./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.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/cohendiv-ll_valuebound50.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 d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:13:04,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:13:04,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:13:04,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:13:04,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:13:04,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:13:04,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:13:04,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:13:04,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:13:04,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:13:04,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:13:04,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:13:04,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:13:04,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:13:04,781 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:13:04,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:13:04,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:13:04,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:13:04,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:13:04,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:13:04,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:13:04,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:13:04,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:13:04,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:13:04,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:13:04,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:13:04,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:13:04,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:13:04,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:13:04,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:13:04,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:13:04,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:13:04,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:13:04,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:13:04,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:13:04,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:13:04,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:13:04,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:13:04,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:13:04,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:13:04,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:13:04,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:13:04,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:13:04,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:13:04,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 [2024-11-12 17:13:05,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:13:05,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:13:05,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:13:05,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:13:05,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:13:05,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-12 17:13:06,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:13:06,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:13:06,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-12 17:13:06,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f56af52/4aad7899742f4ac2a69c440848302990/FLAG1a25e83c8 [2024-11-12 17:13:06,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f56af52/4aad7899742f4ac2a69c440848302990 [2024-11-12 17:13:06,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:13:06,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:13:06,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:13:06,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:13:06,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:13:06,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:13:06" (1/1) ... [2024-11-12 17:13:06,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e83eb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:06, skipping insertion in model container [2024-11-12 17:13:06,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:13:06" (1/1) ... [2024-11-12 17:13:06,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:13:07,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:13:07,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:13:07,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:13:07,166 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:13:07,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07 WrapperNode [2024-11-12 17:13:07,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:13:07,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:13:07,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:13:07,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:13:07,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,204 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-12 17:13:07,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:13:07,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:13:07,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:13:07,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:13:07,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,238 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 17:13:07,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:13:07,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:13:07,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:13:07,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:13:07,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (1/1) ... [2024-11-12 17:13:07,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:13:07,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:07,286 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 17:13:07,289 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 17:13:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:13:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:13:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:13:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:13:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:13:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:13:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:13:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:13:07,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:13:07,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:13:07,720 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-12 17:13:07,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:13:07,737 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:13:07,738 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 17:13:07,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:13:07 BoogieIcfgContainer [2024-11-12 17:13:07,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:13:07,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:13:07,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:13:07,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:13:07,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:13:06" (1/3) ... [2024-11-12 17:13:07,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b004390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:13:07, skipping insertion in model container [2024-11-12 17:13:07,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:07" (2/3) ... [2024-11-12 17:13:07,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b004390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:13:07, skipping insertion in model container [2024-11-12 17:13:07,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:13:07" (3/3) ... [2024-11-12 17:13:07,750 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound50.c [2024-11-12 17:13:07,768 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:13:07,768 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-12 17:13:07,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:13:07,843 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;@5897763b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:13:07,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-12 17:13:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:13:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 17:13:07,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:07,858 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:07,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:07,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1983182931, now seen corresponding path program 1 times [2024-11-12 17:13:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:07,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119268320] [2024-11-12 17:13:07,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:07,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:13:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:08,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119268320] [2024-11-12 17:13:08,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119268320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:08,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:08,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:13:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825170314] [2024-11-12 17:13:08,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:08,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:13:08,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:13:08,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:13:08,125 INFO L87 Difference]: Start difference. First operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:13:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:08,158 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2024-11-12 17:13:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:13:08,160 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-12 17:13:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:08,167 INFO L225 Difference]: With dead ends: 180 [2024-11-12 17:13:08,168 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 17:13:08,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:13:08,176 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:08,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:13:08,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 17:13:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-12 17:13:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:13:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-12 17:13:08,224 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 21 [2024-11-12 17:13:08,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:08,225 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-12 17:13:08,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:13:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-12 17:13:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 17:13:08,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:08,228 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:08,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:13:08,229 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:08,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:08,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1153157909, now seen corresponding path program 1 times [2024-11-12 17:13:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:08,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191966489] [2024-11-12 17:13:08,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:08,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:08,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869705642] [2024-11-12 17:13:08,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:08,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:08,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:08,285 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 17:13:08,287 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 17:13:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:13:08,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:13:08,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:08,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:08,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191966489] [2024-11-12 17:13:08,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869705642] [2024-11-12 17:13:08,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869705642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:08,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:08,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:13:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396566464] [2024-11-12 17:13:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:08,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:13:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:08,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:13:08,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:13:08,407 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:13:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:08,529 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions. [2024-11-12 17:13:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:13:08,530 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2024-11-12 17:13:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:08,531 INFO L225 Difference]: With dead ends: 109 [2024-11-12 17:13:08,531 INFO L226 Difference]: Without dead ends: 107 [2024-11-12 17:13:08,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 17:13:08,533 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 18 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:08,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-12 17:13:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 88. [2024-11-12 17:13:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 76 states have internal predecessors, (78), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:13:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-12 17:13:08,546 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 21 [2024-11-12 17:13:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:08,546 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-12 17:13:08,546 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:13:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-12 17:13:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:13:08,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:08,548 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:08,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:13:08,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:08,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:08,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1796725672, now seen corresponding path program 1 times [2024-11-12 17:13:08,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:08,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371542303] [2024-11-12 17:13:08,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:08,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:08,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249126316] [2024-11-12 17:13:08,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:08,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:08,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:08,791 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 17:13:08,793 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 17:13:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:08,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:13:08,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:13:08,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:08,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:08,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371542303] [2024-11-12 17:13:08,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:08,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249126316] [2024-11-12 17:13:08,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249126316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:08,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:08,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:13:08,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774802506] [2024-11-12 17:13:08,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:08,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:13:08,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:08,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:13:08,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:13:08,885 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:09,022 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2024-11-12 17:13:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:13:09,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-12 17:13:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:09,025 INFO L225 Difference]: With dead ends: 145 [2024-11-12 17:13:09,025 INFO L226 Difference]: Without dead ends: 139 [2024-11-12 17:13:09,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 17:13:09,026 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:09,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 136 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-12 17:13:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2024-11-12 17:13:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.6805555555555556) internal successors, (121), 101 states have internal predecessors, (121), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:13:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 151 transitions. [2024-11-12 17:13:09,043 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 151 transitions. Word has length 28 [2024-11-12 17:13:09,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:09,044 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 151 transitions. [2024-11-12 17:13:09,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2024-11-12 17:13:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-12 17:13:09,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:09,045 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:09,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:13:09,245 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,SelfDestructingSolverStorable2 [2024-11-12 17:13:09,246 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:09,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:09,247 INFO L85 PathProgramCache]: Analyzing trace with hash -76516038, now seen corresponding path program 1 times [2024-11-12 17:13:09,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:09,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421820805] [2024-11-12 17:13:09,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:09,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 17:13:09,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:09,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421820805] [2024-11-12 17:13:09,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421820805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526265088] [2024-11-12 17:13:09,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:09,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:09,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:09,601 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 17:13:09,602 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 17:13:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:09,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:13:09,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:13:09,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526265088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:09,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:09,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-12 17:13:09,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781970775] [2024-11-12 17:13:09,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:09,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:09,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:09,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:09,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:13:09,775 INFO L87 Difference]: Start difference. First operand 119 states and 151 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:09,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:09,970 INFO L93 Difference]: Finished difference Result 138 states and 158 transitions. [2024-11-12 17:13:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:09,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2024-11-12 17:13:09,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:09,973 INFO L225 Difference]: With dead ends: 138 [2024-11-12 17:13:09,975 INFO L226 Difference]: Without dead ends: 135 [2024-11-12 17:13:09,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:13:09,976 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 155 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:09,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-12 17:13:09,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 120. [2024-11-12 17:13:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.643835616438356) internal successors, (120), 102 states have internal predecessors, (120), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:13:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-12 17:13:10,000 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 30 [2024-11-12 17:13:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:10,001 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-12 17:13:10,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-12 17:13:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:13:10,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:10,005 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:10,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:10,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:10,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:10,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:10,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1922970177, now seen corresponding path program 1 times [2024-11-12 17:13:10,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:10,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764194361] [2024-11-12 17:13:10,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:10,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845896400] [2024-11-12 17:13:10,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:10,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:10,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:10,238 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 17:13:10,243 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 17:13:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:10,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:13:10,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:13:10,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:10,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:10,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764194361] [2024-11-12 17:13:10,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:10,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845896400] [2024-11-12 17:13:10,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845896400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:10,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:10,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:10,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824181285] [2024-11-12 17:13:10,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:10,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:10,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:10,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:10,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:10,358 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:10,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:10,551 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2024-11-12 17:13:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:10,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-12 17:13:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:10,553 INFO L225 Difference]: With dead ends: 138 [2024-11-12 17:13:10,553 INFO L226 Difference]: Without dead ends: 131 [2024-11-12 17:13:10,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 17:13:10,555 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 151 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:10,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:10,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-12 17:13:10,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 117. [2024-11-12 17:13:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.6285714285714286) internal successors, (114), 99 states have internal predecessors, (114), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-12 17:13:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2024-11-12 17:13:10,567 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 144 transitions. Word has length 31 [2024-11-12 17:13:10,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:10,567 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 144 transitions. [2024-11-12 17:13:10,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:13:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2024-11-12 17:13:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:13:10,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:10,569 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:10,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:10,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:10,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:10,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:10,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1457275482, now seen corresponding path program 1 times [2024-11-12 17:13:10,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:10,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419990640] [2024-11-12 17:13:10,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:10,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:10,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [761449905] [2024-11-12 17:13:10,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:10,802 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 17:13:10,804 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 17:13:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:10,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:10,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 17:13:10,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:10,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419990640] [2024-11-12 17:13:10,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761449905] [2024-11-12 17:13:10,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761449905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:10,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:10,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:10,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384496795] [2024-11-12 17:13:10,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:10,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:10,897 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:13:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:11,139 INFO L93 Difference]: Finished difference Result 184 states and 252 transitions. [2024-11-12 17:13:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:11,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-12 17:13:11,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:11,143 INFO L225 Difference]: With dead ends: 184 [2024-11-12 17:13:11,143 INFO L226 Difference]: Without dead ends: 179 [2024-11-12 17:13:11,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 17:13:11,145 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:11,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 105 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-12 17:13:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2024-11-12 17:13:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.6111111111111112) internal successors, (174), 137 states have internal predecessors, (174), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2024-11-12 17:13:11,193 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 39 [2024-11-12 17:13:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:11,194 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2024-11-12 17:13:11,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:13:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2024-11-12 17:13:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:13:11,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:11,197 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:11,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:13:11,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:11,398 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:11,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2069100392, now seen corresponding path program 1 times [2024-11-12 17:13:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993328660] [2024-11-12 17:13:11,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:11,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042950825] [2024-11-12 17:13:11,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:11,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:11,420 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 17:13:11,423 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 17:13:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:11,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:11,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 17:13:11,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:11,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:11,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993328660] [2024-11-12 17:13:11,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:11,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042950825] [2024-11-12 17:13:11,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042950825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:11,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:11,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:11,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065789892] [2024-11-12 17:13:11,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:11,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:11,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:11,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:11,530 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:13:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:11,693 INFO L93 Difference]: Finished difference Result 182 states and 243 transitions. [2024-11-12 17:13:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:11,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-12 17:13:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:11,695 INFO L225 Difference]: With dead ends: 182 [2024-11-12 17:13:11,695 INFO L226 Difference]: Without dead ends: 179 [2024-11-12 17:13:11,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 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 17:13:11,696 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 99 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:11,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 86 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-12 17:13:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2024-11-12 17:13:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 138 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 217 transitions. [2024-11-12 17:13:11,719 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 217 transitions. Word has length 40 [2024-11-12 17:13:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 217 transitions. [2024-11-12 17:13:11,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:13:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 217 transitions. [2024-11-12 17:13:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:13:11,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:11,722 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:11,740 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 17:13:11,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:11,923 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:11,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1433210023, now seen corresponding path program 1 times [2024-11-12 17:13:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567614953] [2024-11-12 17:13:11,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:13:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567614953] [2024-11-12 17:13:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567614953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:12,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:12,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826667259] [2024-11-12 17:13:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:12,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:12,092 INFO L87 Difference]: Start difference. First operand 164 states and 217 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:12,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:12,555 INFO L93 Difference]: Finished difference Result 197 states and 246 transitions. [2024-11-12 17:13:12,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:13:12,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 60 [2024-11-12 17:13:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:12,558 INFO L225 Difference]: With dead ends: 197 [2024-11-12 17:13:12,558 INFO L226 Difference]: Without dead ends: 195 [2024-11-12 17:13:12,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:13:12,559 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 114 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:12,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 93 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:13:12,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-12 17:13:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 166. [2024-11-12 17:13:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 111 states have (on average 1.5405405405405406) internal successors, (171), 140 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 217 transitions. [2024-11-12 17:13:12,573 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 217 transitions. Word has length 60 [2024-11-12 17:13:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 217 transitions. [2024-11-12 17:13:12,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 217 transitions. [2024-11-12 17:13:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-12 17:13:12,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:12,577 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:12,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:13:12,577 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:12,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:12,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1479837660, now seen corresponding path program 1 times [2024-11-12 17:13:12,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:12,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928427881] [2024-11-12 17:13:12,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:13:12,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:12,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928427881] [2024-11-12 17:13:12,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928427881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:12,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:12,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:12,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141459907] [2024-11-12 17:13:12,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:12,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:12,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:12,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:12,670 INFO L87 Difference]: Start difference. First operand 166 states and 217 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:12,849 INFO L93 Difference]: Finished difference Result 197 states and 242 transitions. [2024-11-12 17:13:12,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:13:12,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-11-12 17:13:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:12,852 INFO L225 Difference]: With dead ends: 197 [2024-11-12 17:13:12,852 INFO L226 Difference]: Without dead ends: 195 [2024-11-12 17:13:12,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:13:12,854 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 111 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:12,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 95 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-12 17:13:12,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 168. [2024-11-12 17:13:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5132743362831858) internal successors, (171), 142 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 217 transitions. [2024-11-12 17:13:12,879 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 217 transitions. Word has length 61 [2024-11-12 17:13:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:12,880 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 217 transitions. [2024-11-12 17:13:12,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 217 transitions. [2024-11-12 17:13:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:13:12,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:12,884 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:12,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:13:12,884 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:12,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash -489813188, now seen corresponding path program 1 times [2024-11-12 17:13:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642238717] [2024-11-12 17:13:12,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:13:12,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:12,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642238717] [2024-11-12 17:13:12,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642238717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:12,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:12,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:13:12,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652970175] [2024-11-12 17:13:12,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:12,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:13:12,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:12,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:13:12,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:13:12,996 INFO L87 Difference]: Start difference. First operand 168 states and 217 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:13:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:13,052 INFO L93 Difference]: Finished difference Result 173 states and 217 transitions. [2024-11-12 17:13:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:13:13,053 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2024-11-12 17:13:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:13,054 INFO L225 Difference]: With dead ends: 173 [2024-11-12 17:13:13,055 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:13:13,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:13:13,056 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:13,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 144 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:13:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:13:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2024-11-12 17:13:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5044247787610618) internal successors, (170), 142 states have internal predecessors, (170), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 216 transitions. [2024-11-12 17:13:13,073 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 216 transitions. Word has length 63 [2024-11-12 17:13:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:13,074 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 216 transitions. [2024-11-12 17:13:13,074 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), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:13:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2024-11-12 17:13:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:13:13,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:13,076 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:13,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:13:13,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash -489813146, now seen corresponding path program 1 times [2024-11-12 17:13:13,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:13,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571111042] [2024-11-12 17:13:13,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:13,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-12 17:13:13,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571111042] [2024-11-12 17:13:13,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571111042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:13,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929309931] [2024-11-12 17:13:13,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:13,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:13,290 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 17:13:13,291 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 17:13:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:13:13,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-12 17:13:13,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-12 17:13:13,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929309931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:13:13,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:13:13,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-12 17:13:13,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348353911] [2024-11-12 17:13:13,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:13,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:13:13,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:13,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:13:13,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:13:13,595 INFO L87 Difference]: Start difference. First operand 168 states and 216 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:13:13,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:13,693 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2024-11-12 17:13:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:13:13,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 63 [2024-11-12 17:13:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:13,696 INFO L225 Difference]: With dead ends: 168 [2024-11-12 17:13:13,696 INFO L226 Difference]: Without dead ends: 166 [2024-11-12 17:13:13,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:13:13,697 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 54 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:13,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 107 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:13,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-12 17:13:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-12 17:13:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 140 states have internal predecessors, (162), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 208 transitions. [2024-11-12 17:13:13,708 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 208 transitions. Word has length 63 [2024-11-12 17:13:13,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:13,709 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 208 transitions. [2024-11-12 17:13:13,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-12 17:13:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2024-11-12 17:13:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-12 17:13:13,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:13,710 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:13,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:13,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:13,911 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:13,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:13,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1995660478, now seen corresponding path program 1 times [2024-11-12 17:13:13,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:13,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954852477] [2024-11-12 17:13:13,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:13,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:13:13,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:13,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954852477] [2024-11-12 17:13:13,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954852477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:13,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:13,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:13:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298804054] [2024-11-12 17:13:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:13,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:13:13,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:13:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:13:13,992 INFO L87 Difference]: Start difference. First operand 166 states and 208 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:13:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:14,068 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-12 17:13:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:13:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 64 [2024-11-12 17:13:14,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:14,070 INFO L225 Difference]: With dead ends: 166 [2024-11-12 17:13:14,070 INFO L226 Difference]: Without dead ends: 165 [2024-11-12 17:13:14,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:13:14,071 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 100 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:14,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 163 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-12 17:13:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-12 17:13:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 113 states have (on average 1.415929203539823) internal successors, (160), 139 states have internal predecessors, (160), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 206 transitions. [2024-11-12 17:13:14,083 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 206 transitions. Word has length 64 [2024-11-12 17:13:14,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:14,083 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 206 transitions. [2024-11-12 17:13:14,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-12 17:13:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 206 transitions. [2024-11-12 17:13:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 17:13:14,084 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:14,084 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:14,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 17:13:14,085 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:14,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:14,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1735932798, now seen corresponding path program 1 times [2024-11-12 17:13:14,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:14,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153239497] [2024-11-12 17:13:14,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:14,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 17:13:14,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153239497] [2024-11-12 17:13:14,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153239497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:14,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:14,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120423045] [2024-11-12 17:13:14,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:14,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:14,168 INFO L87 Difference]: Start difference. First operand 165 states and 206 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:14,428 INFO L93 Difference]: Finished difference Result 186 states and 219 transitions. [2024-11-12 17:13:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-12 17:13:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:14,430 INFO L225 Difference]: With dead ends: 186 [2024-11-12 17:13:14,430 INFO L226 Difference]: Without dead ends: 184 [2024-11-12 17:13:14,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 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 17:13:14,431 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 48 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:14,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 150 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-12 17:13:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2024-11-12 17:13:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 143 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 17:13:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 210 transitions. [2024-11-12 17:13:14,444 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 210 transitions. Word has length 65 [2024-11-12 17:13:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:14,444 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 210 transitions. [2024-11-12 17:13:14,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-12 17:13:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 210 transitions. [2024-11-12 17:13:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 17:13:14,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:14,446 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:14,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:13:14,446 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:14,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:14,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1205477451, now seen corresponding path program 1 times [2024-11-12 17:13:14,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:14,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648313441] [2024-11-12 17:13:14,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194503747] [2024-11-12 17:13:14,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:14,467 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 17:13:14,468 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 17:13:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:14,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:13:14,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 17:13:14,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:15,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648313441] [2024-11-12 17:13:15,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194503747] [2024-11-12 17:13:15,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194503747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:15,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:15,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:13:15,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944726728] [2024-11-12 17:13:15,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:15,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:13:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:13:15,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:13:15,075 INFO L87 Difference]: Start difference. First operand 169 states and 210 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:15,672 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2024-11-12 17:13:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:13:15,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2024-11-12 17:13:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:15,674 INFO L225 Difference]: With dead ends: 264 [2024-11-12 17:13:15,674 INFO L226 Difference]: Without dead ends: 256 [2024-11-12 17:13:15,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:13:15,675 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 290 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:15,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 343 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:13:15,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-12 17:13:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 235. [2024-11-12 17:13:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 199 states have internal predecessors, (243), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 17:13:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2024-11-12 17:13:15,715 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 75 [2024-11-12 17:13:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:15,715 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2024-11-12 17:13:15,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2024-11-12 17:13:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-12 17:13:15,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:15,716 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:15,733 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 17:13:15,916 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,SelfDestructingSolverStorable13 [2024-11-12 17:13:15,917 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:15,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1284904628, now seen corresponding path program 1 times [2024-11-12 17:13:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:15,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485556777] [2024-11-12 17:13:15,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:15,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928910326] [2024-11-12 17:13:15,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:15,933 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 17:13:15,934 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 17:13:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:15,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:13:15,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 17:13:16,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:17,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:17,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485556777] [2024-11-12 17:13:17,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:17,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928910326] [2024-11-12 17:13:17,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928910326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:17,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:17,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:13:17,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942624660] [2024-11-12 17:13:17,029 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:17,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:13:17,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:13:17,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:13:17,031 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:17,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:17,630 INFO L93 Difference]: Finished difference Result 322 states and 412 transitions. [2024-11-12 17:13:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:13:17,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 76 [2024-11-12 17:13:17,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:17,633 INFO L225 Difference]: With dead ends: 322 [2024-11-12 17:13:17,633 INFO L226 Difference]: Without dead ends: 319 [2024-11-12 17:13:17,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:13:17,634 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 254 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:17,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 331 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:13:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-12 17:13:17,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2024-11-12 17:13:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 219 states have (on average 1.3926940639269407) internal successors, (305), 245 states have internal predecessors, (305), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 17:13:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 391 transitions. [2024-11-12 17:13:17,654 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 391 transitions. Word has length 76 [2024-11-12 17:13:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:17,655 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 391 transitions. [2024-11-12 17:13:17,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 391 transitions. [2024-11-12 17:13:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-12 17:13:17,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:17,656 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:17,673 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 17:13:17,856 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,SelfDestructingSolverStorable14 [2024-11-12 17:13:17,857 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:17,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:17,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1177337747, now seen corresponding path program 1 times [2024-11-12 17:13:17,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:17,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688333681] [2024-11-12 17:13:17,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:17,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 17:13:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 17:13:17,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:17,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688333681] [2024-11-12 17:13:17,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688333681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:17,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:17,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:13:17,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787080060] [2024-11-12 17:13:17,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:17,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:13:17,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:17,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:13:17,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:13:17,969 INFO L87 Difference]: Start difference. First operand 291 states and 391 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:13:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:18,804 INFO L93 Difference]: Finished difference Result 422 states and 571 transitions. [2024-11-12 17:13:18,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:13:18,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-12 17:13:18,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:18,807 INFO L225 Difference]: With dead ends: 422 [2024-11-12 17:13:18,807 INFO L226 Difference]: Without dead ends: 419 [2024-11-12 17:13:18,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:13:18,808 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:18,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 208 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:13:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-12 17:13:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 297. [2024-11-12 17:13:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 225 states have (on average 1.36) internal successors, (306), 249 states have internal predecessors, (306), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:13:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 396 transitions. [2024-11-12 17:13:18,838 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 396 transitions. Word has length 77 [2024-11-12 17:13:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:18,838 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 396 transitions. [2024-11-12 17:13:18,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:13:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 396 transitions. [2024-11-12 17:13:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-12 17:13:18,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:18,839 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:18,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 17:13:18,839 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:18,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1121698510, now seen corresponding path program 1 times [2024-11-12 17:13:18,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:18,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250672678] [2024-11-12 17:13:18,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:18,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443505712] [2024-11-12 17:13:18,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:18,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:18,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:18,856 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 17:13:18,857 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 17:13:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:18,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:13:18,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 17:13:19,110 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:19,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250672678] [2024-11-12 17:13:19,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443505712] [2024-11-12 17:13:19,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443505712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:19,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:19,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-12 17:13:19,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854791413] [2024-11-12 17:13:19,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:19,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:13:19,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:13:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:13:19,168 INFO L87 Difference]: Start difference. First operand 297 states and 396 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:13:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:19,414 INFO L93 Difference]: Finished difference Result 308 states and 415 transitions. [2024-11-12 17:13:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:13:19,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-12 17:13:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:19,416 INFO L225 Difference]: With dead ends: 308 [2024-11-12 17:13:19,416 INFO L226 Difference]: Without dead ends: 304 [2024-11-12 17:13:19,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:13:19,416 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 65 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:19,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 239 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-12 17:13:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 293. [2024-11-12 17:13:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 225 states have (on average 1.3288888888888888) internal successors, (299), 245 states have internal predecessors, (299), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:13:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 389 transitions. [2024-11-12 17:13:19,438 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 389 transitions. Word has length 77 [2024-11-12 17:13:19,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:19,438 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 389 transitions. [2024-11-12 17:13:19,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-12 17:13:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2024-11-12 17:13:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 17:13:19,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:19,439 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:19,457 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 17:13:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:13:19,640 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:19,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2137731730, now seen corresponding path program 1 times [2024-11-12 17:13:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026440731] [2024-11-12 17:13:19,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:19,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644666641] [2024-11-12 17:13:19,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:19,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:19,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:19,660 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 17:13:19,661 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 17:13:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:19,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:13:19,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 17:13:20,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:22,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:22,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026440731] [2024-11-12 17:13:22,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:22,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644666641] [2024-11-12 17:13:22,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644666641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:22,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:22,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:13:22,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268762864] [2024-11-12 17:13:23,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:23,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:13:23,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:23,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:13:23,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:13:23,001 INFO L87 Difference]: Start difference. First operand 293 states and 389 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:23,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:23,663 INFO L93 Difference]: Finished difference Result 316 states and 399 transitions. [2024-11-12 17:13:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:13:23,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-12 17:13:23,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:23,666 INFO L225 Difference]: With dead ends: 316 [2024-11-12 17:13:23,666 INFO L226 Difference]: Without dead ends: 309 [2024-11-12 17:13:23,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:13:23,668 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 227 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:23,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 396 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:13:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-12 17:13:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 291. [2024-11-12 17:13:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 223 states have (on average 1.3139013452914798) internal successors, (293), 243 states have internal predecessors, (293), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 17:13:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 383 transitions. [2024-11-12 17:13:23,707 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 383 transitions. Word has length 78 [2024-11-12 17:13:23,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:23,708 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 383 transitions. [2024-11-12 17:13:23,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 383 transitions. [2024-11-12 17:13:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 17:13:23,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:23,710 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:23,727 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 17:13:23,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:13:23,915 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:23,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:23,915 INFO L85 PathProgramCache]: Analyzing trace with hash -412915364, now seen corresponding path program 1 times [2024-11-12 17:13:23,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:23,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584196691] [2024-11-12 17:13:23,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:23,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:23,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271917433] [2024-11-12 17:13:23,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:23,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:23,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:23,933 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 17:13:23,934 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 17:13:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:23,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:13:23,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 17:13:24,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:24,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584196691] [2024-11-12 17:13:24,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271917433] [2024-11-12 17:13:24,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271917433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:24,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:24,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 17:13:24,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603232520] [2024-11-12 17:13:24,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:24,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:13:24,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:24,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:13:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:13:24,635 INFO L87 Difference]: Start difference. First operand 291 states and 383 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:25,257 INFO L93 Difference]: Finished difference Result 586 states and 805 transitions. [2024-11-12 17:13:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:13:25,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-12 17:13:25,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:25,260 INFO L225 Difference]: With dead ends: 586 [2024-11-12 17:13:25,260 INFO L226 Difference]: Without dead ends: 582 [2024-11-12 17:13:25,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:13:25,261 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 394 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:25,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 337 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:13:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-12 17:13:25,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 465. [2024-11-12 17:13:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 367 states have (on average 1.3106267029972751) internal successors, (481), 387 states have internal predecessors, (481), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-12 17:13:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 631 transitions. [2024-11-12 17:13:25,298 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 631 transitions. Word has length 78 [2024-11-12 17:13:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:25,299 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 631 transitions. [2024-11-12 17:13:25,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-12 17:13:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 631 transitions. [2024-11-12 17:13:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-12 17:13:25,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:25,300 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:25,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:13:25,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:25,505 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:25,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash -11934899, now seen corresponding path program 1 times [2024-11-12 17:13:25,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:25,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329439738] [2024-11-12 17:13:25,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:25,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:25,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:25,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329439738] [2024-11-12 17:13:25,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329439738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:25,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643778962] [2024-11-12 17:13:25,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:25,610 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 17:13:25,611 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 17:13:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:25,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:25,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:25,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:25,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643778962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:13:25,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:13:25,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 17:13:25,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576023116] [2024-11-12 17:13:25,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:25,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:13:25,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:25,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:13:25,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:13:25,855 INFO L87 Difference]: Start difference. First operand 465 states and 631 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-12 17:13:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:26,712 INFO L93 Difference]: Finished difference Result 767 states and 1063 transitions. [2024-11-12 17:13:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:13:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 98 [2024-11-12 17:13:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:26,717 INFO L225 Difference]: With dead ends: 767 [2024-11-12 17:13:26,717 INFO L226 Difference]: Without dead ends: 765 [2024-11-12 17:13:26,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:13:26,719 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 258 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:26,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 279 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:13:26,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-12 17:13:26,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 644. [2024-11-12 17:13:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 511 states have (on average 1.3189823874755382) internal successors, (674), 530 states have internal predecessors, (674), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-12 17:13:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 896 transitions. [2024-11-12 17:13:26,780 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 896 transitions. Word has length 98 [2024-11-12 17:13:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:26,780 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 896 transitions. [2024-11-12 17:13:26,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-12 17:13:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 896 transitions. [2024-11-12 17:13:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-12 17:13:26,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:26,781 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:26,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:26,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-12 17:13:26,982 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:26,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:26,982 INFO L85 PathProgramCache]: Analyzing trace with hash -369981776, now seen corresponding path program 1 times [2024-11-12 17:13:26,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:26,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583144147] [2024-11-12 17:13:26,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:26,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583144147] [2024-11-12 17:13:27,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583144147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791715858] [2024-11-12 17:13:27,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:27,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:27,084 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 17:13:27,086 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 17:13:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:27,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:27,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:27,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:27,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791715858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:13:27,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:13:27,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-12 17:13:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349707900] [2024-11-12 17:13:27,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:27,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:13:27,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:27,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:13:27,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:13:27,333 INFO L87 Difference]: Start difference. First operand 644 states and 896 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-12 17:13:28,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:28,015 INFO L93 Difference]: Finished difference Result 777 states and 1049 transitions. [2024-11-12 17:13:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:13:28,015 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 99 [2024-11-12 17:13:28,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:28,019 INFO L225 Difference]: With dead ends: 777 [2024-11-12 17:13:28,020 INFO L226 Difference]: Without dead ends: 775 [2024-11-12 17:13:28,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:13:28,021 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 711 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:28,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 350 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:13:28,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-12 17:13:28,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 646. [2024-11-12 17:13:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 514 states have (on average 1.272373540856031) internal successors, (654), 532 states have internal predecessors, (654), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-12 17:13:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 876 transitions. [2024-11-12 17:13:28,081 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 876 transitions. Word has length 99 [2024-11-12 17:13:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:28,081 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 876 transitions. [2024-11-12 17:13:28,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-12 17:13:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 876 transitions. [2024-11-12 17:13:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 17:13:28,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:28,083 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:28,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:13:28,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:28,287 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:28,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:28,287 INFO L85 PathProgramCache]: Analyzing trace with hash 929801928, now seen corresponding path program 1 times [2024-11-12 17:13:28,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:28,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992769060] [2024-11-12 17:13:28,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:28,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:28,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992769060] [2024-11-12 17:13:28,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992769060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:28,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:28,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:13:28,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821804624] [2024-11-12 17:13:28,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:28,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:13:28,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:28,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:13:28,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:13:28,379 INFO L87 Difference]: Start difference. First operand 646 states and 876 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:13:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:28,504 INFO L93 Difference]: Finished difference Result 646 states and 876 transitions. [2024-11-12 17:13:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:13:28,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-11-12 17:13:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:28,508 INFO L225 Difference]: With dead ends: 646 [2024-11-12 17:13:28,509 INFO L226 Difference]: Without dead ends: 645 [2024-11-12 17:13:28,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 17:13:28,510 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:28,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 152 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:13:28,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-12 17:13:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2024-11-12 17:13:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 514 states have (on average 1.264591439688716) internal successors, (650), 531 states have internal predecessors, (650), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-12 17:13:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 872 transitions. [2024-11-12 17:13:28,567 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 872 transitions. Word has length 101 [2024-11-12 17:13:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:28,567 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 872 transitions. [2024-11-12 17:13:28,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 17:13:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 872 transitions. [2024-11-12 17:13:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-12 17:13:28,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:28,569 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:28,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 17:13:28,569 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:28,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash 186459146, now seen corresponding path program 1 times [2024-11-12 17:13:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:28,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220170911] [2024-11-12 17:13:28,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:28,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:28,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:28,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220170911] [2024-11-12 17:13:28,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220170911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:28,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288747140] [2024-11-12 17:13:28,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:28,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:28,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:28,695 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:28,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:13:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:28,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:28,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:28,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:13:28,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288747140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:28,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:28,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-12 17:13:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34977546] [2024-11-12 17:13:28,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:28,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:13:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:28,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:13:28,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:13:28,922 INFO L87 Difference]: Start difference. First operand 645 states and 872 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:13:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:29,206 INFO L93 Difference]: Finished difference Result 662 states and 903 transitions. [2024-11-12 17:13:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:13:29,207 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), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-11-12 17:13:29,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:29,210 INFO L225 Difference]: With dead ends: 662 [2024-11-12 17:13:29,210 INFO L226 Difference]: Without dead ends: 661 [2024-11-12 17:13:29,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:13:29,211 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 45 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:29,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 143 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:13:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-12 17:13:29,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 644. [2024-11-12 17:13:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 514 states have (on average 1.2568093385214008) internal successors, (646), 530 states have internal predecessors, (646), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-12 17:13:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 868 transitions. [2024-11-12 17:13:29,269 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 868 transitions. Word has length 103 [2024-11-12 17:13:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:29,270 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 868 transitions. [2024-11-12 17:13:29,270 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), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 17:13:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 868 transitions. [2024-11-12 17:13:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 17:13:29,271 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:29,271 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:29,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:13:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:29,471 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:29,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1485266356, now seen corresponding path program 1 times [2024-11-12 17:13:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:29,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171274562] [2024-11-12 17:13:29,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:29,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:29,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171274562] [2024-11-12 17:13:29,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171274562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:29,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291212568] [2024-11-12 17:13:29,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:29,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:29,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:29,619 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:29,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:13:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:29,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:13:29,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:29,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-12 17:13:29,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291212568] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:13:29,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:13:29,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-12 17:13:29,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907897307] [2024-11-12 17:13:29,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:29,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:13:29,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:29,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:13:29,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:13:29,964 INFO L87 Difference]: Start difference. First operand 644 states and 868 transitions. Second operand has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-12 17:13:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:30,436 INFO L93 Difference]: Finished difference Result 905 states and 1232 transitions. [2024-11-12 17:13:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:13:30,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-12 17:13:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:30,441 INFO L225 Difference]: With dead ends: 905 [2024-11-12 17:13:30,442 INFO L226 Difference]: Without dead ends: 903 [2024-11-12 17:13:30,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:13:30,443 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 291 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:30,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 249 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:13:30,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-12 17:13:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 766. [2024-11-12 17:13:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 618 states have (on average 1.2572815533980584) internal successors, (777), 634 states have internal predecessors, (777), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 17:13:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1035 transitions. [2024-11-12 17:13:30,532 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1035 transitions. Word has length 104 [2024-11-12 17:13:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:30,532 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1035 transitions. [2024-11-12 17:13:30,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-12 17:13:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1035 transitions. [2024-11-12 17:13:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-12 17:13:30,533 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:30,533 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:30,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:30,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-12 17:13:30,738 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:30,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:30,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1569638871, now seen corresponding path program 1 times [2024-11-12 17:13:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:30,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760279990] [2024-11-12 17:13:30,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:30,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:30,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282492066] [2024-11-12 17:13:30,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:30,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:30,763 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:30,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:13:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:30,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:13:30,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-12 17:13:31,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:31,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:31,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760279990] [2024-11-12 17:13:31,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:31,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282492066] [2024-11-12 17:13:31,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282492066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:31,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:31,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:13:31,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359823578] [2024-11-12 17:13:31,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:31,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:13:31,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:31,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:13:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:13:31,597 INFO L87 Difference]: Start difference. First operand 766 states and 1035 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-12 17:13:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:32,503 INFO L93 Difference]: Finished difference Result 851 states and 1145 transitions. [2024-11-12 17:13:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:13:32,503 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 113 [2024-11-12 17:13:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:32,511 INFO L225 Difference]: With dead ends: 851 [2024-11-12 17:13:32,514 INFO L226 Difference]: Without dead ends: 848 [2024-11-12 17:13:32,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:13:32,515 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 202 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:32,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 438 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:13:32,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-12 17:13:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 831. [2024-11-12 17:13:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 671 states have (on average 1.2578241430700448) internal successors, (844), 687 states have internal predecessors, (844), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-12 17:13:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1126 transitions. [2024-11-12 17:13:32,591 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1126 transitions. Word has length 113 [2024-11-12 17:13:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:32,592 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1126 transitions. [2024-11-12 17:13:32,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-12 17:13:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1126 transitions. [2024-11-12 17:13:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-12 17:13:32,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:32,593 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:32,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:32,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:32,798 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:32,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:32,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1414164800, now seen corresponding path program 1 times [2024-11-12 17:13:32,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:32,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596749305] [2024-11-12 17:13:32,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:32,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:32,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805994741] [2024-11-12 17:13:32,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:32,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:32,816 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:32,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:13:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:32,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:13:32,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-12 17:13:33,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:34,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:34,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596749305] [2024-11-12 17:13:34,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:34,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805994741] [2024-11-12 17:13:34,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805994741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:34,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:34,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:13:34,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15084365] [2024-11-12 17:13:34,100 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:34,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:13:34,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:13:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:13:34,103 INFO L87 Difference]: Start difference. First operand 831 states and 1126 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-12 17:13:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:34,736 INFO L93 Difference]: Finished difference Result 855 states and 1143 transitions. [2024-11-12 17:13:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:13:34,737 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 114 [2024-11-12 17:13:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:34,741 INFO L225 Difference]: With dead ends: 855 [2024-11-12 17:13:34,741 INFO L226 Difference]: Without dead ends: 852 [2024-11-12 17:13:34,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:13:34,742 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 250 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:34,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 352 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:13:34,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-11-12 17:13:34,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 833. [2024-11-12 17:13:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 673 states have (on average 1.2481426448736999) internal successors, (840), 689 states have internal predecessors, (840), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-12 17:13:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1122 transitions. [2024-11-12 17:13:34,817 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1122 transitions. Word has length 114 [2024-11-12 17:13:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:34,817 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1122 transitions. [2024-11-12 17:13:34,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-12 17:13:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1122 transitions. [2024-11-12 17:13:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-12 17:13:34,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:34,818 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:34,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-12 17:13:35,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:35,023 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:35,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:35,023 INFO L85 PathProgramCache]: Analyzing trace with hash 889435897, now seen corresponding path program 1 times [2024-11-12 17:13:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914552091] [2024-11-12 17:13:35,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:13:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-12 17:13:35,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:35,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914552091] [2024-11-12 17:13:35,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914552091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:35,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:35,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:13:35,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746973111] [2024-11-12 17:13:35,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:35,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:13:35,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:35,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:13:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:13:35,124 INFO L87 Difference]: Start difference. First operand 833 states and 1122 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-12 17:13:35,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:35,951 INFO L93 Difference]: Finished difference Result 837 states and 1122 transitions. [2024-11-12 17:13:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:13:35,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 115 [2024-11-12 17:13:35,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:35,955 INFO L225 Difference]: With dead ends: 837 [2024-11-12 17:13:35,955 INFO L226 Difference]: Without dead ends: 836 [2024-11-12 17:13:35,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:13:35,956 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:35,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 211 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:13:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-12 17:13:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 794. [2024-11-12 17:13:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 639 states have (on average 1.2394366197183098) internal successors, (792), 654 states have internal predecessors, (792), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-12 17:13:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1066 transitions. [2024-11-12 17:13:36,029 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1066 transitions. Word has length 115 [2024-11-12 17:13:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:36,030 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1066 transitions. [2024-11-12 17:13:36,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-12 17:13:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1066 transitions. [2024-11-12 17:13:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-12 17:13:36,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:36,031 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:36,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 17:13:36,031 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:36,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:36,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1802709090, now seen corresponding path program 1 times [2024-11-12 17:13:36,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:36,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077535287] [2024-11-12 17:13:36,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:36,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515659375] [2024-11-12 17:13:36,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:36,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:36,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:36,048 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:36,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:13:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:36,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-12 17:13:36,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-12 17:13:36,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:37,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:37,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077535287] [2024-11-12 17:13:37,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:37,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515659375] [2024-11-12 17:13:37,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515659375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:37,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:37,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:13:37,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643981228] [2024-11-12 17:13:37,104 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:37,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:13:37,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:37,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:13:37,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:13:37,105 INFO L87 Difference]: Start difference. First operand 794 states and 1066 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-12 17:13:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:37,740 INFO L93 Difference]: Finished difference Result 810 states and 1072 transitions. [2024-11-12 17:13:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:13:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-12 17:13:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:37,743 INFO L225 Difference]: With dead ends: 810 [2024-11-12 17:13:37,744 INFO L226 Difference]: Without dead ends: 803 [2024-11-12 17:13:37,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:13:37,745 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 178 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:37,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 442 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:13:37,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-12 17:13:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 792. [2024-11-12 17:13:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 637 states have (on average 1.2291993720565149) internal successors, (783), 652 states have internal predecessors, (783), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-12 17:13:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1057 transitions. [2024-11-12 17:13:37,862 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1057 transitions. Word has length 116 [2024-11-12 17:13:37,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:37,863 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1057 transitions. [2024-11-12 17:13:37,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-12 17:13:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1057 transitions. [2024-11-12 17:13:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-12 17:13:37,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:37,864 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 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 17:13:37,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-12 17:13:38,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:38,065 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:38,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash -767441840, now seen corresponding path program 2 times [2024-11-12 17:13:38,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:38,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108413108] [2024-11-12 17:13:38,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:38,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511181632] [2024-11-12 17:13:38,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:13:38,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:38,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:38,084 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:38,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:13:38,142 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:13:38,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:38,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 17:13:38,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-12 17:13:38,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:38,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108413108] [2024-11-12 17:13:38,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511181632] [2024-11-12 17:13:38,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511181632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:38,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:38,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:13:38,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707467248] [2024-11-12 17:13:38,797 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:38,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:13:38,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:38,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:13:38,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:13:38,798 INFO L87 Difference]: Start difference. First operand 792 states and 1057 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-12 17:13:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:39,712 INFO L93 Difference]: Finished difference Result 1124 states and 1525 transitions. [2024-11-12 17:13:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:13:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-12 17:13:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:39,718 INFO L225 Difference]: With dead ends: 1124 [2024-11-12 17:13:39,718 INFO L226 Difference]: Without dead ends: 1120 [2024-11-12 17:13:39,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:13:39,719 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 389 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:39,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 547 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:13:39,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-12 17:13:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 948. [2024-11-12 17:13:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 765 states have (on average 1.2169934640522875) internal successors, (931), 780 states have internal predecessors, (931), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-12 17:13:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1261 transitions. [2024-11-12 17:13:39,810 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1261 transitions. Word has length 116 [2024-11-12 17:13:39,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:39,811 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1261 transitions. [2024-11-12 17:13:39,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-12 17:13:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1261 transitions. [2024-11-12 17:13:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-12 17:13:39,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:39,814 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:39,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:13:40,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-12 17:13:40,015 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:40,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:40,016 INFO L85 PathProgramCache]: Analyzing trace with hash -638119105, now seen corresponding path program 2 times [2024-11-12 17:13:40,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:40,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741658785] [2024-11-12 17:13:40,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 17:13:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 17:13:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 17:13:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:13:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:40,106 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-12 17:13:40,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741658785] [2024-11-12 17:13:40,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741658785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:13:40,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:13:40,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:13:40,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174495336] [2024-11-12 17:13:40,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:13:40,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:13:40,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:40,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:13:40,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:13:40,109 INFO L87 Difference]: Start difference. First operand 948 states and 1261 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-12 17:13:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:40,753 INFO L93 Difference]: Finished difference Result 1275 states and 1707 transitions. [2024-11-12 17:13:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:13:40,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2024-11-12 17:13:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:40,757 INFO L225 Difference]: With dead ends: 1275 [2024-11-12 17:13:40,757 INFO L226 Difference]: Without dead ends: 622 [2024-11-12 17:13:40,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:13:40,760 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:40,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 157 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:13:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-12 17:13:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 585. [2024-11-12 17:13:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 466 states have (on average 1.2210300429184548) internal successors, (569), 481 states have internal predecessors, (569), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-12 17:13:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 771 transitions. [2024-11-12 17:13:40,818 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 771 transitions. Word has length 123 [2024-11-12 17:13:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:40,818 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 771 transitions. [2024-11-12 17:13:40,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-12 17:13:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 771 transitions. [2024-11-12 17:13:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 17:13:40,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:40,819 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:13:40,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-12 17:13:40,820 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:40,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:40,820 INFO L85 PathProgramCache]: Analyzing trace with hash 470018659, now seen corresponding path program 2 times [2024-11-12 17:13:40,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:40,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393344604] [2024-11-12 17:13:40,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:40,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:40,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230495105] [2024-11-12 17:13:40,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:13:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:40,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:40,839 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:40,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:13:40,905 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:13:40,905 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:40,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:13:40,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-12 17:13:41,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:41,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:41,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393344604] [2024-11-12 17:13:41,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:41,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230495105] [2024-11-12 17:13:41,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230495105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:41,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:41,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-12 17:13:41,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251393420] [2024-11-12 17:13:41,585 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:41,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:13:41,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:41,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:13:41,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:13:41,586 INFO L87 Difference]: Start difference. First operand 585 states and 771 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-12 17:13:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:42,459 INFO L93 Difference]: Finished difference Result 672 states and 883 transitions. [2024-11-12 17:13:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:13:42,460 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 151 [2024-11-12 17:13:42,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:42,462 INFO L225 Difference]: With dead ends: 672 [2024-11-12 17:13:42,462 INFO L226 Difference]: Without dead ends: 669 [2024-11-12 17:13:42,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-12 17:13:42,463 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 218 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:42,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 562 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:13:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-12 17:13:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 651. [2024-11-12 17:13:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 520 states have (on average 1.225) internal successors, (637), 535 states have internal predecessors, (637), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 17:13:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 863 transitions. [2024-11-12 17:13:42,525 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 863 transitions. Word has length 151 [2024-11-12 17:13:42,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:42,526 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 863 transitions. [2024-11-12 17:13:42,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-12 17:13:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 863 transitions. [2024-11-12 17:13:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 17:13:42,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:42,527 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:13:42,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:42,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:42,727 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:42,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:42,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1685676596, now seen corresponding path program 2 times [2024-11-12 17:13:42,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:42,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980237520] [2024-11-12 17:13:42,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:42,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:42,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944706648] [2024-11-12 17:13:42,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:13:42,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:42,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:42,756 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:42,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:13:42,822 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:13:42,823 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:42,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 17:13:42,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-12 17:13:43,518 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:44,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:44,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980237520] [2024-11-12 17:13:44,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:44,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944706648] [2024-11-12 17:13:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944706648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:44,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:44,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 17:13:44,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755634632] [2024-11-12 17:13:44,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:44,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:13:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:44,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:13:44,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:13:44,037 INFO L87 Difference]: Start difference. First operand 651 states and 863 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-12 17:13:44,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:44,489 INFO L93 Difference]: Finished difference Result 670 states and 877 transitions. [2024-11-12 17:13:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:13:44,489 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 152 [2024-11-12 17:13:44,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:44,492 INFO L225 Difference]: With dead ends: 670 [2024-11-12 17:13:44,492 INFO L226 Difference]: Without dead ends: 667 [2024-11-12 17:13:44,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:13:44,493 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 176 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:44,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 223 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:13:44,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-12 17:13:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 652. [2024-11-12 17:13:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 521 states have (on average 1.2130518234165066) internal successors, (632), 536 states have internal predecessors, (632), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 17:13:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 858 transitions. [2024-11-12 17:13:44,555 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 858 transitions. Word has length 152 [2024-11-12 17:13:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:44,555 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 858 transitions. [2024-11-12 17:13:44,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-12 17:13:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 858 transitions. [2024-11-12 17:13:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 17:13:44,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:44,557 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:44,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-12 17:13:44,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:44,761 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:44,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash 732539990, now seen corresponding path program 2 times [2024-11-12 17:13:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:44,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186720961] [2024-11-12 17:13:44,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:44,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1660155235] [2024-11-12 17:13:44,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:13:44,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:44,793 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:44,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:13:44,857 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:13:44,857 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:44,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 17:13:44,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-12 17:13:45,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:46,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186720961] [2024-11-12 17:13:46,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660155235] [2024-11-12 17:13:46,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660155235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:46,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:46,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-12 17:13:46,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847586812] [2024-11-12 17:13:46,760 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:46,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:13:46,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:46,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:13:46,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-12 17:13:46,761 INFO L87 Difference]: Start difference. First operand 652 states and 858 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-12 17:13:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:47,674 INFO L93 Difference]: Finished difference Result 668 states and 864 transitions. [2024-11-12 17:13:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:13:47,674 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 154 [2024-11-12 17:13:47,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:47,677 INFO L225 Difference]: With dead ends: 668 [2024-11-12 17:13:47,677 INFO L226 Difference]: Without dead ends: 661 [2024-11-12 17:13:47,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 17:13:47,678 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 236 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:47,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 475 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:13:47,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-12 17:13:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 614. [2024-11-12 17:13:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 490 states have (on average 1.1979591836734693) internal successors, (587), 505 states have internal predecessors, (587), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-12 17:13:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 799 transitions. [2024-11-12 17:13:47,754 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 799 transitions. Word has length 154 [2024-11-12 17:13:47,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:47,754 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 799 transitions. [2024-11-12 17:13:47,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-12 17:13:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 799 transitions. [2024-11-12 17:13:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 17:13:47,756 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:47,756 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 17:13:47,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:47,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:47,959 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:47,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:47,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1837610940, now seen corresponding path program 3 times [2024-11-12 17:13:47,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:47,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700502165] [2024-11-12 17:13:47,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:47,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125594373] [2024-11-12 17:13:47,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:13:47,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:47,975 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:47,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:13:48,030 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:13:48,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:48,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:13:48,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-12 17:13:48,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:48,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700502165] [2024-11-12 17:13:48,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125594373] [2024-11-12 17:13:48,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125594373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:48,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:48,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-12 17:13:48,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330641108] [2024-11-12 17:13:48,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:48,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:13:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:13:48,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:13:48,629 INFO L87 Difference]: Start difference. First operand 614 states and 799 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:13:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:49,523 INFO L93 Difference]: Finished difference Result 753 states and 993 transitions. [2024-11-12 17:13:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:13:49,523 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 154 [2024-11-12 17:13:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:49,526 INFO L225 Difference]: With dead ends: 753 [2024-11-12 17:13:49,526 INFO L226 Difference]: Without dead ends: 749 [2024-11-12 17:13:49,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:13:49,527 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 387 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:49,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 374 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:13:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-12 17:13:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 610. [2024-11-12 17:13:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 486 states have (on average 1.191358024691358) internal successors, (579), 501 states have internal predecessors, (579), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-12 17:13:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 791 transitions. [2024-11-12 17:13:49,642 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 791 transitions. Word has length 154 [2024-11-12 17:13:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:49,642 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 791 transitions. [2024-11-12 17:13:49,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-12 17:13:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 791 transitions. [2024-11-12 17:13:49,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 17:13:49,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:49,644 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:13:49,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:49,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:49,845 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:49,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1135662868, now seen corresponding path program 3 times [2024-11-12 17:13:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:49,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961562427] [2024-11-12 17:13:49,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:49,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263661435] [2024-11-12 17:13:49,871 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:13:49,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:49,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:49,873 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:49,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:13:49,933 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-12 17:13:49,934 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:49,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:13:49,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-12 17:13:50,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:50,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961562427] [2024-11-12 17:13:50,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263661435] [2024-11-12 17:13:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263661435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:50,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:50,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 17:13:50,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974677151] [2024-11-12 17:13:50,820 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:50,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:13:50,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:50,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:13:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:13:50,821 INFO L87 Difference]: Start difference. First operand 610 states and 791 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-12 17:13:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:52,769 INFO L93 Difference]: Finished difference Result 631 states and 819 transitions. [2024-11-12 17:13:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 17:13:52,769 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 160 [2024-11-12 17:13:52,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:52,772 INFO L225 Difference]: With dead ends: 631 [2024-11-12 17:13:52,772 INFO L226 Difference]: Without dead ends: 628 [2024-11-12 17:13:52,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-12 17:13:52,773 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 139 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:52,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 302 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 17:13:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-12 17:13:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 607. [2024-11-12 17:13:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 486 states have (on average 1.1604938271604939) internal successors, (564), 498 states have internal predecessors, (564), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-12 17:13:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 776 transitions. [2024-11-12 17:13:52,867 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 776 transitions. Word has length 160 [2024-11-12 17:13:52,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:52,868 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 776 transitions. [2024-11-12 17:13:52,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-12 17:13:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 776 transitions. [2024-11-12 17:13:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 17:13:52,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:52,870 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:52,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:53,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-12 17:13:53,075 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:53,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:53,075 INFO L85 PathProgramCache]: Analyzing trace with hash -845810485, now seen corresponding path program 3 times [2024-11-12 17:13:53,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932726236] [2024-11-12 17:13:53,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327496208] [2024-11-12 17:13:53,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:13:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:53,093 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:53,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:13:53,221 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-12 17:13:53,221 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:53,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 17:13:53,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 82 proven. 55 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-12 17:13:53,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:54,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:54,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932726236] [2024-11-12 17:13:54,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:54,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327496208] [2024-11-12 17:13:54,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327496208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:54,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:54,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-12 17:13:54,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200710125] [2024-11-12 17:13:54,341 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:54,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:13:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:54,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:13:54,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:13:54,342 INFO L87 Difference]: Start difference. First operand 607 states and 776 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-12 17:13:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:56,063 INFO L93 Difference]: Finished difference Result 1013 states and 1328 transitions. [2024-11-12 17:13:56,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 17:13:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 161 [2024-11-12 17:13:56,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:56,068 INFO L225 Difference]: With dead ends: 1013 [2024-11-12 17:13:56,068 INFO L226 Difference]: Without dead ends: 1010 [2024-11-12 17:13:56,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2024-11-12 17:13:56,070 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 226 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:56,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 178 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 544 Invalid, 1 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 17:13:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-12 17:13:56,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 981. [2024-11-12 17:13:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 792 states have (on average 1.1767676767676767) internal successors, (932), 804 states have internal predecessors, (932), 174 states have call successors, (174), 2 states have call predecessors, (174), 2 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-12 17:13:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1280 transitions. [2024-11-12 17:13:56,193 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1280 transitions. Word has length 161 [2024-11-12 17:13:56,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:56,194 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1280 transitions. [2024-11-12 17:13:56,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-12 17:13:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1280 transitions. [2024-11-12 17:13:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 17:13:56,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:56,195 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:56,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:56,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-12 17:13:56,396 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:56,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:56,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1075055315, now seen corresponding path program 3 times [2024-11-12 17:13:56,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:56,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415540993] [2024-11-12 17:13:56,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:56,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:13:56,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007330600] [2024-11-12 17:13:56,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:13:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:56,421 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:56,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:13:56,494 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-12 17:13:56,494 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:56,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 17:13:56,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:56,944 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 66 proven. 70 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-12 17:13:56,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415540993] [2024-11-12 17:13:57,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:13:57,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007330600] [2024-11-12 17:13:57,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007330600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:57,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:13:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 17:13:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534956315] [2024-11-12 17:13:57,191 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:13:57,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:13:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:13:57,192 INFO L87 Difference]: Start difference. First operand 981 states and 1280 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-12 17:13:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:13:58,128 INFO L93 Difference]: Finished difference Result 988 states and 1286 transitions. [2024-11-12 17:13:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:13:58,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) Word has length 163 [2024-11-12 17:13:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:13:58,133 INFO L225 Difference]: With dead ends: 988 [2024-11-12 17:13:58,134 INFO L226 Difference]: Without dead ends: 963 [2024-11-12 17:13:58,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-12 17:13:58,135 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 179 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:13:58,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 156 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:13:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-12 17:13:58,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 895. [2024-11-12 17:13:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 723 states have (on average 1.120331950207469) internal successors, (810), 732 states have internal predecessors, (810), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-12 17:13:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1130 transitions. [2024-11-12 17:13:58,243 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1130 transitions. Word has length 163 [2024-11-12 17:13:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:13:58,243 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1130 transitions. [2024-11-12 17:13:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-12 17:13:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1130 transitions. [2024-11-12 17:13:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 17:13:58,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:13:58,245 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:13:58,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-12 17:13:58,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-12 17:13:58,445 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:13:58,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:13:58,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1302735145, now seen corresponding path program 2 times [2024-11-12 17:13:58,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:13:58,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850784629] [2024-11-12 17:13:58,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:13:58,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:13:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:13:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:13:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:13:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:13:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:13:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:13:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:13:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:13:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:13:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:13:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:13:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:13:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 17:13:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:13:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 17:13:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 17:13:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 17:13:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 17:13:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 17:13:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 17:13:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 17:13:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 17:13:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 17:13:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 17:13:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:13:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-12 17:13:58,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:13:58,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850784629] [2024-11-12 17:13:58,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850784629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:13:58,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038753786] [2024-11-12 17:13:58,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:13:58,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:13:58,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:13:58,629 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:13:58,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:13:58,704 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:13:58,704 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:13:58,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:13:58,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:13:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-12 17:13:58,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:13:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-12 17:13:59,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038753786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:13:59,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:13:59,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-12 17:13:59,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405639957] [2024-11-12 17:13:59,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:13:59,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:13:59,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:13:59,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:13:59,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:13:59,128 INFO L87 Difference]: Start difference. First operand 895 states and 1130 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-12 17:14:00,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:00,214 INFO L93 Difference]: Finished difference Result 1828 states and 2310 transitions. [2024-11-12 17:14:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:14:00,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) Word has length 212 [2024-11-12 17:14:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:00,240 INFO L225 Difference]: With dead ends: 1828 [2024-11-12 17:14:00,241 INFO L226 Difference]: Without dead ends: 1827 [2024-11-12 17:14:00,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:14:00,242 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 498 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:00,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 489 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 17:14:00,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-12 17:14:00,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1420. [2024-11-12 17:14:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1152 states have (on average 1.1614583333333333) internal successors, (1338), 1161 states have internal predecessors, (1338), 256 states have call successors, (256), 2 states have call predecessors, (256), 2 states have return successors, (256), 256 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-12 17:14:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1850 transitions. [2024-11-12 17:14:00,445 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1850 transitions. Word has length 212 [2024-11-12 17:14:00,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:00,445 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 1850 transitions. [2024-11-12 17:14:00,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-12 17:14:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1850 transitions. [2024-11-12 17:14:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 17:14:00,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:00,447 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:00,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 17:14:00,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:00,652 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:00,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:00,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1618550937, now seen corresponding path program 1 times [2024-11-12 17:14:00,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:00,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529406685] [2024-11-12 17:14:00,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:00,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:14:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:14:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:14:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:14:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:14:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:14:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:14:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:14:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:14:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:14:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:14:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:14:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 17:14:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:14:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 17:14:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 17:14:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 17:14:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 17:14:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 17:14:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 17:14:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:14:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 17:14:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 17:14:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 17:14:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 17:14:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-12 17:14:00,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:00,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529406685] [2024-11-12 17:14:00,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529406685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:00,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862776652] [2024-11-12 17:14:00,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:00,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:00,917 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:00,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:14:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:01,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:14:01,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-12 17:14:01,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-11-12 17:14:01,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862776652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:14:01,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:14:01,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-12 17:14:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631380148] [2024-11-12 17:14:01,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:01,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:14:01,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:14:01,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:14:01,318 INFO L87 Difference]: Start difference. First operand 1420 states and 1850 transitions. Second operand has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-12 17:14:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:02,246 INFO L93 Difference]: Finished difference Result 2187 states and 2890 transitions. [2024-11-12 17:14:02,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 17:14:02,247 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 227 [2024-11-12 17:14:02,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:02,251 INFO L225 Difference]: With dead ends: 2187 [2024-11-12 17:14:02,252 INFO L226 Difference]: Without dead ends: 1154 [2024-11-12 17:14:02,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 496 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:14:02,254 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 259 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:02,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 577 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:14:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-12 17:14:02,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1121. [2024-11-12 17:14:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 907 states have (on average 1.1841234840132304) internal successors, (1074), 916 states have internal predecessors, (1074), 202 states have call successors, (202), 2 states have call predecessors, (202), 2 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-12 17:14:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1478 transitions. [2024-11-12 17:14:02,410 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1478 transitions. Word has length 227 [2024-11-12 17:14:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:02,411 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1478 transitions. [2024-11-12 17:14:02,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-12 17:14:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1478 transitions. [2024-11-12 17:14:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 17:14:02,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:02,413 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:02,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-12 17:14:02,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-12 17:14:02,618 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:02,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash 342059287, now seen corresponding path program 2 times [2024-11-12 17:14:02,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:02,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992211847] [2024-11-12 17:14:02,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:02,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:14:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:14:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:14:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:14:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:14:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:14:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:14:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:14:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:14:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:14:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:14:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:14:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 17:14:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:14:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 17:14:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 17:14:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 17:14:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 17:14:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 17:14:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 17:14:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 17:14:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 17:14:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 17:14:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 17:14:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 17:14:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-12 17:14:02,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:02,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992211847] [2024-11-12 17:14:02,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992211847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:02,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778306621] [2024-11-12 17:14:02,850 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:14:02,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:02,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:02,851 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:02,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 17:14:02,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:14:02,917 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:14:02,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:14:02,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-12 17:14:03,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-12 17:14:03,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778306621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:14:03,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:14:03,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-12 17:14:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909387061] [2024-11-12 17:14:03,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:03,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:14:03,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:14:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:14:03,410 INFO L87 Difference]: Start difference. First operand 1121 states and 1478 transitions. Second operand has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-12 17:14:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:04,391 INFO L93 Difference]: Finished difference Result 2569 states and 3417 transitions. [2024-11-12 17:14:04,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-12 17:14:04,391 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) Word has length 227 [2024-11-12 17:14:04,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:04,400 INFO L225 Difference]: With dead ends: 2569 [2024-11-12 17:14:04,400 INFO L226 Difference]: Without dead ends: 2556 [2024-11-12 17:14:04,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 17:14:04,401 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 944 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:04,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 525 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:14:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2024-11-12 17:14:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 1470. [2024-11-12 17:14:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1192 states have (on average 1.1736577181208054) internal successors, (1399), 1201 states have internal predecessors, (1399), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-12 17:14:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1931 transitions. [2024-11-12 17:14:04,611 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1931 transitions. Word has length 227 [2024-11-12 17:14:04,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:04,612 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1931 transitions. [2024-11-12 17:14:04,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-12 17:14:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1931 transitions. [2024-11-12 17:14:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-12 17:14:04,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:04,614 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:04,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-12 17:14:04,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-12 17:14:04,815 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:04,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:04,815 INFO L85 PathProgramCache]: Analyzing trace with hash 638648667, now seen corresponding path program 1 times [2024-11-12 17:14:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040169069] [2024-11-12 17:14:04,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:14:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 17:14:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 17:14:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 17:14:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 17:14:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 17:14:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 17:14:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 17:14:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 17:14:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 17:14:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 17:14:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 17:14:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 17:14:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 17:14:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 17:14:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 17:14:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 17:14:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 17:14:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 17:14:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 17:14:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 17:14:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 17:14:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 17:14:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 17:14:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 17:14:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 17:14:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-12 17:14:05,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040169069] [2024-11-12 17:14:05,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040169069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:05,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192549133] [2024-11-12 17:14:05,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:05,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:05,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:05,053 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:05,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 17:14:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:14:05,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:14:05,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 140 proven. 157 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-12 17:14:05,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-12 17:14:05,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192549133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:14:05,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:14:05,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-12 17:14:05,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815538436] [2024-11-12 17:14:05,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:05,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 17:14:05,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 17:14:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:14:05,586 INFO L87 Difference]: Start difference. First operand 1470 states and 1931 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-12 17:14:06,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:06,770 INFO L93 Difference]: Finished difference Result 2755 states and 3633 transitions. [2024-11-12 17:14:06,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:14:06,771 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 239 [2024-11-12 17:14:06,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:06,778 INFO L225 Difference]: With dead ends: 2755 [2024-11-12 17:14:06,779 INFO L226 Difference]: Without dead ends: 1834 [2024-11-12 17:14:06,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:14:06,781 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 177 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:06,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 592 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 17:14:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2024-11-12 17:14:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1713. [2024-11-12 17:14:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1391 states have (on average 1.164629762760604) internal successors, (1620), 1400 states have internal predecessors, (1620), 310 states have call successors, (310), 2 states have call predecessors, (310), 2 states have return successors, (310), 310 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-12 17:14:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2240 transitions. [2024-11-12 17:14:06,999 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2240 transitions. Word has length 239 [2024-11-12 17:14:07,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:07,000 INFO L471 AbstractCegarLoop]: Abstraction has 1713 states and 2240 transitions. [2024-11-12 17:14:07,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-12 17:14:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2240 transitions. [2024-11-12 17:14:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-12 17:14:07,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:07,002 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:07,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-12 17:14:07,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:07,204 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:07,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:07,205 INFO L85 PathProgramCache]: Analyzing trace with hash 946345191, now seen corresponding path program 2 times [2024-11-12 17:14:07,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:07,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519912626] [2024-11-12 17:14:07,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:14:07,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276942660] [2024-11-12 17:14:07,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:14:07,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:07,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:07,256 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:07,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-12 17:14:07,366 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:14:07,366 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:14:07,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 17:14:07,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 10 proven. 309 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-12 17:14:08,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:08,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:08,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519912626] [2024-11-12 17:14:08,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:14:08,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276942660] [2024-11-12 17:14:08,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276942660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:08,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:14:08,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-12 17:14:08,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290147612] [2024-11-12 17:14:08,561 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:08,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 17:14:08,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:08,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 17:14:08,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:14:08,562 INFO L87 Difference]: Start difference. First operand 1713 states and 2240 transitions. Second operand has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-12 17:14:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:10,487 INFO L93 Difference]: Finished difference Result 2555 states and 3374 transitions. [2024-11-12 17:14:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 17:14:10,488 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) Word has length 277 [2024-11-12 17:14:10,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:10,495 INFO L225 Difference]: With dead ends: 2555 [2024-11-12 17:14:10,495 INFO L226 Difference]: Without dead ends: 1580 [2024-11-12 17:14:10,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=925, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 17:14:10,498 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 374 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:10,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1076 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:14:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-12 17:14:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1522. [2024-11-12 17:14:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1235 states have (on average 1.1562753036437248) internal successors, (1428), 1244 states have internal predecessors, (1428), 275 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 275 states have call predecessors, (275), 275 states have call successors, (275) [2024-11-12 17:14:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1978 transitions. [2024-11-12 17:14:10,704 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1978 transitions. Word has length 277 [2024-11-12 17:14:10,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:10,705 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 1978 transitions. [2024-11-12 17:14:10,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.5) internal successors, (136), 17 states have internal predecessors, (136), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-12 17:14:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1978 transitions. [2024-11-12 17:14:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-12 17:14:10,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:10,708 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:10,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-12 17:14:10,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:10,912 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:10,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1393094048, now seen corresponding path program 4 times [2024-11-12 17:14:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180481308] [2024-11-12 17:14:10,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:14:10,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636748068] [2024-11-12 17:14:10,961 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-12 17:14:10,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:10,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:10,963 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:10,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-12 17:14:11,061 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-12 17:14:11,062 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:14:11,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 17:14:11,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 3 proven. 285 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-11-12 17:14:11,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:12,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:12,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180481308] [2024-11-12 17:14:12,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:14:12,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636748068] [2024-11-12 17:14:12,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636748068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:12,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:14:12,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-12 17:14:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253900810] [2024-11-12 17:14:12,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:12,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:14:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:12,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:14:12,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:14:12,333 INFO L87 Difference]: Start difference. First operand 1522 states and 1978 transitions. Second operand has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-12 17:14:12,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:14:12,899 INFO L93 Difference]: Finished difference Result 1568 states and 2029 transitions. [2024-11-12 17:14:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:14:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) Word has length 284 [2024-11-12 17:14:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:14:12,904 INFO L225 Difference]: With dead ends: 1568 [2024-11-12 17:14:12,905 INFO L226 Difference]: Without dead ends: 1474 [2024-11-12 17:14:12,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:14:12,906 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 146 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:14:12,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 245 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:14:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-12 17:14:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1473. [2024-11-12 17:14:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 1195 states have (on average 1.1606694560669457) internal successors, (1387), 1204 states have internal predecessors, (1387), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-12 17:14:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1919 transitions. [2024-11-12 17:14:13,119 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1919 transitions. Word has length 284 [2024-11-12 17:14:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:14:13,119 INFO L471 AbstractCegarLoop]: Abstraction has 1473 states and 1919 transitions. [2024-11-12 17:14:13,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.2) internal successors, (138), 15 states have internal predecessors, (138), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-12 17:14:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1919 transitions. [2024-11-12 17:14:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-12 17:14:13,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:14:13,122 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:14:13,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-12 17:14:13,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-12 17:14:13,323 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-12 17:14:13,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:14:13,323 INFO L85 PathProgramCache]: Analyzing trace with hash -799006861, now seen corresponding path program 3 times [2024-11-12 17:14:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:14:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009532659] [2024-11-12 17:14:13,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:14:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:14:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:14:13,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946085380] [2024-11-12 17:14:13,368 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:14:13,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:14:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:14:13,370 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:14:13,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-12 17:14:13,432 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:14:13,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:14:13,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 17:14:13,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:14:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2311 backedges. 295 proven. 41 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2024-11-12 17:14:14,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:14:22,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:14:22,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009532659] [2024-11-12 17:14:22,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:14:22,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946085380] [2024-11-12 17:14:22,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946085380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:14:22,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:14:22,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-12 17:14:22,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669054153] [2024-11-12 17:14:22,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:14:22,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:14:22,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:14:22,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:14:22,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=224, Unknown=2, NotChecked=0, Total=272 [2024-11-12 17:14:22,478 INFO L87 Difference]: Start difference. First operand 1473 states and 1919 transitions. Second operand has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16)