./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-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/ps3-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 eebd89172d2922b25518196d7199bdc2b40bcf663d7c245ca245657f0105901c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:39:35,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:39:35,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:39:35,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:39:35,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:39:35,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:39:35,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:39:35,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:39:35,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:39:35,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:39:35,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:39:35,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:39:35,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:39:35,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:39:35,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:39:35,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:39:35,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:39:35,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:39:35,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:39:35,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:39:35,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:39:35,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:39:35,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:39:35,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:39:35,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:39:35,584 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:39:35,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:39:35,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:39:35,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:39:35,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:39:35,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:39:35,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:39:35,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:39:35,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:39:35,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:39:35,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:39:35,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:39:35,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:39:35,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:39:35,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:39:35,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:39:35,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:39:35,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:39:35,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:39:35,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eebd89172d2922b25518196d7199bdc2b40bcf663d7c245ca245657f0105901c [2024-11-12 17:39:35,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:39:35,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:39:35,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:39:35,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:39:35,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:39:35,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c [2024-11-12 17:39:37,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:39:37,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:39:37,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c [2024-11-12 17:39:37,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/601f01d8e/87ae175250e64b4ab8f0a69c057109d2/FLAG7416165a2 [2024-11-12 17:39:37,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/601f01d8e/87ae175250e64b4ab8f0a69c057109d2 [2024-11-12 17:39:37,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:39:37,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:39:37,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:39:37,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:39:37,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:39:37,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149a5313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37, skipping insertion in model container [2024-11-12 17:39:37,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:39:37,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:39:37,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:39:37,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:39:37,835 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:39:37,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37 WrapperNode [2024-11-12 17:39:37,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:39:37,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:39:37,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:39:37,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:39:37,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,862 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-12 17:39:37,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:39:37,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:39:37,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:39:37,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:39:37,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,886 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 17:39:37,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:39:37,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:39:37,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:39:37,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:39:37,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (1/1) ... [2024-11-12 17:39:37,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:39:37,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:37,927 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 17:39:37,936 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 17:39:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:39:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:39:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:39:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:39:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:39:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:39:38,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:39:38,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:39:38,299 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-12 17:39:38,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:39:38,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:39:38,315 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:39:38,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:39:38 BoogieIcfgContainer [2024-11-12 17:39:38,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:39:38,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:39:38,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:39:38,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:39:38,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:39:37" (1/3) ... [2024-11-12 17:39:38,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc22c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:39:38, skipping insertion in model container [2024-11-12 17:39:38,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:39:37" (2/3) ... [2024-11-12 17:39:38,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc22c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:39:38, skipping insertion in model container [2024-11-12 17:39:38,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:39:38" (3/3) ... [2024-11-12 17:39:38,326 INFO L112 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound50.c [2024-11-12 17:39:38,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:39:38,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-11-12 17:39:38,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:39:38,406 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;@2fe079e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:39:38,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-12 17:39:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-12 17:39:38,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:38,414 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-12 17:39:38,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:38,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:38,419 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-12 17:39:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:38,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013732455] [2024-11-12 17:39:38,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:38,607 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 17:39:38,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:38,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013732455] [2024-11-12 17:39:38,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013732455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:38,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:38,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062788733] [2024-11-12 17:39:38,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:38,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:38,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:38,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:38,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:38,633 INFO L87 Difference]: Start difference. First operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:38,688 INFO L93 Difference]: Finished difference Result 209 states and 225 transitions. [2024-11-12 17:39:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:38,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-12 17:39:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:38,696 INFO L225 Difference]: With dead ends: 209 [2024-11-12 17:39:38,696 INFO L226 Difference]: Without dead ends: 96 [2024-11-12 17:39:38,698 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 17:39:38,701 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 103 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:38,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 194 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:38,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-12 17:39:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-12 17:39:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 93 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:38,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2024-11-12 17:39:38,731 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 4 [2024-11-12 17:39:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:38,731 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2024-11-12 17:39:38,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2024-11-12 17:39:38,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-12 17:39:38,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:38,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-12 17:39:38,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:39:38,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:38,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-12 17:39:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926778577] [2024-11-12 17:39:38,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:38,767 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 17:39:38,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:38,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926778577] [2024-11-12 17:39:38,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926778577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:38,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:38,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:38,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369850240] [2024-11-12 17:39:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:38,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:38,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:38,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:38,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:38,770 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:38,797 INFO L93 Difference]: Finished difference Result 135 states and 136 transitions. [2024-11-12 17:39:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-12 17:39:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:38,798 INFO L225 Difference]: With dead ends: 135 [2024-11-12 17:39:38,798 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 17:39:38,799 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 17:39:38,800 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 275 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 17:39:38,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 17:39:38,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 17:39:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.706896551724138) internal successors, (99), 97 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2024-11-12 17:39:38,810 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 5 [2024-11-12 17:39:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:38,811 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2024-11-12 17:39:38,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2024-11-12 17:39:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:39:38,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:38,812 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:38,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:39:38,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:38,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:38,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-12 17:39:38,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:38,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011937216] [2024-11-12 17:39:38,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:38,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:38,853 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 17:39:38,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:38,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011937216] [2024-11-12 17:39:38,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011937216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:38,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:38,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131097538] [2024-11-12 17:39:38,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:38,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:39:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:39:38,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:38,856 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:38,954 INFO L93 Difference]: Finished difference Result 172 states and 187 transitions. [2024-11-12 17:39:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:38,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 17:39:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:38,956 INFO L225 Difference]: With dead ends: 172 [2024-11-12 17:39:38,957 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 17:39:38,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:38,959 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:38,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 128 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:38,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 17:39:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 129. [2024-11-12 17:39:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.7093023255813953) internal successors, (147), 125 states have internal predecessors, (147), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2024-11-12 17:39:38,971 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 7 [2024-11-12 17:39:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2024-11-12 17:39:38,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2024-11-12 17:39:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 17:39:38,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:38,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:38,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:39:38,972 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:38,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:38,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1180014025, now seen corresponding path program 1 times [2024-11-12 17:39:38,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:38,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144567130] [2024-11-12 17:39:38,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:39,021 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 17:39:39,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:39,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144567130] [2024-11-12 17:39:39,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144567130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:39,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:39,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:39,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002261007] [2024-11-12 17:39:39,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:39,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:39:39,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:39,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:39:39,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:39,024 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 17:39:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:39,161 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2024-11-12 17:39:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:39,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-12 17:39:39,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:39,162 INFO L225 Difference]: With dead ends: 165 [2024-11-12 17:39:39,162 INFO L226 Difference]: Without dead ends: 147 [2024-11-12 17:39:39,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:39,164 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:39,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 78 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:39,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-12 17:39:39,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2024-11-12 17:39:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 137 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 155 transitions. [2024-11-12 17:39:39,171 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 155 transitions. Word has length 9 [2024-11-12 17:39:39,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:39,172 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 155 transitions. [2024-11-12 17:39:39,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 17:39:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2024-11-12 17:39:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:39:39,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:39,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:39,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:39:39,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:39,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1529640783, now seen corresponding path program 1 times [2024-11-12 17:39:39,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:39,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887103778] [2024-11-12 17:39:39,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:39,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:39,243 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 17:39:39,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887103778] [2024-11-12 17:39:39,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887103778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:39,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:39,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:39:39,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880954553] [2024-11-12 17:39:39,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:39,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:39,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:39,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:39,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:39,245 INFO L87 Difference]: Start difference. First operand 141 states and 155 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:39,411 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2024-11-12 17:39:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:39,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-12 17:39:39,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:39,412 INFO L225 Difference]: With dead ends: 155 [2024-11-12 17:39:39,412 INFO L226 Difference]: Without dead ends: 149 [2024-11-12 17:39:39,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:39,413 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:39,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 130 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:39:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-12 17:39:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 144. [2024-11-12 17:39:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 101 states have (on average 1.495049504950495) internal successors, (151), 140 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2024-11-12 17:39:39,420 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 15 [2024-11-12 17:39:39,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:39,420 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2024-11-12 17:39:39,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2024-11-12 17:39:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 17:39:39,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:39,421 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:39,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:39:39,421 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:39,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash 174224083, now seen corresponding path program 1 times [2024-11-12 17:39:39,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:39,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722292845] [2024-11-12 17:39:39,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:39,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932525883] [2024-11-12 17:39:39,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:39,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:39,434 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 17:39:39,436 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 17:39:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:39,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:39,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:39,542 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 17:39:39,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:39,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:39,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722292845] [2024-11-12 17:39:39,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:39,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932525883] [2024-11-12 17:39:39,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932525883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:39,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:39,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:39,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693943133] [2024-11-12 17:39:39,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:39,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:39:39,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:39,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:39:39,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:39,545 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:39,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:39,657 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2024-11-12 17:39:39,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:39,658 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-12 17:39:39,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:39,659 INFO L225 Difference]: With dead ends: 153 [2024-11-12 17:39:39,659 INFO L226 Difference]: Without dead ends: 129 [2024-11-12 17:39:39,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 17:39:39,660 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:39,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 78 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:39,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-12 17:39:39,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-12 17:39:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 123 states have internal predecessors, (128), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2024-11-12 17:39:39,672 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 16 [2024-11-12 17:39:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:39,672 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2024-11-12 17:39:39,672 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), 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 17:39:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2024-11-12 17:39:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:39:39,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:39,673 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:39,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 17:39:39,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 17:39:39,878 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:39,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:39,878 INFO L85 PathProgramCache]: Analyzing trace with hash -27671981, now seen corresponding path program 1 times [2024-11-12 17:39:39,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338831567] [2024-11-12 17:39:39,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:39,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:39,954 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 17:39:39,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:39,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338831567] [2024-11-12 17:39:39,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338831567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:39,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:39,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:39,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238933598] [2024-11-12 17:39:39,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:39,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:39:39,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:39,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:39:39,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:39,956 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:39,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:39,970 INFO L93 Difference]: Finished difference Result 129 states and 132 transitions. [2024-11-12 17:39:39,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:39,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-12 17:39:39,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:39,971 INFO L225 Difference]: With dead ends: 129 [2024-11-12 17:39:39,972 INFO L226 Difference]: Without dead ends: 127 [2024-11-12 17:39:39,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:39:39,973 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:39,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:39,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-12 17:39:39,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-12 17:39:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5) internal successors, (126), 123 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 130 transitions. [2024-11-12 17:39:39,985 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 130 transitions. Word has length 31 [2024-11-12 17:39:39,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:39,987 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 130 transitions. [2024-11-12 17:39:39,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2024-11-12 17:39:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:39:39,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:39,988 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:39,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:39:39,989 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:39,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:39,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1337042067, now seen corresponding path program 1 times [2024-11-12 17:39:39,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:39,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129927873] [2024-11-12 17:39:39,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:39,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:40,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877737071] [2024-11-12 17:39:40,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:40,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:40,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:40,009 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 17:39:40,010 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 17:39:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:39:40,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:40,111 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 17:39:40,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:40,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:40,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129927873] [2024-11-12 17:39:40,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:40,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877737071] [2024-11-12 17:39:40,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877737071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:40,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:40,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:39:40,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014272630] [2024-11-12 17:39:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:40,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:40,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:40,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:40,115 INFO L87 Difference]: Start difference. First operand 127 states and 130 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:40,253 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2024-11-12 17:39:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:40,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-12 17:39:40,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:40,254 INFO L225 Difference]: With dead ends: 200 [2024-11-12 17:39:40,254 INFO L226 Difference]: Without dead ends: 181 [2024-11-12 17:39:40,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:40,255 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 55 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:40,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 110 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-12 17:39:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-12 17:39:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4682539682539681) internal successors, (185), 165 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 191 transitions. [2024-11-12 17:39:40,261 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 191 transitions. Word has length 36 [2024-11-12 17:39:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:40,261 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 191 transitions. [2024-11-12 17:39:40,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 191 transitions. [2024-11-12 17:39:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-12 17:39:40,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:40,262 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:40,276 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 17:39:40,462 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,SelfDestructingSolverStorable7 [2024-11-12 17:39:40,463 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:40,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash -702201617, now seen corresponding path program 1 times [2024-11-12 17:39:40,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:40,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768035634] [2024-11-12 17:39:40,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,560 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 17:39:40,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:40,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768035634] [2024-11-12 17:39:40,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768035634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:40,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:40,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:39:40,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335203499] [2024-11-12 17:39:40,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:40,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:40,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:40,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:40,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:40,562 INFO L87 Difference]: Start difference. First operand 170 states and 191 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:40,676 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2024-11-12 17:39:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-12 17:39:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:40,680 INFO L225 Difference]: With dead ends: 171 [2024-11-12 17:39:40,680 INFO L226 Difference]: Without dead ends: 170 [2024-11-12 17:39:40,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 17:39:40,680 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:40,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 154 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:40,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-12 17:39:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-12 17:39:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4603174603174602) internal successors, (184), 165 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 190 transitions. [2024-11-12 17:39:40,685 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 190 transitions. Word has length 38 [2024-11-12 17:39:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:40,686 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 190 transitions. [2024-11-12 17:39:40,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 190 transitions. [2024-11-12 17:39:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 17:39:40,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:40,687 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:40,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:39:40,687 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:40,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:40,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1497363576, now seen corresponding path program 1 times [2024-11-12 17:39:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:40,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335481896] [2024-11-12 17:39:40,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:40,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335481896] [2024-11-12 17:39:40,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335481896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:40,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285903654] [2024-11-12 17:39:40,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:40,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:40,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:40,776 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 17:39:40,777 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 17:39:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:40,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:40,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:40,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:40,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285903654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:40,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:39:40,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-12 17:39:40,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172969017] [2024-11-12 17:39:40,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:40,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:39:40,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:40,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:39:40,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:39:40,878 INFO L87 Difference]: Start difference. First operand 170 states and 190 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:40,905 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2024-11-12 17:39:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:40,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-12 17:39:40,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:40,907 INFO L225 Difference]: With dead ends: 218 [2024-11-12 17:39:40,907 INFO L226 Difference]: Without dead ends: 217 [2024-11-12 17:39:40,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:39:40,908 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 62 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:40,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 400 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:40,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-12 17:39:40,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2024-11-12 17:39:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 126 states have (on average 1.4444444444444444) internal successors, (182), 164 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 188 transitions. [2024-11-12 17:39:40,913 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 188 transitions. Word has length 41 [2024-11-12 17:39:40,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:40,913 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 188 transitions. [2024-11-12 17:39:40,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:40,914 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2024-11-12 17:39:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:39:40,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:40,917 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:40,929 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 17:39:41,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:41,118 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:41,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:41,119 INFO L85 PathProgramCache]: Analyzing trace with hash 152353850, now seen corresponding path program 1 times [2024-11-12 17:39:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049751921] [2024-11-12 17:39:41,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460721825] [2024-11-12 17:39:41,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:41,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:41,131 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 17:39:41,132 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 17:39:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:41,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:39:41,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:39:41,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:41,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:41,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049751921] [2024-11-12 17:39:41,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:41,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460721825] [2024-11-12 17:39:41,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460721825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:41,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:41,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:39:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169000314] [2024-11-12 17:39:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:41,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:39:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:39:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:39:41,235 INFO L87 Difference]: Start difference. First operand 169 states and 188 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:41,282 INFO L93 Difference]: Finished difference Result 169 states and 188 transitions. [2024-11-12 17:39:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:41,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-12 17:39:41,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:41,284 INFO L225 Difference]: With dead ends: 169 [2024-11-12 17:39:41,284 INFO L226 Difference]: Without dead ends: 166 [2024-11-12 17:39:41,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 1 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 17:39:41,285 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 40 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:41,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 66 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:41,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-12 17:39:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-12 17:39:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 161 states have internal predecessors, (177), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2024-11-12 17:39:41,291 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 43 [2024-11-12 17:39:41,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:41,291 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2024-11-12 17:39:41,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2024-11-12 17:39:41,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:39:41,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:41,292 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:41,303 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 17:39:41,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:41,492 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:41,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:41,493 INFO L85 PathProgramCache]: Analyzing trace with hash 428002104, now seen corresponding path program 1 times [2024-11-12 17:39:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:41,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689476769] [2024-11-12 17:39:41,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:41,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966377217] [2024-11-12 17:39:41,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:41,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:41,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:41,511 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 17:39:41,512 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 17:39:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:41,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:39:41,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:41,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:41,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:41,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689476769] [2024-11-12 17:39:41,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:41,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966377217] [2024-11-12 17:39:41,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966377217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:41,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:39:41,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:39:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629186058] [2024-11-12 17:39:41,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:41,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:39:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:39:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:39:41,750 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:42,044 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-11-12 17:39:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:39:42,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-12 17:39:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:42,045 INFO L225 Difference]: With dead ends: 188 [2024-11-12 17:39:42,045 INFO L226 Difference]: Without dead ends: 184 [2024-11-12 17:39:42,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:39:42,045 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 179 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:42,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 162 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:39:42,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-12 17:39:42,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-11-12 17:39:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 173 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 194 transitions. [2024-11-12 17:39:42,051 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 194 transitions. Word has length 44 [2024-11-12 17:39:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:42,052 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 194 transitions. [2024-11-12 17:39:42,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 194 transitions. [2024-11-12 17:39:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-12 17:39:42,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:42,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:42,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:39:42,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-12 17:39:42,254 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:42,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash -164705470, now seen corresponding path program 1 times [2024-11-12 17:39:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:42,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733595665] [2024-11-12 17:39:42,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960789916] [2024-11-12 17:39:42,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:42,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:42,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:42,268 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 17:39:42,272 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 17:39:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:42,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:42,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:42,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:42,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:42,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733595665] [2024-11-12 17:39:42,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:42,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960789916] [2024-11-12 17:39:42,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960789916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:42,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:42,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:39:42,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310869627] [2024-11-12 17:39:42,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:42,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:39:42,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:42,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:39:42,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:39:42,376 INFO L87 Difference]: Start difference. First operand 178 states and 194 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:42,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:42,496 INFO L93 Difference]: Finished difference Result 196 states and 215 transitions. [2024-11-12 17:39:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:42,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2024-11-12 17:39:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:42,497 INFO L225 Difference]: With dead ends: 196 [2024-11-12 17:39:42,497 INFO L226 Difference]: Without dead ends: 185 [2024-11-12 17:39:42,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 17:39:42,498 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 95 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:42,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 36 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:42,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-12 17:39:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-12 17:39:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 146 states have (on average 1.273972602739726) internal successors, (186), 172 states have internal predecessors, (186), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 192 transitions. [2024-11-12 17:39:42,505 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 192 transitions. Word has length 51 [2024-11-12 17:39:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:42,505 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 192 transitions. [2024-11-12 17:39:42,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:39:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 192 transitions. [2024-11-12 17:39:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-12 17:39:42,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:42,506 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:42,519 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 17:39:42,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:42,707 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:42,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -810902208, now seen corresponding path program 1 times [2024-11-12 17:39:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:42,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778566862] [2024-11-12 17:39:42,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:42,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732459574] [2024-11-12 17:39:42,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:42,720 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 17:39:42,721 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 17:39:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:42,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:39:42,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:42,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:42,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:42,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778566862] [2024-11-12 17:39:42,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:42,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732459574] [2024-11-12 17:39:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732459574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:42,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:39:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:39:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778009430] [2024-11-12 17:39:42,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:42,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:39:42,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:39:42,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:39:42,981 INFO L87 Difference]: Start difference. First operand 177 states and 192 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:43,262 INFO L93 Difference]: Finished difference Result 201 states and 225 transitions. [2024-11-12 17:39:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:39:43,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-12 17:39:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:43,264 INFO L225 Difference]: With dead ends: 201 [2024-11-12 17:39:43,264 INFO L226 Difference]: Without dead ends: 173 [2024-11-12 17:39:43,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:39:43,264 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 129 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:43,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 112 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:39:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-12 17:39:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2024-11-12 17:39:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 144 states have (on average 1.2777777777777777) internal successors, (184), 166 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 190 transitions. [2024-11-12 17:39:43,270 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 190 transitions. Word has length 52 [2024-11-12 17:39:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:43,270 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 190 transitions. [2024-11-12 17:39:43,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2024-11-12 17:39:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-12 17:39:43,271 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:43,271 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:43,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:39:43,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:43,475 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -107753402, now seen corresponding path program 1 times [2024-11-12 17:39:43,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:43,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4767128] [2024-11-12 17:39:43,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:43,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:39:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,529 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:43,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4767128] [2024-11-12 17:39:43,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4767128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239009610] [2024-11-12 17:39:43,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:43,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:43,536 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 17:39:43,537 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 17:39:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:39:43,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:43,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239009610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:39:43,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:39:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841083565] [2024-11-12 17:39:43,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:43,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:43,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:43,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:43,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:39:43,634 INFO L87 Difference]: Start difference. First operand 171 states and 190 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:43,658 INFO L93 Difference]: Finished difference Result 182 states and 197 transitions. [2024-11-12 17:39:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:43,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-12 17:39:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:43,659 INFO L225 Difference]: With dead ends: 182 [2024-11-12 17:39:43,659 INFO L226 Difference]: Without dead ends: 181 [2024-11-12 17:39:43,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 17:39:43,660 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:43,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 164 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:43,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-12 17:39:43,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-12 17:39:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 144 states have (on average 1.2638888888888888) internal successors, (182), 165 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:39:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 188 transitions. [2024-11-12 17:39:43,665 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 188 transitions. Word has length 67 [2024-11-12 17:39:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:43,665 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 188 transitions. [2024-11-12 17:39:43,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 188 transitions. [2024-11-12 17:39:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-12 17:39:43,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:43,666 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:43,678 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 17:39:43,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 17:39:43,870 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:43,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 954611926, now seen corresponding path program 1 times [2024-11-12 17:39:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:43,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608076137] [2024-11-12 17:39:43,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:39:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:43,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:43,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608076137] [2024-11-12 17:39:43,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608076137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:43,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432390268] [2024-11-12 17:39:43,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:43,924 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 17:39:43,925 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 17:39:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:43,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:39:43,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:44,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:44,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432390268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:44,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:39:44,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:39:44,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003479062] [2024-11-12 17:39:44,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:44,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:39:44,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:39:44,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:39:44,087 INFO L87 Difference]: Start difference. First operand 170 states and 188 transitions. Second operand has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 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 17:39:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:44,114 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2024-11-12 17:39:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:39:44,114 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 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) Word has length 68 [2024-11-12 17:39:44,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:44,115 INFO L225 Difference]: With dead ends: 270 [2024-11-12 17:39:44,115 INFO L226 Difference]: Without dead ends: 269 [2024-11-12 17:39:44,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:39:44,116 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:44,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 338 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-12 17:39:44,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 214. [2024-11-12 17:39:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 186 states have (on average 1.2903225806451613) internal successors, (240), 207 states have internal predecessors, (240), 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 17:39:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 250 transitions. [2024-11-12 17:39:44,121 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 250 transitions. Word has length 68 [2024-11-12 17:39:44,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:44,122 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 250 transitions. [2024-11-12 17:39:44,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 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 17:39:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 250 transitions. [2024-11-12 17:39:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-12 17:39:44,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:44,123 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:39:44,135 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 17:39:44,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:39:44,323 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:44,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:44,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1413203119, now seen corresponding path program 1 times [2024-11-12 17:39:44,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:44,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695559540] [2024-11-12 17:39:44,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:44,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:39:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-12 17:39:44,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:44,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695559540] [2024-11-12 17:39:44,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695559540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:44,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:44,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:39:44,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391369142] [2024-11-12 17:39:44,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:44,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:44,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:44,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:44,380 INFO L87 Difference]: Start difference. First operand 214 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:44,431 INFO L93 Difference]: Finished difference Result 214 states and 250 transitions. [2024-11-12 17:39:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:39:44,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-12 17:39:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:44,432 INFO L225 Difference]: With dead ends: 214 [2024-11-12 17:39:44,432 INFO L226 Difference]: Without dead ends: 209 [2024-11-12 17:39:44,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 17:39:44,433 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 64 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:44,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 28 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:44,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-12 17:39:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-12 17:39:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 186 states have (on average 1.2258064516129032) internal successors, (228), 202 states have internal predecessors, (228), 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 17:39:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2024-11-12 17:39:44,438 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 81 [2024-11-12 17:39:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:44,438 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2024-11-12 17:39:44,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2024-11-12 17:39:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-12 17:39:44,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:44,439 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:39:44,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 17:39:44,440 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:44,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:44,440 INFO L85 PathProgramCache]: Analyzing trace with hash 859623783, now seen corresponding path program 1 times [2024-11-12 17:39:44,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:44,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605688369] [2024-11-12 17:39:44,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:44,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:39:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-12 17:39:44,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:44,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605688369] [2024-11-12 17:39:44,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605688369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:44,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:44,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:39:44,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347020495] [2024-11-12 17:39:44,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:44,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:39:44,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:44,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:39:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:39:44,489 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:44,539 INFO L93 Difference]: Finished difference Result 209 states and 238 transitions. [2024-11-12 17:39:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:39:44,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-12 17:39:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:44,542 INFO L225 Difference]: With dead ends: 209 [2024-11-12 17:39:44,542 INFO L226 Difference]: Without dead ends: 207 [2024-11-12 17:39:44,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 17:39:44,542 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:44,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 28 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:39:44,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-12 17:39:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-12 17:39:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 200 states have internal predecessors, (223), 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 17:39:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 233 transitions. [2024-11-12 17:39:44,548 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 233 transitions. Word has length 82 [2024-11-12 17:39:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 233 transitions. [2024-11-12 17:39:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 233 transitions. [2024-11-12 17:39:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-12 17:39:44,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:44,550 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-12 17:39:44,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 17:39:44,550 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:44,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:44,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1464736425, now seen corresponding path program 1 times [2024-11-12 17:39:44,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:44,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912514316] [2024-11-12 17:39:44,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:44,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 17:39:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 17:39:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 17:39:44,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:44,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912514316] [2024-11-12 17:39:44,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912514316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:44,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466106135] [2024-11-12 17:39:44,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:44,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:44,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:44,629 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 17:39:44,630 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 17:39:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:44,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:44,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 17:39:44,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:44,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466106135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:44,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:39:44,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-11-12 17:39:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708780289] [2024-11-12 17:39:44,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:44,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:39:44,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:44,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:39:44,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:39:44,820 INFO L87 Difference]: Start difference. First operand 207 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:44,893 INFO L93 Difference]: Finished difference Result 207 states and 233 transitions. [2024-11-12 17:39:44,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:44,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-12 17:39:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:44,895 INFO L225 Difference]: With dead ends: 207 [2024-11-12 17:39:44,895 INFO L226 Difference]: Without dead ends: 196 [2024-11-12 17:39:44,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:39:44,895 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 95 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:44,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 35 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-12 17:39:44,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-12 17:39:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 179 states have (on average 1.1396648044692737) internal successors, (204), 189 states have internal predecessors, (204), 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 17:39:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 214 transitions. [2024-11-12 17:39:44,901 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 214 transitions. Word has length 84 [2024-11-12 17:39:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:44,902 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 214 transitions. [2024-11-12 17:39:44,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 214 transitions. [2024-11-12 17:39:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 17:39:44,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:44,903 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-12 17:39:44,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:39:45,103 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 17:39:45,103 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:45,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1837811021, now seen corresponding path program 1 times [2024-11-12 17:39:45,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:45,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185225171] [2024-11-12 17:39:45,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488768037] [2024-11-12 17:39:45,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:45,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:45,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:45,128 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 17:39:45,129 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 17:39:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:45,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:45,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:45,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185225171] [2024-11-12 17:39:45,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488768037] [2024-11-12 17:39:45,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488768037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:45,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:39:45,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:39:45,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048902908] [2024-11-12 17:39:45,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:45,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:39:45,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:39:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:39:45,250 INFO L87 Difference]: Start difference. First operand 196 states and 214 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:45,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:45,326 INFO L93 Difference]: Finished difference Result 196 states and 214 transitions. [2024-11-12 17:39:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:45,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 85 [2024-11-12 17:39:45,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:45,328 INFO L225 Difference]: With dead ends: 196 [2024-11-12 17:39:45,328 INFO L226 Difference]: Without dead ends: 187 [2024-11-12 17:39:45,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 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 17:39:45,328 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 58 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:45,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 70 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-12 17:39:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-12 17:39:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 172 states have (on average 1.0988372093023255) internal successors, (189), 180 states have internal predecessors, (189), 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 17:39:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2024-11-12 17:39:45,334 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 85 [2024-11-12 17:39:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:45,334 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2024-11-12 17:39:45,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2024-11-12 17:39:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 17:39:45,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:45,335 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-12 17:39:45,347 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 17:39:45,535 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 17:39:45,536 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:45,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1137566741, now seen corresponding path program 1 times [2024-11-12 17:39:45,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:45,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727645153] [2024-11-12 17:39:45,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:45,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443781436] [2024-11-12 17:39:45,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:45,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:45,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:45,550 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 17:39:45,551 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 17:39:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:45,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:39:45,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:39:45,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:45,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727645153] [2024-11-12 17:39:45,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443781436] [2024-11-12 17:39:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443781436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:45,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:39:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:39:45,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417456210] [2024-11-12 17:39:45,738 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:39:45,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:45,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:39:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:39:45,739 INFO L87 Difference]: Start difference. First operand 187 states and 199 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:45,833 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2024-11-12 17:39:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:39:45,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 86 [2024-11-12 17:39:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:45,835 INFO L225 Difference]: With dead ends: 189 [2024-11-12 17:39:45,835 INFO L226 Difference]: Without dead ends: 179 [2024-11-12 17:39:45,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 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 17:39:45,835 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:45,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 80 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:39:45,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-12 17:39:45,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-12 17:39:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 164 states have (on average 1.0914634146341464) internal successors, (179), 172 states have internal predecessors, (179), 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 17:39:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 189 transitions. [2024-11-12 17:39:45,841 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 189 transitions. Word has length 86 [2024-11-12 17:39:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:45,841 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 189 transitions. [2024-11-12 17:39:45,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 189 transitions. [2024-11-12 17:39:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-12 17:39:45,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:45,843 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-12 17:39:45,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 17:39:46,043 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,SelfDestructingSolverStorable20 [2024-11-12 17:39:46,043 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:46,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:46,044 INFO L85 PathProgramCache]: Analyzing trace with hash 231214279, now seen corresponding path program 1 times [2024-11-12 17:39:46,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:46,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731089631] [2024-11-12 17:39:46,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:46,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:46,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787896828] [2024-11-12 17:39:46,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:46,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:46,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:46,065 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 17:39:46,066 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 17:39:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:46,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:39:46,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:39:46,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:39:46,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:46,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731089631] [2024-11-12 17:39:46,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:46,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787896828] [2024-11-12 17:39:46,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787896828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:46,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:39:46,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:39:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247711671] [2024-11-12 17:39:46,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:46,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:39:46,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:46,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:39:46,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:39:46,360 INFO L87 Difference]: Start difference. First operand 179 states and 189 transitions. Second operand has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:39:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:46,597 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2024-11-12 17:39:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:39:46,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 108 [2024-11-12 17:39:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:46,598 INFO L225 Difference]: With dead ends: 217 [2024-11-12 17:39:46,598 INFO L226 Difference]: Without dead ends: 214 [2024-11-12 17:39:46,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:39:46,599 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 190 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:46,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 246 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:39:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-12 17:39:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 186. [2024-11-12 17:39:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 172 states have (on average 1.0755813953488371) internal successors, (185), 179 states have internal predecessors, (185), 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 17:39:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 195 transitions. [2024-11-12 17:39:46,604 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 195 transitions. Word has length 108 [2024-11-12 17:39:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:46,604 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 195 transitions. [2024-11-12 17:39:46,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.88888888888889) internal successors, (188), 10 states have internal predecessors, (188), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:39:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 195 transitions. [2024-11-12 17:39:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-12 17:39:46,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:46,605 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-12 17:39:46,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:39:46,806 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,SelfDestructingSolverStorable21 [2024-11-12 17:39:46,806 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-12 17:39:46,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1141374007, now seen corresponding path program 1 times [2024-11-12 17:39:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:46,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627802600] [2024-11-12 17:39:46,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:46,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134568261] [2024-11-12 17:39:46,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:46,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:46,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:46,823 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 17:39:46,824 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 17:39:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:46,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 17:39:46,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 17:39:47,140 INFO L312 TraceCheckSpWp]: Computing backward predicates...