./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/fermat2-ll_valuebound2.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 40704d62e6828e524eeb24a4dc1771a4d2719fc47e6facdd014c5940cef1d5d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:30:45,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:30:45,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:30:45,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:30:45,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:30:45,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:30:45,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:30:45,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:30:45,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:30:45,486 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:30:45,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:30:45,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:30:45,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:30:45,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:30:45,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:30:45,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:30:45,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:30:45,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:30:45,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:30:45,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:30:45,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:30:45,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:30:45,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:30:45,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:30:45,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:30:45,492 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:30:45,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:30:45,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:30:45,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:30:45,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:30:45,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:30:45,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:30:45,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:30:45,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40704d62e6828e524eeb24a4dc1771a4d2719fc47e6facdd014c5940cef1d5d0 [2024-11-17 04:30:45,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:30:45,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:30:45,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:30:45,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:30:45,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:30:45,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-11-17 04:30:46,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:30:47,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:30:47,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-11-17 04:30:47,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/895d5a3a2/6708cff7b7e540798b78f477db1528d4/FLAGb7be88cb8 [2024-11-17 04:30:47,466 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/895d5a3a2/6708cff7b7e540798b78f477db1528d4 [2024-11-17 04:30:47,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:30:47,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:30:47,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:30:47,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:30:47,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:30:47,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df13eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47, skipping insertion in model container [2024-11-17 04:30:47,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:30:47,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:30:47,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:30:47,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:30:47,670 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:30:47,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47 WrapperNode [2024-11-17 04:30:47,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:30:47,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:30:47,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:30:47,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:30:47,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,710 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-17 04:30:47,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:30:47,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:30:47,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:30:47,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:30:47,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,732 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]. [2024-11-17 04:30:47,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:30:47,742 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:30:47,742 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:30:47,742 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:30:47,743 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (1/1) ... [2024-11-17 04:30:47,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:30:47,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:47,775 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) [2024-11-17 04:30:47,777 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 [2024-11-17 04:30:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:30:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:30:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:30:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:30:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:30:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:30:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:30:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:30:47,860 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:30:47,863 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:30:48,170 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-17 04:30:48,170 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:30:48,187 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:30:48,187 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:30:48,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:30:48 BoogieIcfgContainer [2024-11-17 04:30:48,188 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:30:48,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:30:48,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:30:48,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:30:48,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:30:47" (1/3) ... [2024-11-17 04:30:48,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f28923b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:30:48, skipping insertion in model container [2024-11-17 04:30:48,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:30:47" (2/3) ... [2024-11-17 04:30:48,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f28923b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:30:48, skipping insertion in model container [2024-11-17 04:30:48,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:30:48" (3/3) ... [2024-11-17 04:30:48,193 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound2.c [2024-11-17 04:30:48,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:30:48,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-17 04:30:48,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:30:48,263 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;@64c28021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:30:48,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-17 04:30:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 80 states have (on average 1.775) internal successors, (142), 136 states have internal predecessors, (142), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:30:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:30:48,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:48,272 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:48,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:48,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1266032848, now seen corresponding path program 1 times [2024-11-17 04:30:48,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:48,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905161884] [2024-11-17 04:30:48,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:48,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:30:48,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:48,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905161884] [2024-11-17 04:30:48,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905161884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:48,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:48,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:48,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712959841] [2024-11-17 04:30:48,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:48,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:30:48,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:48,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:30:48,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:30:48,463 INFO L87 Difference]: Start difference. First operand has 145 states, 80 states have (on average 1.775) internal successors, (142), 136 states have internal predecessors, (142), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:48,492 INFO L93 Difference]: Finished difference Result 280 states and 309 transitions. [2024-11-17 04:30:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:30:48,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-17 04:30:48,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:48,500 INFO L225 Difference]: With dead ends: 280 [2024-11-17 04:30:48,500 INFO L226 Difference]: Without dead ends: 132 [2024-11-17 04:30:48,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:30:48,506 INFO L432 NwaCegarLoop]: 143 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, 143 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 [2024-11-17 04:30:48,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:30:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-17 04:30:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-17 04:30:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.68) internal successors, (126), 124 states have internal predecessors, (126), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 136 transitions. [2024-11-17 04:30:48,537 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 136 transitions. Word has length 14 [2024-11-17 04:30:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:48,537 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 136 transitions. [2024-11-17 04:30:48,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2024-11-17 04:30:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:30:48,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:48,538 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:48,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:30:48,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:48,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:48,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1069549134, now seen corresponding path program 1 times [2024-11-17 04:30:48,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:48,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647801337] [2024-11-17 04:30:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:30:48,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:48,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647801337] [2024-11-17 04:30:48,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647801337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:48,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:48,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379698105] [2024-11-17 04:30:48,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:48,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:30:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:48,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:30:48,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:48,626 INFO L87 Difference]: Start difference. First operand 132 states and 136 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:48,672 INFO L93 Difference]: Finished difference Result 132 states and 136 transitions. [2024-11-17 04:30:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:30:48,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-17 04:30:48,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:48,674 INFO L225 Difference]: With dead ends: 132 [2024-11-17 04:30:48,675 INFO L226 Difference]: Without dead ends: 128 [2024-11-17 04:30:48,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:48,676 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 15 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:48,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 211 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:30:48,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-17 04:30:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-17 04:30:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 75 states have (on average 1.6266666666666667) internal successors, (122), 120 states have internal predecessors, (122), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 132 transitions. [2024-11-17 04:30:48,691 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 132 transitions. Word has length 14 [2024-11-17 04:30:48,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:48,695 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 132 transitions. [2024-11-17 04:30:48,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2024-11-17 04:30:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:30:48,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:48,696 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:48,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:30:48,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:48,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:48,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1203715115, now seen corresponding path program 1 times [2024-11-17 04:30:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723833689] [2024-11-17 04:30:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:48,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:30:48,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:48,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723833689] [2024-11-17 04:30:48,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723833689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:48,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:48,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:48,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548142485] [2024-11-17 04:30:48,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:48,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:30:48,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:48,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:30:48,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:48,774 INFO L87 Difference]: Start difference. First operand 128 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:48,820 INFO L93 Difference]: Finished difference Result 128 states and 132 transitions. [2024-11-17 04:30:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:30:48,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-17 04:30:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:48,821 INFO L225 Difference]: With dead ends: 128 [2024-11-17 04:30:48,821 INFO L226 Difference]: Without dead ends: 124 [2024-11-17 04:30:48,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:48,822 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 14 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:48,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 211 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:30:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-17 04:30:48,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-17 04:30:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2024-11-17 04:30:48,831 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 15 [2024-11-17 04:30:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:48,831 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 128 transitions. [2024-11-17 04:30:48,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:30:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2024-11-17 04:30:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:30:48,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:48,835 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:48,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:30:48,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:48,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:48,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1611553169, now seen corresponding path program 1 times [2024-11-17 04:30:48,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:48,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036388876] [2024-11-17 04:30:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:48,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:30:48,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007568705] [2024-11-17 04:30:48,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:48,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:48,856 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) [2024-11-17 04:30:48,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:30:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:48,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:30:48,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:30:48,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:30:48,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:48,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036388876] [2024-11-17 04:30:48,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:30:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007568705] [2024-11-17 04:30:48,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007568705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:48,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:48,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:30:48,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657204889] [2024-11-17 04:30:48,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:48,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:30:48,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:48,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:30:48,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:48,982 INFO L87 Difference]: Start difference. First operand 124 states and 128 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:30:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:49,083 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2024-11-17 04:30:49,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:30:49,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-17 04:30:49,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:49,093 INFO L225 Difference]: With dead ends: 124 [2024-11-17 04:30:49,093 INFO L226 Difference]: Without dead ends: 122 [2024-11-17 04:30:49,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:49,094 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 10 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:49,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 399 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-17 04:30:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-17 04:30:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 75 states have (on average 1.5466666666666666) internal successors, (116), 114 states have internal predecessors, (116), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2024-11-17 04:30:49,102 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 19 [2024-11-17 04:30:49,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:49,103 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2024-11-17 04:30:49,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:30:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2024-11-17 04:30:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:30:49,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:49,104 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:49,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:30:49,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:49,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:49,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash -645973435, now seen corresponding path program 1 times [2024-11-17 04:30:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:49,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508803698] [2024-11-17 04:30:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:30:49,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153042321] [2024-11-17 04:30:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:49,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:49,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:49,337 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) [2024-11-17 04:30:49,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:30:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:49,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:30:49,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:49,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:30:49,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:49,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508803698] [2024-11-17 04:30:49,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:30:49,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153042321] [2024-11-17 04:30:49,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153042321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:49,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:30:49,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:30:49,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023372084] [2024-11-17 04:30:49,564 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:30:49,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:30:49,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:49,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:30:49,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:30:49,565 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:30:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:49,626 INFO L93 Difference]: Finished difference Result 122 states and 126 transitions. [2024-11-17 04:30:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:30:49,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-17 04:30:49,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:49,628 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:30:49,629 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:30:49,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:30:49,630 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 86 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:49,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 312 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:30:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-17 04:30:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 111 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions. [2024-11-17 04:30:49,640 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 37 [2024-11-17 04:30:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:49,640 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions. [2024-11-17 04:30:49,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:30:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2024-11-17 04:30:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:30:49,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:49,642 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:49,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:30:49,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:49,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:49,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1449660067, now seen corresponding path program 1 times [2024-11-17 04:30:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142248952] [2024-11-17 04:30:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:50,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142248952] [2024-11-17 04:30:50,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142248952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:50,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263455627] [2024-11-17 04:30:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:50,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:50,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:50,043 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) [2024-11-17 04:30:50,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:30:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:30:50,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:50,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:30:50,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263455627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:50,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:30:50,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-17 04:30:50,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673362264] [2024-11-17 04:30:50,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:30:50,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:30:50,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:50,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:30:50,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:30:50,273 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:30:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:50,378 INFO L93 Difference]: Finished difference Result 119 states and 123 transitions. [2024-11-17 04:30:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:30:50,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 38 [2024-11-17 04:30:50,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:50,379 INFO L225 Difference]: With dead ends: 119 [2024-11-17 04:30:50,379 INFO L226 Difference]: Without dead ends: 118 [2024-11-17 04:30:50,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:30:50,380 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 111 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:50,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 372 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:50,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-17 04:30:50,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-17 04:30:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 75 states have (on average 1.4933333333333334) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 122 transitions. [2024-11-17 04:30:50,389 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 122 transitions. Word has length 38 [2024-11-17 04:30:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:50,390 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 122 transitions. [2024-11-17 04:30:50,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:30:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2024-11-17 04:30:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:30:50,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:50,391 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:50,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:30:50,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:50,592 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:50,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1328851202, now seen corresponding path program 1 times [2024-11-17 04:30:50,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:50,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312321183] [2024-11-17 04:30:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:50,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:50,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312321183] [2024-11-17 04:30:50,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312321183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:50,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:50,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:50,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734059714] [2024-11-17 04:30:50,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:50,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:30:50,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:30:50,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:50,654 INFO L87 Difference]: Start difference. First operand 118 states and 122 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:50,692 INFO L93 Difference]: Finished difference Result 122 states and 126 transitions. [2024-11-17 04:30:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:30:50,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-17 04:30:50,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:50,694 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:30:50,694 INFO L226 Difference]: Without dead ends: 121 [2024-11-17 04:30:50,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:50,695 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 37 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:50,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 168 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:30:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-17 04:30:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-17 04:30:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 113 states have internal predecessors, (115), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-17 04:30:50,705 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 42 [2024-11-17 04:30:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:50,706 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-17 04:30:50,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-17 04:30:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:30:50,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:50,707 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:50,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:30:50,707 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:50,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:50,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1755285761, now seen corresponding path program 1 times [2024-11-17 04:30:50,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:50,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717448108] [2024-11-17 04:30:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:50,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:50,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717448108] [2024-11-17 04:30:50,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717448108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:50,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:50,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:30:50,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682373548] [2024-11-17 04:30:50,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:50,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:30:50,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:50,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:30:50,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:30:50,766 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:50,827 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2024-11-17 04:30:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:30:50,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2024-11-17 04:30:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:50,829 INFO L225 Difference]: With dead ends: 123 [2024-11-17 04:30:50,829 INFO L226 Difference]: Without dead ends: 122 [2024-11-17 04:30:50,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:30:50,829 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:50,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 221 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:50,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-17 04:30:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-17 04:30:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 114 states have internal predecessors, (116), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2024-11-17 04:30:50,833 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 43 [2024-11-17 04:30:50,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:50,834 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2024-11-17 04:30:50,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2024-11-17 04:30:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:30:50,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:50,835 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:50,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:30:50,835 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:50,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1420716196, now seen corresponding path program 1 times [2024-11-17 04:30:50,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:50,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809660098] [2024-11-17 04:30:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:30:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61817319] [2024-11-17 04:30:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:50,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:50,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:50,849 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) [2024-11-17 04:30:50,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:30:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:50,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 04:30:50,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:50,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:30:50,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:50,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809660098] [2024-11-17 04:30:50,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:30:50,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61817319] [2024-11-17 04:30:50,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61817319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:50,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:50,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:50,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39077148] [2024-11-17 04:30:50,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:50,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:30:50,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:50,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:30:50,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:50,908 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:50,962 INFO L93 Difference]: Finished difference Result 160 states and 172 transitions. [2024-11-17 04:30:50,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:30:50,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2024-11-17 04:30:50,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:50,964 INFO L225 Difference]: With dead ends: 160 [2024-11-17 04:30:50,964 INFO L226 Difference]: Without dead ends: 159 [2024-11-17 04:30:50,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:50,965 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 35 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:50,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 197 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:30:50,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-17 04:30:50,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 123. [2024-11-17 04:30:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.4625) internal successors, (117), 115 states have internal predecessors, (117), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 127 transitions. [2024-11-17 04:30:50,971 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 127 transitions. Word has length 44 [2024-11-17 04:30:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:50,971 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 127 transitions. [2024-11-17 04:30:50,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2024-11-17 04:30:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:30:50,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:50,974 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:50,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:30:51,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:51,174 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:51,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:51,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1092529057, now seen corresponding path program 1 times [2024-11-17 04:30:51,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:51,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280334235] [2024-11-17 04:30:51,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:30:51,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280334235] [2024-11-17 04:30:51,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280334235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713091307] [2024-11-17 04:30:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:51,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:51,327 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) [2024-11-17 04:30:51,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:30:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:51,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:30:51,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:51,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:30:51,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713091307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:51,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:30:51,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-17 04:30:51,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840398975] [2024-11-17 04:30:51,708 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:30:51,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:30:51,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:51,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:30:51,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:30:51,709 INFO L87 Difference]: Start difference. First operand 123 states and 127 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:30:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:51,927 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2024-11-17 04:30:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:30:51,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 45 [2024-11-17 04:30:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:51,929 INFO L225 Difference]: With dead ends: 160 [2024-11-17 04:30:51,929 INFO L226 Difference]: Without dead ends: 159 [2024-11-17 04:30:51,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:30:51,930 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 346 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:51,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 518 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:30:51,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-17 04:30:51,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 124. [2024-11-17 04:30:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:30:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2024-11-17 04:30:51,937 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 45 [2024-11-17 04:30:51,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:51,938 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 128 transitions. [2024-11-17 04:30:51,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:30:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2024-11-17 04:30:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:30:51,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:51,939 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:51,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:30:52,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 04:30:52,141 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:52,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1948401731, now seen corresponding path program 1 times [2024-11-17 04:30:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:52,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169591292] [2024-11-17 04:30:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:30:52,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343527420] [2024-11-17 04:30:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:52,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:52,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:52,159 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) [2024-11-17 04:30:52,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:30:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:52,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:30:52,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:52,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:30:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:30:52,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:52,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169591292] [2024-11-17 04:30:52,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:30:52,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343527420] [2024-11-17 04:30:52,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343527420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:30:52,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:30:52,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 04:30:52,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915489073] [2024-11-17 04:30:52,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:30:52,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:30:52,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:52,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:30:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:30:52,460 INFO L87 Difference]: Start difference. First operand 124 states and 128 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:30:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:53,252 INFO L93 Difference]: Finished difference Result 206 states and 230 transitions. [2024-11-17 04:30:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:30:53,252 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 47 [2024-11-17 04:30:53,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:53,253 INFO L225 Difference]: With dead ends: 206 [2024-11-17 04:30:53,253 INFO L226 Difference]: Without dead ends: 191 [2024-11-17 04:30:53,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:30:53,254 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 124 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:53,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 330 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:30:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-17 04:30:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-17 04:30:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 138 states have (on average 1.3985507246376812) internal successors, (193), 164 states have internal predecessors, (193), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:30:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2024-11-17 04:30:53,260 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 47 [2024-11-17 04:30:53,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:53,260 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2024-11-17 04:30:53,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:30:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2024-11-17 04:30:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:30:53,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:53,261 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:53,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:30:53,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:53,466 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:53,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:53,466 INFO L85 PathProgramCache]: Analyzing trace with hash 191679259, now seen corresponding path program 1 times [2024-11-17 04:30:53,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:53,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134731040] [2024-11-17 04:30:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:53,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:30:53,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926967458] [2024-11-17 04:30:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:53,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:53,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:53,476 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) [2024-11-17 04:30:53,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:30:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:30:53,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:53,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:30:53,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:53,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134731040] [2024-11-17 04:30:53,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:30:53,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926967458] [2024-11-17 04:30:53,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926967458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:53,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:53,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:30:53,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265614938] [2024-11-17 04:30:53,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:53,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:30:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:53,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:30:53,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:53,528 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:53,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:53,611 INFO L93 Difference]: Finished difference Result 297 states and 361 transitions. [2024-11-17 04:30:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:30:53,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2024-11-17 04:30:53,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:53,613 INFO L225 Difference]: With dead ends: 297 [2024-11-17 04:30:53,613 INFO L226 Difference]: Without dead ends: 268 [2024-11-17 04:30:53,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:30:53,614 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:53,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 147 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-17 04:30:53,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 258. [2024-11-17 04:30:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 221 states have (on average 1.3529411764705883) internal successors, (299), 247 states have internal predecessors, (299), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 315 transitions. [2024-11-17 04:30:53,623 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 315 transitions. Word has length 49 [2024-11-17 04:30:53,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:53,624 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 315 transitions. [2024-11-17 04:30:53,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:30:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 315 transitions. [2024-11-17 04:30:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:30:53,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:53,625 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:53,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:30:53,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:53,826 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:53,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash 33624038, now seen corresponding path program 1 times [2024-11-17 04:30:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:53,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701733945] [2024-11-17 04:30:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:53,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:53,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701733945] [2024-11-17 04:30:53,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701733945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:53,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:53,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:30:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060873171] [2024-11-17 04:30:53,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:53,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:30:53,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:53,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:30:53,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:30:53,890 INFO L87 Difference]: Start difference. First operand 258 states and 315 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-17 04:30:53,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:53,979 INFO L93 Difference]: Finished difference Result 269 states and 318 transitions. [2024-11-17 04:30:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:30:53,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 67 [2024-11-17 04:30:53,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:53,981 INFO L225 Difference]: With dead ends: 269 [2024-11-17 04:30:53,981 INFO L226 Difference]: Without dead ends: 268 [2024-11-17 04:30:53,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:30:53,981 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 37 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:53,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 183 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-17 04:30:53,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 258. [2024-11-17 04:30:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 221 states have (on average 1.3438914027149322) internal successors, (297), 247 states have internal predecessors, (297), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 313 transitions. [2024-11-17 04:30:53,989 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 313 transitions. Word has length 67 [2024-11-17 04:30:53,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:53,989 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 313 transitions. [2024-11-17 04:30:53,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-17 04:30:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2024-11-17 04:30:53,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:30:53,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:53,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:53,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:30:53,990 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:53,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash 33624079, now seen corresponding path program 1 times [2024-11-17 04:30:53,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:53,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157905299] [2024-11-17 04:30:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:54,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157905299] [2024-11-17 04:30:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157905299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:54,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:54,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:30:54,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723989098] [2024-11-17 04:30:54,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:54,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:30:54,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:30:54,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:54,072 INFO L87 Difference]: Start difference. First operand 258 states and 313 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-17 04:30:54,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:54,170 INFO L93 Difference]: Finished difference Result 258 states and 313 transitions. [2024-11-17 04:30:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:30:54,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 67 [2024-11-17 04:30:54,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:54,172 INFO L225 Difference]: With dead ends: 258 [2024-11-17 04:30:54,172 INFO L226 Difference]: Without dead ends: 257 [2024-11-17 04:30:54,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:30:54,173 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 110 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:54,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 189 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:54,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-17 04:30:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-17 04:30:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 221 states have (on average 1.3257918552036199) internal successors, (293), 246 states have internal predecessors, (293), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 309 transitions. [2024-11-17 04:30:54,183 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 309 transitions. Word has length 67 [2024-11-17 04:30:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:54,184 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 309 transitions. [2024-11-17 04:30:54,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-17 04:30:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2024-11-17 04:30:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:30:54,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:54,185 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:54,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:30:54,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:54,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1042345190, now seen corresponding path program 1 times [2024-11-17 04:30:54,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:54,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075277172] [2024-11-17 04:30:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:54,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075277172] [2024-11-17 04:30:54,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075277172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:54,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:54,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:30:54,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802860792] [2024-11-17 04:30:54,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:54,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:30:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:30:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:54,255 INFO L87 Difference]: Start difference. First operand 257 states and 309 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-17 04:30:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:54,403 INFO L93 Difference]: Finished difference Result 263 states and 312 transitions. [2024-11-17 04:30:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:30:54,403 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), 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 68 [2024-11-17 04:30:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:54,404 INFO L225 Difference]: With dead ends: 263 [2024-11-17 04:30:54,404 INFO L226 Difference]: Without dead ends: 262 [2024-11-17 04:30:54,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:30:54,405 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:54,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 180 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:54,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-17 04:30:54,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 257. [2024-11-17 04:30:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 221 states have (on average 1.3167420814479638) internal successors, (291), 246 states have internal predecessors, (291), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 307 transitions. [2024-11-17 04:30:54,413 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 307 transitions. Word has length 68 [2024-11-17 04:30:54,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:54,413 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 307 transitions. [2024-11-17 04:30:54,413 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), 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) [2024-11-17 04:30:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 307 transitions. [2024-11-17 04:30:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:30:54,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:54,414 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:54,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:30:54,414 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:54,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1042346471, now seen corresponding path program 1 times [2024-11-17 04:30:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604125856] [2024-11-17 04:30:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:54,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604125856] [2024-11-17 04:30:54,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604125856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:54,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:54,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:30:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251852448] [2024-11-17 04:30:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:54,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:30:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:30:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:30:54,468 INFO L87 Difference]: Start difference. First operand 257 states and 307 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-17 04:30:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:54,558 INFO L93 Difference]: Finished difference Result 269 states and 319 transitions. [2024-11-17 04:30:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:30:54,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 68 [2024-11-17 04:30:54,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:54,560 INFO L225 Difference]: With dead ends: 269 [2024-11-17 04:30:54,560 INFO L226 Difference]: Without dead ends: 268 [2024-11-17 04:30:54,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:54,560 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:54,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 182 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-17 04:30:54,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 256. [2024-11-17 04:30:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 221 states have (on average 1.2986425339366516) internal successors, (287), 245 states have internal predecessors, (287), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 303 transitions. [2024-11-17 04:30:54,568 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 303 transitions. Word has length 68 [2024-11-17 04:30:54,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:54,569 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 303 transitions. [2024-11-17 04:30:54,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-17 04:30:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 303 transitions. [2024-11-17 04:30:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:30:54,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:54,570 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:54,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:30:54,571 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:54,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:54,572 INFO L85 PathProgramCache]: Analyzing trace with hash -583895041, now seen corresponding path program 1 times [2024-11-17 04:30:54,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500746080] [2024-11-17 04:30:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:54,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500746080] [2024-11-17 04:30:54,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500746080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:54,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011370766] [2024-11-17 04:30:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:54,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:54,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:54,668 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) [2024-11-17 04:30:54,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:30:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:54,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:30:54,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:30:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:30:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:54,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011370766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:30:54,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:30:54,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-17 04:30:54,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452180569] [2024-11-17 04:30:54,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:30:54,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:30:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:54,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:30:54,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:30:54,925 INFO L87 Difference]: Start difference. First operand 256 states and 303 transitions. Second operand has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:30:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:55,358 INFO L93 Difference]: Finished difference Result 332 states and 401 transitions. [2024-11-17 04:30:55,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:30:55,359 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 75 [2024-11-17 04:30:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:55,360 INFO L225 Difference]: With dead ends: 332 [2024-11-17 04:30:55,360 INFO L226 Difference]: Without dead ends: 330 [2024-11-17 04:30:55,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:30:55,361 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 397 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:55,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 302 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:30:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-17 04:30:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 271. [2024-11-17 04:30:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 236 states have (on average 1.2838983050847457) internal successors, (303), 260 states have internal predecessors, (303), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 319 transitions. [2024-11-17 04:30:55,370 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 319 transitions. Word has length 75 [2024-11-17 04:30:55,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:55,370 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 319 transitions. [2024-11-17 04:30:55,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:30:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 319 transitions. [2024-11-17 04:30:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:30:55,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:55,371 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:55,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:30:55,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:30:55,573 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:55,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:55,574 INFO L85 PathProgramCache]: Analyzing trace with hash -845922978, now seen corresponding path program 1 times [2024-11-17 04:30:55,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:55,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304973794] [2024-11-17 04:30:55,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:55,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:55,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:55,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304973794] [2024-11-17 04:30:55,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304973794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:30:55,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:30:55,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:30:55,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082467686] [2024-11-17 04:30:55,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:30:55,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:30:55,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:30:55,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:30:55,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:30:55,645 INFO L87 Difference]: Start difference. First operand 271 states and 319 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-17 04:30:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:30:55,734 INFO L93 Difference]: Finished difference Result 273 states and 323 transitions. [2024-11-17 04:30:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:30:55,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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 75 [2024-11-17 04:30:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:30:55,735 INFO L225 Difference]: With dead ends: 273 [2024-11-17 04:30:55,735 INFO L226 Difference]: Without dead ends: 272 [2024-11-17 04:30:55,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:30:55,736 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 40 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:30:55,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 243 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:30:55,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-17 04:30:55,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 267. [2024-11-17 04:30:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 233 states have (on average 1.2703862660944205) internal successors, (296), 256 states have internal predecessors, (296), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:30:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 312 transitions. [2024-11-17 04:30:55,745 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 312 transitions. Word has length 75 [2024-11-17 04:30:55,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:30:55,746 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 312 transitions. [2024-11-17 04:30:55,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-17 04:30:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 312 transitions. [2024-11-17 04:30:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:30:55,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:30:55,746 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:30:55,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:30:55,747 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:30:55,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:30:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash -920877024, now seen corresponding path program 1 times [2024-11-17 04:30:55,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:30:55,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902301817] [2024-11-17 04:30:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:30:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:30:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:30:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:30:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:30:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:30:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:30:55,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:30:55,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902301817] [2024-11-17 04:30:55,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902301817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:30:55,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838957095] [2024-11-17 04:30:55,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:30:55,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:30:55,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:30:55,814 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) [2024-11-17 04:30:55,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:30:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:30:55,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:30:55,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:31:07,767 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_48| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_48| |v_ULTIMATE.start_main_~R~0#1_48|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-17 04:31:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 4 not checked. [2024-11-17 04:31:07,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:31:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:31:07,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838957095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:31:07,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:31:07,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-17 04:31:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841939220] [2024-11-17 04:31:07,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:31:07,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:31:07,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:31:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:31:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182 [2024-11-17 04:31:07,907 INFO L87 Difference]: Start difference. First operand 267 states and 312 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:31:11,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:18,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:19,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:23,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:27,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:28,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:29,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:30,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:40,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:49,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:51,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:55,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:31:56,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:02,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:03,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:08,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:12,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:13,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:14,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:15,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:16,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:17,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:18,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:22,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:25,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:26,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:27,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:29,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:32:33,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]