-11-12 17:31:14,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441258829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:14,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:31:14,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:31:14,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422125043] [2024-11-12 17:31:14,188 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:14,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:31:14,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:14,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:31:14,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:31:14,189 INFO L87 Difference]: Start difference. First operand 696 states and 919 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:31:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:14,472 INFO L93 Difference]: Finished difference Result 701 states and 926 transitions. [2024-11-12 17:31:14,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:31:14,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-11-12 17:31:14,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:14,475 INFO L225 Difference]: With dead ends: 701 [2024-11-12 17:31:14,475 INFO L226 Difference]: Without dead ends: 700 [2024-11-12 17:31:14,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:31:14,476 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 29 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:14,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 323 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:31:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-12 17:31:14,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 697. [2024-11-12 17:31:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 598 states have (on average 1.294314381270903) internal successors, (774), 613 states have internal predecessors, (774), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 920 transitions. [2024-11-12 17:31:14,534 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 920 transitions. Word has length 104 [2024-11-12 17:31:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:14,534 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 920 transitions. [2024-11-12 17:31:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:31:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 920 transitions. [2024-11-12 17:31:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 17:31:14,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:14,535 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:14,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-12 17:31:14,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:14,736 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:14,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1352949077, now seen corresponding path program 1 times [2024-11-12 17:31:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:14,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759917907] [2024-11-12 17:31:14,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:14,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326996153] [2024-11-12 17:31:14,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:14,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:14,759 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:14,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:31:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:14,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:31:14,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:31:15,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759917907] [2024-11-12 17:31:16,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:31:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326996153] [2024-11-12 17:31:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326996153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:16,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:31:16,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:31:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740739200] [2024-11-12 17:31:16,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:16,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:31:16,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:16,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:31:16,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:31:16,199 INFO L87 Difference]: Start difference. First operand 697 states and 920 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:31:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:16,735 INFO L93 Difference]: Finished difference Result 953 states and 1287 transitions. [2024-11-12 17:31:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:31:16,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-12 17:31:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:16,737 INFO L225 Difference]: With dead ends: 953 [2024-11-12 17:31:16,738 INFO L226 Difference]: Without dead ends: 603 [2024-11-12 17:31:16,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:31:16,739 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 60 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:16,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 333 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:31:16,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-12 17:31:16,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 589. [2024-11-12 17:31:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 502 states have (on average 1.298804780876494) internal successors, (652), 517 states have internal predecessors, (652), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-12 17:31:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 774 transitions. [2024-11-12 17:31:16,775 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 774 transitions. Word has length 105 [2024-11-12 17:31:16,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:16,776 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 774 transitions. [2024-11-12 17:31:16,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-12 17:31:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 774 transitions. [2024-11-12 17:31:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:31:16,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:16,777 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:16,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:31:16,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-12 17:31:16,978 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:16,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1008251712, now seen corresponding path program 1 times [2024-11-12 17:31:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:16,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585981845] [2024-11-12 17:31:16,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:16,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:31:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 17:31:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:31:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 17:31:17,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585981845] [2024-11-12 17:31:17,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585981845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:31:17,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:31:17,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:31:17,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720976839] [2024-11-12 17:31:17,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:31:17,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:31:17,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:31:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:31:17,051 INFO L87 Difference]: Start difference. First operand 589 states and 774 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:31:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:17,424 INFO L93 Difference]: Finished difference Result 589 states and 774 transitions. [2024-11-12 17:31:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:31:17,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-12 17:31:17,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:17,427 INFO L225 Difference]: With dead ends: 589 [2024-11-12 17:31:17,427 INFO L226 Difference]: Without dead ends: 588 [2024-11-12 17:31:17,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:31:17,430 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 57 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:17,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 143 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:31:17,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-12 17:31:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2024-11-12 17:31:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 502 states have (on average 1.296812749003984) internal successors, (651), 516 states have internal predecessors, (651), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-12 17:31:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 773 transitions. [2024-11-12 17:31:17,480 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 773 transitions. Word has length 106 [2024-11-12 17:31:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:17,480 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 773 transitions. [2024-11-12 17:31:17,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:31:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 773 transitions. [2024-11-12 17:31:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-12 17:31:17,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:17,481 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-12 17:31:17,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-12 17:31:17,481 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:17,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1723994400, now seen corresponding path program 1 times [2024-11-12 17:31:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:17,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931817735] [2024-11-12 17:31:17,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:31:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:31:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:31:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 17:31:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:31:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:31:17,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:17,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931817735] [2024-11-12 17:31:17,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931817735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:17,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741927182] [2024-11-12 17:31:17,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:17,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:17,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:17,577 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:17,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:31:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:17,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:31:17,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:31:17,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-12 17:31:17,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741927182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:31:17,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:31:17,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 17:31:17,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308519342] [2024-11-12 17:31:17,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:17,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:31:17,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:31:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:31:17,806 INFO L87 Difference]: Start difference. First operand 588 states and 773 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-12 17:31:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:18,158 INFO L93 Difference]: Finished difference Result 1067 states and 1377 transitions. [2024-11-12 17:31:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:31:18,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2024-11-12 17:31:18,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:18,162 INFO L225 Difference]: With dead ends: 1067 [2024-11-12 17:31:18,162 INFO L226 Difference]: Without dead ends: 1064 [2024-11-12 17:31:18,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:31:18,163 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 401 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:18,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 418 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:31:18,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-12 17:31:18,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 687. [2024-11-12 17:31:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 589 states have (on average 1.2801358234295417) internal successors, (754), 603 states have internal predecessors, (754), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 900 transitions. [2024-11-12 17:31:18,229 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 900 transitions. Word has length 108 [2024-11-12 17:31:18,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:18,230 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 900 transitions. [2024-11-12 17:31:18,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-12 17:31:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 900 transitions. [2024-11-12 17:31:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-12 17:31:18,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:18,231 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:18,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-12 17:31:18,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-12 17:31:18,432 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:18,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1191032141, now seen corresponding path program 1 times [2024-11-12 17:31:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:18,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609003474] [2024-11-12 17:31:18,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:18,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:18,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695785820] [2024-11-12 17:31:18,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:18,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:18,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:18,451 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:18,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:31:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:18,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:31:18,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 17:31:18,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:26,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:26,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609003474] [2024-11-12 17:31:26,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:31:26,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695785820] [2024-11-12 17:31:26,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695785820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:26,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:31:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:31:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675989738] [2024-11-12 17:31:26,822 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:26,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:31:26,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:26,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:31:26,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-12 17:31:26,823 INFO L87 Difference]: Start difference. First operand 687 states and 900 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:31:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:27,047 INFO L93 Difference]: Finished difference Result 702 states and 916 transitions. [2024-11-12 17:31:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:31:27,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-12 17:31:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:27,050 INFO L225 Difference]: With dead ends: 702 [2024-11-12 17:31:27,050 INFO L226 Difference]: Without dead ends: 697 [2024-11-12 17:31:27,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-12 17:31:27,051 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 11 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:27,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 204 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:31:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-12 17:31:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 685. [2024-11-12 17:31:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 587 states have (on average 1.2793867120954003) internal successors, (751), 601 states have internal predecessors, (751), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 897 transitions. [2024-11-12 17:31:27,095 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 897 transitions. Word has length 107 [2024-11-12 17:31:27,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:27,095 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 897 transitions. [2024-11-12 17:31:27,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-12 17:31:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 897 transitions. [2024-11-12 17:31:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-12 17:31:27,096 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:27,096 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:27,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-12 17:31:27,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:27,297 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash -947865238, now seen corresponding path program 1 times [2024-11-12 17:31:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:27,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063665212] [2024-11-12 17:31:27,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 17:31:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 17:31:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-12 17:31:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-12 17:31:27,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:27,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063665212] [2024-11-12 17:31:27,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063665212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:27,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279516967] [2024-11-12 17:31:27,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:27,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:27,559 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:27,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:31:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:27,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:31:27,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:31:27,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:31:27,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279516967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:31:27,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:31:27,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-12 17:31:27,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030090461] [2024-11-12 17:31:27,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:27,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:31:27,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:31:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:31:27,779 INFO L87 Difference]: Start difference. First operand 685 states and 897 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-12 17:31:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:28,578 INFO L93 Difference]: Finished difference Result 1126 states and 1521 transitions. [2024-11-12 17:31:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:31:28,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2024-11-12 17:31:28,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:28,582 INFO L225 Difference]: With dead ends: 1126 [2024-11-12 17:31:28,582 INFO L226 Difference]: Without dead ends: 960 [2024-11-12 17:31:28,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:31:28,583 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 242 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:28,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 587 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:31:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-12 17:31:28,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 673. [2024-11-12 17:31:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 576 states have (on average 1.3142361111111112) internal successors, (757), 590 states have internal predecessors, (757), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 903 transitions. [2024-11-12 17:31:28,630 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 903 transitions. Word has length 110 [2024-11-12 17:31:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:28,630 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 903 transitions. [2024-11-12 17:31:28,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-12 17:31:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 903 transitions. [2024-11-12 17:31:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-12 17:31:28,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:28,632 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:28,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-12 17:31:28,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:28,833 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:28,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1591341407, now seen corresponding path program 2 times [2024-11-12 17:31:28,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:28,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561344050] [2024-11-12 17:31:28,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:28,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:28,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417441676] [2024-11-12 17:31:28,851 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:31:28,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:28,853 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:28,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:31:28,902 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:31:28,902 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:31:28,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:31:28,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:31:29,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:29,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:29,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561344050] [2024-11-12 17:31:29,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:31:29,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417441676] [2024-11-12 17:31:29,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417441676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:29,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:31:29,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:31:29,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751226258] [2024-11-12 17:31:29,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:29,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:31:29,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:29,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:31:29,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:31:29,498 INFO L87 Difference]: Start difference. First operand 673 states and 903 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:31:29,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:29,659 INFO L93 Difference]: Finished difference Result 683 states and 915 transitions. [2024-11-12 17:31:29,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:31:29,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-11-12 17:31:29,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:29,662 INFO L225 Difference]: With dead ends: 683 [2024-11-12 17:31:29,662 INFO L226 Difference]: Without dead ends: 681 [2024-11-12 17:31:29,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:31:29,663 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 103 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:29,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 204 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:31:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-12 17:31:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 671. [2024-11-12 17:31:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 576 states have (on average 1.2621527777777777) internal successors, (727), 588 states have internal predecessors, (727), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-12 17:31:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 873 transitions. [2024-11-12 17:31:29,707 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 873 transitions. Word has length 113 [2024-11-12 17:31:29,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:29,707 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 873 transitions. [2024-11-12 17:31:29,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:31:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 873 transitions. [2024-11-12 17:31:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-12 17:31:29,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:29,708 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:29,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-12 17:31:29,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-12 17:31:29,909 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:29,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2086943268, now seen corresponding path program 2 times [2024-11-12 17:31:29,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:29,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507320845] [2024-11-12 17:31:29,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:29,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002966509] [2024-11-12 17:31:29,925 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:31:29,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:29,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:29,930 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:29,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:31:29,981 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:31:29,982 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:31:29,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:31:29,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-12 17:31:30,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:30,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507320845] [2024-11-12 17:31:30,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:31:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002966509] [2024-11-12 17:31:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002966509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:30,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:31:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:31:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668136206] [2024-11-12 17:31:30,489 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:30,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:31:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:30,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:31:30,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:31:30,491 INFO L87 Difference]: Start difference. First operand 671 states and 873 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:31:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:30,633 INFO L93 Difference]: Finished difference Result 713 states and 927 transitions. [2024-11-12 17:31:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:31:30,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2024-11-12 17:31:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:30,636 INFO L225 Difference]: With dead ends: 713 [2024-11-12 17:31:30,636 INFO L226 Difference]: Without dead ends: 712 [2024-11-12 17:31:30,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:31:30,638 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 45 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:30,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 218 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:31:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-12 17:31:30,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 699. [2024-11-12 17:31:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 600 states have (on average 1.2583333333333333) internal successors, (755), 612 states have internal predecessors, (755), 77 states have call successors, (77), 9 states have call predecessors, (77), 9 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-12 17:31:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 909 transitions. [2024-11-12 17:31:30,694 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 909 transitions. Word has length 114 [2024-11-12 17:31:30,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:30,694 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 909 transitions. [2024-11-12 17:31:30,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-12 17:31:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 909 transitions. [2024-11-12 17:31:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 17:31:30,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:30,695 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:30,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-12 17:31:30,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-12 17:31:30,896 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:30,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1201338624, now seen corresponding path program 1 times [2024-11-12 17:31:30,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:30,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125805138] [2024-11-12 17:31:30,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:30,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:31:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:31:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:31:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 17:31:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:31:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 17:31:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 17:31:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-12 17:31:31,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125805138] [2024-11-12 17:31:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125805138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131734361] [2024-11-12 17:31:31,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:31,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:31,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:31,062 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:31,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:31:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:31,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:31:31,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:31:31,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-12 17:31:31,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131734361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:31:31,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:31:31,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-12 17:31:31,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878347767] [2024-11-12 17:31:31,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:31,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 17:31:31,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:31,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 17:31:31,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:31:31,458 INFO L87 Difference]: Start difference. First operand 699 states and 909 transitions. Second operand has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-12 17:31:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:31,958 INFO L93 Difference]: Finished difference Result 838 states and 1064 transitions. [2024-11-12 17:31:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-12 17:31:31,959 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-11-12 17:31:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:31,961 INFO L225 Difference]: With dead ends: 838 [2024-11-12 17:31:31,961 INFO L226 Difference]: Without dead ends: 829 [2024-11-12 17:31:31,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2024-11-12 17:31:31,966 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 261 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:31,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 675 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:31:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-12 17:31:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 799. [2024-11-12 17:31:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 689 states have (on average 1.2380261248185775) internal successors, (853), 701 states have internal predecessors, (853), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-12 17:31:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1019 transitions. [2024-11-12 17:31:32,019 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1019 transitions. Word has length 137 [2024-11-12 17:31:32,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:32,019 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1019 transitions. [2024-11-12 17:31:32,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-12 17:31:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1019 transitions. [2024-11-12 17:31:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-12 17:31:32,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:32,024 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:32,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-12 17:31:32,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-12 17:31:32,224 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:32,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash -341824277, now seen corresponding path program 1 times [2024-11-12 17:31:32,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:32,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938311441] [2024-11-12 17:31:32,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:31:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:31:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:31:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 17:31:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:31:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-12 17:31:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:31:32,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:32,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938311441] [2024-11-12 17:31:32,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938311441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:32,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863430406] [2024-11-12 17:31:32,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:32,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:32,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:32,436 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:32,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:31:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:32,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:31:32,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:31:32,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:31:34,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863430406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:31:34,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:31:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-12 17:31:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367091641] [2024-11-12 17:31:34,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:34,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:31:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:31:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:31:34,274 INFO L87 Difference]: Start difference. First operand 799 states and 1019 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-12 17:31:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:35,377 INFO L93 Difference]: Finished difference Result 1113 states and 1427 transitions. [2024-11-12 17:31:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:31:35,377 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2024-11-12 17:31:35,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:35,380 INFO L225 Difference]: With dead ends: 1113 [2024-11-12 17:31:35,380 INFO L226 Difference]: Without dead ends: 1112 [2024-11-12 17:31:35,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 17:31:35,381 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 529 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:35,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 718 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:31:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-11-12 17:31:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 989. [2024-11-12 17:31:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 863 states have (on average 1.2352259559675551) internal successors, (1066), 875 states have internal predecessors, (1066), 99 states have call successors, (99), 14 states have call predecessors, (99), 14 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-12 17:31:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1264 transitions. [2024-11-12 17:31:35,449 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1264 transitions. Word has length 138 [2024-11-12 17:31:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1264 transitions. [2024-11-12 17:31:35,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-12 17:31:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1264 transitions. [2024-11-12 17:31:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 17:31:35,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:35,451 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:35,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-12 17:31:35,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-12 17:31:35,651 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:35,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1759452783, now seen corresponding path program 1 times [2024-11-12 17:31:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:35,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872127142] [2024-11-12 17:31:35,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:31:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:31:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 17:31:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 17:31:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:31:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 17:31:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:31:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 17:31:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 17:31:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:31:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 17:31:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:31:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-12 17:31:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:31:35,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:31:35,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872127142] [2024-11-12 17:31:35,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872127142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:31:35,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775043656] [2024-11-12 17:31:35,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:35,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:35,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:35,845 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:35,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:31:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:31:35,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:31:35,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:31:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-12 17:31:36,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:31:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-12 17:31:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775043656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:31:36,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:31:36,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 26 [2024-11-12 17:31:36,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517186468] [2024-11-12 17:31:36,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:31:36,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 17:31:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:31:36,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 17:31:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:31:36,235 INFO L87 Difference]: Start difference. First operand 989 states and 1264 transitions. Second operand has 26 states, 26 states have (on average 6.346153846153846) internal successors, (165), 26 states have internal predecessors, (165), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-12 17:31:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:31:36,730 INFO L93 Difference]: Finished difference Result 1323 states and 1681 transitions. [2024-11-12 17:31:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-12 17:31:36,731 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.346153846153846) internal successors, (165), 26 states have internal predecessors, (165), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) Word has length 139 [2024-11-12 17:31:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:31:36,734 INFO L225 Difference]: With dead ends: 1323 [2024-11-12 17:31:36,734 INFO L226 Difference]: Without dead ends: 1315 [2024-11-12 17:31:36,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=608, Invalid=2044, Unknown=0, NotChecked=0, Total=2652 [2024-11-12 17:31:36,735 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 240 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:31:36,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 898 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:31:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2024-11-12 17:31:36,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1280. [2024-11-12 17:31:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1129 states have (on average 1.2108060230292295) internal successors, (1367), 1141 states have internal predecessors, (1367), 119 states have call successors, (119), 19 states have call predecessors, (119), 19 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-12 17:31:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1605 transitions. [2024-11-12 17:31:36,820 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1605 transitions. Word has length 139 [2024-11-12 17:31:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:31:36,820 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1605 transitions. [2024-11-12 17:31:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.346153846153846) internal successors, (165), 26 states have internal predecessors, (165), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-12 17:31:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1605 transitions. [2024-11-12 17:31:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 17:31:36,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:31:36,821 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:31:36,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 17:31:37,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:37,022 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-12 17:31:37,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:31:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash -883441541, now seen corresponding path program 3 times [2024-11-12 17:31:37,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:31:37,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662279040] [2024-11-12 17:31:37,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:31:37,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:31:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:31:37,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928894324] [2024-11-12 17:31:37,039 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:31:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:31:37,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:31:37,041 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:31:37,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:31:37,083 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:31:37,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:31:37,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:31:37,086 INFO L279 TraceCheckSpWp]: Computing forward predicates...