./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/geo1-ll2_unwindbound2.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 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:41:52,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:41:52,505 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:41:52,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:41:52,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:41:52,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:41:52,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:41:52,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:41:52,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:41:52,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:41:52,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:41:52,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:41:52,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:41:52,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:41:52,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:41:52,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:41:52,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:41:52,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:41:52,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:41:52,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:41:52,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:41:52,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:41:52,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:41:52,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:41:52,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:41:52,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:41:52,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:41:52,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:41:52,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:41:52,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:41:52,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:41:52,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:41:52,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:41:52,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:41:52,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:41:52,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:41:52,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:41:52,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:41:52,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:41:52,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:41:52,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:41:52,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:41:52,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:41:52,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:41:52,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e [2024-11-22 22:41:52,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:41:52,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:41:52,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:41:52,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:41:52,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:41:52,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound2.c [2024-11-22 22:41:53,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:41:54,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:41:54,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound2.c [2024-11-22 22:41:54,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136b9b086/27777d61e8ca486c8db7ef1d500ac261/FLAGcecc8c5b9 [2024-11-22 22:41:54,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/136b9b086/27777d61e8ca486c8db7ef1d500ac261 [2024-11-22 22:41:54,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:41:54,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:41:54,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:41:54,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:41:54,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:41:54,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464402be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54, skipping insertion in model container [2024-11-22 22:41:54,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:41:54,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:41:54,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:41:54,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:41:54,335 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:41:54,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54 WrapperNode [2024-11-22 22:41:54,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:41:54,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:41:54,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:41:54,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:41:54,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,360 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-22 22:41:54,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:41:54,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:41:54,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:41:54,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:41:54,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,378 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]. [2024-11-22 22:41:54,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:41:54,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:41:54,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:41:54,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:41:54,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (1/1) ... [2024-11-22 22:41:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:41:54,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:54,414 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) [2024-11-22 22:41:54,416 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 [2024-11-22 22:41:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:41:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:41:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:41:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:41:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:41:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:41:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:41:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:41:54,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:41:54,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:41:54,794 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-22 22:41:54,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:41:54,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:41:54,819 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:41:54,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:54 BoogieIcfgContainer [2024-11-22 22:41:54,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:41:54,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:41:54,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:41:54,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:41:54,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:41:54" (1/3) ... [2024-11-22 22:41:54,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b2711e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:41:54, skipping insertion in model container [2024-11-22 22:41:54,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:41:54" (2/3) ... [2024-11-22 22:41:54,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b2711e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:41:54, skipping insertion in model container [2024-11-22 22:41:54,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:54" (3/3) ... [2024-11-22 22:41:54,841 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll2_unwindbound2.c [2024-11-22 22:41:54,855 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:41:54,855 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-22 22:41:54,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:41:54,903 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;@42af381b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:41:54,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-22 22:41:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 69 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:41:54,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:54,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:54,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:54,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:54,916 INFO L85 PathProgramCache]: Analyzing trace with hash -456886977, now seen corresponding path program 1 times [2024-11-22 22:41:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:54,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167742760] [2024-11-22 22:41:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:41:55,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:55,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167742760] [2024-11-22 22:41:55,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167742760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:41:55,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263558698] [2024-11-22 22:41:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:55,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:55,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:55,058 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) [2024-11-22 22:41:55,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:41:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:55,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:41:55,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:41:55,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:41:55,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263558698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:55,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:41:55,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:41:55,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447256133] [2024-11-22 22:41:55,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:55,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:41:55,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:55,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:41:55,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:41:55,137 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 69 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:41:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:55,152 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2024-11-22 22:41:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:41:55,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 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 15 [2024-11-22 22:41:55,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:55,158 INFO L225 Difference]: With dead ends: 148 [2024-11-22 22:41:55,158 INFO L226 Difference]: Without dead ends: 69 [2024-11-22 22:41:55,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:41:55,165 INFO L432 NwaCegarLoop]: 78 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, 78 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 [2024-11-22 22:41:55,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:41:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-22 22:41:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-22 22:41:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 63 states have internal predecessors, (65), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2024-11-22 22:41:55,195 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 15 [2024-11-22 22:41:55,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:55,196 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2024-11-22 22:41:55,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:41:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2024-11-22 22:41:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:41:55,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:55,197 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:55,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:41:55,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:41:55,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash 301435903, now seen corresponding path program 1 times [2024-11-22 22:41:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020949909] [2024-11-22 22:41:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:55,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:55,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020949909] [2024-11-22 22:41:55,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020949909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:55,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:55,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:55,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056417952] [2024-11-22 22:41:55,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:55,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:55,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:55,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:55,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:55,501 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:55,538 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2024-11-22 22:41:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:41:55,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-22 22:41:55,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:55,540 INFO L225 Difference]: With dead ends: 69 [2024-11-22 22:41:55,540 INFO L226 Difference]: Without dead ends: 68 [2024-11-22 22:41:55,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:55,541 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 66 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:55,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:41:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-22 22:41:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-22 22:41:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 62 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2024-11-22 22:41:55,546 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 15 [2024-11-22 22:41:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:55,547 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2024-11-22 22:41:55,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2024-11-22 22:41:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:41:55,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:55,548 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:55,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:41:55,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:55,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash 754578445, now seen corresponding path program 1 times [2024-11-22 22:41:55,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:55,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926467387] [2024-11-22 22:41:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:55,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926467387] [2024-11-22 22:41:55,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926467387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:55,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:55,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:55,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089027237] [2024-11-22 22:41:55,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:55,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:55,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:55,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:55,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:55,624 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:55,652 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2024-11-22 22:41:55,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:41:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-22 22:41:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:55,653 INFO L225 Difference]: With dead ends: 89 [2024-11-22 22:41:55,653 INFO L226 Difference]: Without dead ends: 72 [2024-11-22 22:41:55,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:55,654 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 8 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:55,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 186 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:41:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-22 22:41:55,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-22 22:41:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.619047619047619) internal successors, (68), 66 states have internal predecessors, (68), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-11-22 22:41:55,665 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 16 [2024-11-22 22:41:55,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:55,665 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-11-22 22:41:55,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-11-22 22:41:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:41:55,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:55,666 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:55,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:41:55,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:55,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash -699585809, now seen corresponding path program 1 times [2024-11-22 22:41:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:55,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621323075] [2024-11-22 22:41:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:55,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:41:55,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48616053] [2024-11-22 22:41:55,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:55,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:55,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:55,699 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) [2024-11-22 22:41:55,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:41:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:55,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:41:55,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:55,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:41:55,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:55,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621323075] [2024-11-22 22:41:55,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:41:55,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48616053] [2024-11-22 22:41:55,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48616053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:55,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:55,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:55,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020530306] [2024-11-22 22:41:55,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:55,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:55,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:55,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:55,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:55,814 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:55,925 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2024-11-22 22:41:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:41:55,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-22 22:41:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:55,926 INFO L225 Difference]: With dead ends: 99 [2024-11-22 22:41:55,926 INFO L226 Difference]: Without dead ends: 94 [2024-11-22 22:41:55,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:55,927 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 70 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:55,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 62 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-22 22:41:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-11-22 22:41:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.6440677966101696) internal successors, (97), 83 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions. [2024-11-22 22:41:55,937 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 18 [2024-11-22 22:41:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:55,937 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions. [2024-11-22 22:41:55,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2024-11-22 22:41:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:41:55,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:55,938 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:55,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:41:56,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-22 22:41:56,142 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:56,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash -212323546, now seen corresponding path program 1 times [2024-11-22 22:41:56,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:56,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343428819] [2024-11-22 22:41:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:41:56,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949827157] [2024-11-22 22:41:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:56,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:56,174 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) [2024-11-22 22:41:56,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:41:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:56,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:41:56,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:56,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:41:56,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:56,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343428819] [2024-11-22 22:41:56,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:41:56,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949827157] [2024-11-22 22:41:56,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949827157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:56,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:56,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:56,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279137471] [2024-11-22 22:41:56,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:56,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:56,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:56,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:56,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:56,252 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:56,354 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2024-11-22 22:41:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:41:56,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-22 22:41:56,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:56,355 INFO L225 Difference]: With dead ends: 99 [2024-11-22 22:41:56,356 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 22:41:56,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:56,359 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 68 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:56,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 62 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:56,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 22:41:56,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-22 22:41:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 84 states have internal predecessors, (94), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2024-11-22 22:41:56,369 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 19 [2024-11-22 22:41:56,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:56,369 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2024-11-22 22:41:56,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2024-11-22 22:41:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:41:56,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:56,370 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:56,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 22:41:56,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:56,574 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:56,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:56,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1156122803, now seen corresponding path program 1 times [2024-11-22 22:41:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628220038] [2024-11-22 22:41:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:41:56,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253312625] [2024-11-22 22:41:56,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:56,587 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) [2024-11-22 22:41:56,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:41:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:56,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:41:56,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:56,679 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:41:56,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:56,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628220038] [2024-11-22 22:41:56,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:41:56,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253312625] [2024-11-22 22:41:56,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253312625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:56,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:56,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:41:56,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442520254] [2024-11-22 22:41:56,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:56,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:41:56,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:56,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:41:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:41:56,683 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:56,794 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2024-11-22 22:41:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:41:56,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-22 22:41:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:56,796 INFO L225 Difference]: With dead ends: 95 [2024-11-22 22:41:56,796 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 22:41:56,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:41:56,797 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:56,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 22:41:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-22 22:41:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 84 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2024-11-22 22:41:56,805 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 22 [2024-11-22 22:41:56,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:56,805 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2024-11-22 22:41:56,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2024-11-22 22:41:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:41:56,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:56,806 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:56,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:41:57,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:57,011 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:57,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:57,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1480068586, now seen corresponding path program 1 times [2024-11-22 22:41:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:57,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173549377] [2024-11-22 22:41:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:57,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:57,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173549377] [2024-11-22 22:41:57,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173549377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:41:57,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9888517] [2024-11-22 22:41:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:57,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:57,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:57,165 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) [2024-11-22 22:41:57,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:41:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:57,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:41:57,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:57,255 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:41:57,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9888517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:57,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:41:57,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-22 22:41:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129941819] [2024-11-22 22:41:57,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:57,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:41:57,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:57,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:41:57,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:41:57,257 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:57,348 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2024-11-22 22:41:57,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:41:57,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-22 22:41:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:57,349 INFO L225 Difference]: With dead ends: 95 [2024-11-22 22:41:57,349 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 22:41:57,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:41:57,350 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:57,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 22:41:57,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-22 22:41:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 84 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2024-11-22 22:41:57,356 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 23 [2024-11-22 22:41:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:57,356 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2024-11-22 22:41:57,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:41:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-22 22:41:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 22:41:57,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:57,357 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:57,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:41:57,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:57,558 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:57,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash 941106146, now seen corresponding path program 1 times [2024-11-22 22:41:57,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:57,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517808706] [2024-11-22 22:41:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:57,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:57,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517808706] [2024-11-22 22:41:57,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517808706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:41:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408832485] [2024-11-22 22:41:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:57,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:57,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:57,646 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) [2024-11-22 22:41:57,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:41:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:57,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:41:57,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:57,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:41:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:57,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408832485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:41:57,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:41:57,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:41:57,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97375741] [2024-11-22 22:41:57,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:41:57,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:41:57,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:57,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:41:57,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:41:57,785 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:41:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:57,858 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2024-11-22 22:41:57,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:41:57,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 32 [2024-11-22 22:41:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:57,859 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:41:57,860 INFO L226 Difference]: Without dead ends: 90 [2024-11-22 22:41:57,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:41:57,861 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 89 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 [2024-11-22 22:41:57,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 89 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:57,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-22 22:41:57,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-22 22:41:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 83 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-11-22 22:41:57,870 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 32 [2024-11-22 22:41:57,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:57,871 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-22 22:41:57,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:41:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-11-22 22:41:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 22:41:57,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:57,871 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:57,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:41:58,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:58,073 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:58,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:58,073 INFO L85 PathProgramCache]: Analyzing trace with hash 941106189, now seen corresponding path program 1 times [2024-11-22 22:41:58,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:58,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997660991] [2024-11-22 22:41:58,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:58,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:58,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997660991] [2024-11-22 22:41:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997660991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:58,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:58,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:41:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841638510] [2024-11-22 22:41:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:58,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:41:58,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:58,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:41:58,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:41:58,112 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:58,123 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2024-11-22 22:41:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:41:58,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-22 22:41:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:58,124 INFO L225 Difference]: With dead ends: 92 [2024-11-22 22:41:58,124 INFO L226 Difference]: Without dead ends: 90 [2024-11-22 22:41:58,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:41:58,125 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:58,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:41:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-22 22:41:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-22 22:41:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 83 states have internal predecessors, (86), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2024-11-22 22:41:58,129 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 32 [2024-11-22 22:41:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:58,130 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2024-11-22 22:41:58,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2024-11-22 22:41:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:41:58,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:58,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:58,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:41:58,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:58,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1709937254, now seen corresponding path program 1 times [2024-11-22 22:41:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:58,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209719035] [2024-11-22 22:41:58,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:58,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:58,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209719035] [2024-11-22 22:41:58,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209719035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:58,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:58,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:41:58,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109056275] [2024-11-22 22:41:58,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:58,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:41:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:58,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:41:58,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:58,188 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:58,269 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2024-11-22 22:41:58,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:41:58,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-22 22:41:58,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:58,270 INFO L225 Difference]: With dead ends: 123 [2024-11-22 22:41:58,270 INFO L226 Difference]: Without dead ends: 122 [2024-11-22 22:41:58,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:58,271 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 51 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 85 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 [2024-11-22 22:41:58,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 85 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:58,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-22 22:41:58,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 91. [2024-11-22 22:41:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.403225806451613) internal successors, (87), 84 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2024-11-22 22:41:58,280 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 36 [2024-11-22 22:41:58,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:58,281 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2024-11-22 22:41:58,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2024-11-22 22:41:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:41:58,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:58,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:58,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:41:58,284 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:58,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1468447424, now seen corresponding path program 1 times [2024-11-22 22:41:58,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:58,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767556254] [2024-11-22 22:41:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:58,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:58,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767556254] [2024-11-22 22:41:58,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767556254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:58,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:58,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:41:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228990555] [2024-11-22 22:41:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:58,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:41:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:58,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:41:58,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:58,329 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:58,465 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2024-11-22 22:41:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:41:58,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-22 22:41:58,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:58,466 INFO L225 Difference]: With dead ends: 93 [2024-11-22 22:41:58,466 INFO L226 Difference]: Without dead ends: 92 [2024-11-22 22:41:58,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:41:58,467 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 8 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:58,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 103 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:58,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-22 22:41:58,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-22 22:41:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 85 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2024-11-22 22:41:58,471 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 37 [2024-11-22 22:41:58,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:58,471 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2024-11-22 22:41:58,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2024-11-22 22:41:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:41:58,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:58,472 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:58,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:41:58,472 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:58,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:58,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1722770008, now seen corresponding path program 1 times [2024-11-22 22:41:58,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:58,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556910676] [2024-11-22 22:41:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:58,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:58,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556910676] [2024-11-22 22:41:58,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556910676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:58,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:58,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991196038] [2024-11-22 22:41:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:58,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:58,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:58,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:58,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:58,510 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:58,669 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-11-22 22:41:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:41:58,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-22 22:41:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:58,670 INFO L225 Difference]: With dead ends: 101 [2024-11-22 22:41:58,671 INFO L226 Difference]: Without dead ends: 99 [2024-11-22 22:41:58,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:58,671 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:58,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 83 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:41:58,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-22 22:41:58,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-11-22 22:41:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.4) internal successors, (98), 91 states have internal predecessors, (98), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2024-11-22 22:41:58,677 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 38 [2024-11-22 22:41:58,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:58,677 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2024-11-22 22:41:58,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2024-11-22 22:41:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:41:58,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:58,678 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:58,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:41:58,682 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:58,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:58,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1518064243, now seen corresponding path program 1 times [2024-11-22 22:41:58,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:58,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928938560] [2024-11-22 22:41:58,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:41:58,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564571146] [2024-11-22 22:41:58,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:58,698 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) [2024-11-22 22:41:58,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:41:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:58,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:41:58,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:58,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:41:58,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928938560] [2024-11-22 22:41:58,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:41:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564571146] [2024-11-22 22:41:58,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564571146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:41:58,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:41:58,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:41:58,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087893528] [2024-11-22 22:41:58,946 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:41:58,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:41:58,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:58,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:41:58,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:41:58,948 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:59,048 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2024-11-22 22:41:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:41:59,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2024-11-22 22:41:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:59,049 INFO L225 Difference]: With dead ends: 98 [2024-11-22 22:41:59,049 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 22:41:59,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:41:59,050 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 19 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:59,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 115 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 22:41:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-22 22:41:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 90 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2024-11-22 22:41:59,054 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 38 [2024-11-22 22:41:59,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:59,055 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2024-11-22 22:41:59,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2024-11-22 22:41:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:41:59,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:59,056 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:59,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:41:59,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:59,257 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1866262590, now seen corresponding path program 1 times [2024-11-22 22:41:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664453286] [2024-11-22 22:41:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:41:59,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664453286] [2024-11-22 22:41:59,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664453286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:41:59,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:41:59,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:41:59,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074964948] [2024-11-22 22:41:59,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:41:59,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:41:59,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:59,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:41:59,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:59,327 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:59,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:59,495 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2024-11-22 22:41:59,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:41:59,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-22 22:41:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:59,496 INFO L225 Difference]: With dead ends: 99 [2024-11-22 22:41:59,496 INFO L226 Difference]: Without dead ends: 90 [2024-11-22 22:41:59,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:41:59,497 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 19 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:59,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 85 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:41:59,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-22 22:41:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-22 22:41:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 83 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-11-22 22:41:59,501 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 39 [2024-11-22 22:41:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:59,501 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-22 22:41:59,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:41:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-11-22 22:41:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:41:59,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:59,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:41:59,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:41:59,503 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:41:59,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:41:59,503 INFO L85 PathProgramCache]: Analyzing trace with hash -184648636, now seen corresponding path program 1 times [2024-11-22 22:41:59,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:41:59,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407956777] [2024-11-22 22:41:59,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:59,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:41:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:41:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490944422] [2024-11-22 22:41:59,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:41:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:41:59,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:41:59,518 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) [2024-11-22 22:41:59,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:41:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:41:59,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:41:59,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:41:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:41:59,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:41:59,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:41:59,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407956777] [2024-11-22 22:41:59,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:41:59,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490944422] [2024-11-22 22:41:59,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490944422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:41:59,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:41:59,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:41:59,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984352431] [2024-11-22 22:41:59,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:41:59,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:41:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:41:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:41:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:41:59,905 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:59,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:41:59,991 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2024-11-22 22:41:59,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:41:59,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-11-22 22:41:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:41:59,992 INFO L225 Difference]: With dead ends: 93 [2024-11-22 22:41:59,992 INFO L226 Difference]: Without dead ends: 92 [2024-11-22 22:41:59,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:41:59,992 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 60 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:41:59,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 111 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:41:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-22 22:41:59,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-22 22:41:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 85 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:41:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-11-22 22:41:59,996 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 39 [2024-11-22 22:41:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:41:59,996 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-11-22 22:41:59,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:41:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-11-22 22:41:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:41:59,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:41:59,997 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:00,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:42:00,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:42:00,198 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:00,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash 985630886, now seen corresponding path program 1 times [2024-11-22 22:42:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:00,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082839222] [2024-11-22 22:42:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:00,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082839222] [2024-11-22 22:42:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082839222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507817573] [2024-11-22 22:42:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:00,255 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) [2024-11-22 22:42:00,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:42:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:00,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:42:00,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:00,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:42:00,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507817573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:42:00,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:42:00,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:42:00,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461067414] [2024-11-22 22:42:00,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:42:00,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:42:00,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:00,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:42:00,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:42:00,340 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:42:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:00,373 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-11-22 22:42:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:42:00,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-22 22:42:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:00,374 INFO L225 Difference]: With dead ends: 96 [2024-11-22 22:42:00,374 INFO L226 Difference]: Without dead ends: 95 [2024-11-22 22:42:00,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:42:00,374 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 37 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:00,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 211 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:42:00,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-22 22:42:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2024-11-22 22:42:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 84 states have internal predecessors, (89), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:42:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2024-11-22 22:42:00,380 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 42 [2024-11-22 22:42:00,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:00,380 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2024-11-22 22:42:00,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:42:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2024-11-22 22:42:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:42:00,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:00,381 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:00,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 22:42:00,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:42:00,582 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:00,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:00,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1996489400, now seen corresponding path program 1 times [2024-11-22 22:42:00,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:00,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163612719] [2024-11-22 22:42:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:00,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:42:00,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227856698] [2024-11-22 22:42:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:00,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:00,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:00,593 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:00,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:42:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:00,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:42:00,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:42:00,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:42:00,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:00,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163612719] [2024-11-22 22:42:00,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:42:00,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227856698] [2024-11-22 22:42:00,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227856698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:00,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:42:00,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:42:00,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586570099] [2024-11-22 22:42:00,874 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:42:00,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:42:00,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:00,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:42:00,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:42:00,876 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:42:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:00,981 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-22 22:42:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:42:00,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2024-11-22 22:42:00,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:00,982 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:42:00,982 INFO L226 Difference]: Without dead ends: 86 [2024-11-22 22:42:00,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:42:00,983 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:00,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 142 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:42:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-22 22:42:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-22 22:42:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 79 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:42:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-22 22:42:00,987 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 44 [2024-11-22 22:42:00,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:00,988 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-22 22:42:00,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:42:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-22 22:42:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:42:00,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:00,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:00,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:42:01,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 22:42:01,189 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:01,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:01,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1761629203, now seen corresponding path program 1 times [2024-11-22 22:42:01,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:01,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050832018] [2024-11-22 22:42:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:01,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:42:01,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929158624] [2024-11-22 22:42:01,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:01,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:01,199 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:01,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:42:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:01,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:42:01,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:42:01,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:42:01,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:01,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050832018] [2024-11-22 22:42:01,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:42:01,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929158624] [2024-11-22 22:42:01,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929158624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:01,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:42:01,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:42:01,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364978425] [2024-11-22 22:42:01,568 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:42:01,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:42:01,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:01,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:42:01,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:42:01,570 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:42:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:01,673 INFO L93 Difference]: Finished difference Result 121 states and 133 transitions. [2024-11-22 22:42:01,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:42:01,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-11-22 22:42:01,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:01,674 INFO L225 Difference]: With dead ends: 121 [2024-11-22 22:42:01,674 INFO L226 Difference]: Without dead ends: 116 [2024-11-22 22:42:01,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:42:01,675 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 78 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:01,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 127 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:42:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-22 22:42:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2024-11-22 22:42:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 106 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) [2024-11-22 22:42:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2024-11-22 22:42:01,680 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 45 [2024-11-22 22:42:01,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:01,680 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2024-11-22 22:42:01,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:42:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2024-11-22 22:42:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:42:01,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:01,681 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:01,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:42:01,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:42:01,882 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:01,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:01,882 INFO L85 PathProgramCache]: Analyzing trace with hash -508273865, now seen corresponding path program 1 times [2024-11-22 22:42:01,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:01,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309735008] [2024-11-22 22:42:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:01,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:01,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:01,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309735008] [2024-11-22 22:42:01,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309735008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:42:01,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:42:01,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:42:01,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337571067] [2024-11-22 22:42:01,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:42:01,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:42:01,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:42:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:42:01,910 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:42:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:01,995 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2024-11-22 22:42:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:42:01,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-22 22:42:01,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:01,996 INFO L225 Difference]: With dead ends: 114 [2024-11-22 22:42:01,996 INFO L226 Difference]: Without dead ends: 113 [2024-11-22 22:42:01,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:42:01,997 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:01,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 78 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:42:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-22 22:42:02,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-22 22:42:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.25) internal successors, (115), 105 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) [2024-11-22 22:42:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2024-11-22 22:42:02,001 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 48 [2024-11-22 22:42:02,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:02,001 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2024-11-22 22:42:02,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:42:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2024-11-22 22:42:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 22:42:02,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:02,002 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:02,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 22:42:02,002 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:02,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:02,002 INFO L85 PathProgramCache]: Analyzing trace with hash -490142068, now seen corresponding path program 1 times [2024-11-22 22:42:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:02,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900682364] [2024-11-22 22:42:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:42:02,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299035971] [2024-11-22 22:42:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:02,012 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:02,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:42:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:02,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:42:02,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:02,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:42:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:02,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:02,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900682364] [2024-11-22 22:42:02,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:42:02,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299035971] [2024-11-22 22:42:02,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299035971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:42:02,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:42:02,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-22 22:42:02,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148621406] [2024-11-22 22:42:02,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:42:02,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:42:02,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:42:02,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:42:02,271 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:42:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:02,581 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2024-11-22 22:42:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:42:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-11-22 22:42:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:02,582 INFO L225 Difference]: With dead ends: 133 [2024-11-22 22:42:02,582 INFO L226 Difference]: Without dead ends: 130 [2024-11-22 22:42:02,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:42:02,583 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 59 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:02,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 151 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:42:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-22 22:42:02,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2024-11-22 22:42:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.233009708737864) internal successors, (127), 116 states have internal predecessors, (127), 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) [2024-11-22 22:42:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 137 transitions. [2024-11-22 22:42:02,588 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 137 transitions. Word has length 48 [2024-11-22 22:42:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:02,588 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 137 transitions. [2024-11-22 22:42:02,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:42:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2024-11-22 22:42:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:42:02,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:02,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:02,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:42:02,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:02,789 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:02,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1423379471, now seen corresponding path program 1 times [2024-11-22 22:42:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506234862] [2024-11-22 22:42:02,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:02,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506234862] [2024-11-22 22:42:02,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506234862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575210353] [2024-11-22 22:42:02,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:02,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:02,839 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:02,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:42:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:02,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:42:02,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:02,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:42:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:42:02,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575210353] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:42:02,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:42:02,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-22 22:42:02,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519515414] [2024-11-22 22:42:02,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:42:02,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:42:02,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:02,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:42:02,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:42:02,951 INFO L87 Difference]: Start difference. First operand 124 states and 137 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:42:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:02,981 INFO L93 Difference]: Finished difference Result 135 states and 146 transitions. [2024-11-22 22:42:02,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:42:02,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-22 22:42:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:02,982 INFO L225 Difference]: With dead ends: 135 [2024-11-22 22:42:02,982 INFO L226 Difference]: Without dead ends: 124 [2024-11-22 22:42:02,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:42:02,982 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 5 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:02,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 250 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:42:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-22 22:42:02,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-22 22:42:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 102 states have (on average 1.2254901960784315) internal successors, (125), 115 states have internal predecessors, (125), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:42:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 135 transitions. [2024-11-22 22:42:02,987 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 135 transitions. Word has length 49 [2024-11-22 22:42:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:02,987 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 135 transitions. [2024-11-22 22:42:02,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 22:42:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 135 transitions. [2024-11-22 22:42:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:42:02,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:02,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:02,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:42:03,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 22:42:03,189 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:03,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2051316058, now seen corresponding path program 1 times [2024-11-22 22:42:03,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:03,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997742008] [2024-11-22 22:42:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:03,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:03,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:03,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997742008] [2024-11-22 22:42:03,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997742008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:03,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112228472] [2024-11-22 22:42:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:03,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:03,230 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:03,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:42:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:03,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:42:03,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:03,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:42:03,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112228472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:42:03,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:42:03,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:42:03,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761117994] [2024-11-22 22:42:03,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:42:03,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:42:03,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:03,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:42:03,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:42:03,297 INFO L87 Difference]: Start difference. First operand 124 states and 135 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:42:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:03,311 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-22 22:42:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:42:03,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2024-11-22 22:42:03,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:03,312 INFO L225 Difference]: With dead ends: 126 [2024-11-22 22:42:03,312 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 22:42:03,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:42:03,313 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 21 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:03,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 125 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:42:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 22:42:03,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-22 22:42:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 114 states have internal predecessors, (123), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:42:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2024-11-22 22:42:03,317 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 58 [2024-11-22 22:42:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:03,318 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2024-11-22 22:42:03,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:42:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2024-11-22 22:42:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 22:42:03,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:03,318 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:03,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:42:03,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:03,519 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:03,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:03,519 INFO L85 PathProgramCache]: Analyzing trace with hash 833711717, now seen corresponding path program 1 times [2024-11-22 22:42:03,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:03,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572352336] [2024-11-22 22:42:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:03,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:03,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572352336] [2024-11-22 22:42:03,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572352336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:03,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572813730] [2024-11-22 22:42:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:03,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:03,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:03,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:42:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:03,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:42:03,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:03,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:42:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:42:03,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572813730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:42:03,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:42:03,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:42:03,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279663565] [2024-11-22 22:42:03,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:42:03,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:42:03,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:03,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:42:03,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:42:03,682 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 22:42:03,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:03,711 INFO L93 Difference]: Finished difference Result 190 states and 201 transitions. [2024-11-22 22:42:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:42:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 59 [2024-11-22 22:42:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:03,712 INFO L225 Difference]: With dead ends: 190 [2024-11-22 22:42:03,712 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 22:42:03,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:42:03,713 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 43 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:03,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 260 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:42:03,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 22:42:03,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2024-11-22 22:42:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.255813953488372) internal successors, (162), 141 states have internal predecessors, (162), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:42:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2024-11-22 22:42:03,719 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 59 [2024-11-22 22:42:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:03,719 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2024-11-22 22:42:03,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-22 22:42:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2024-11-22 22:42:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:42:03,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:03,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:03,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:42:03,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:03,921 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:03,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1129173049, now seen corresponding path program 1 times [2024-11-22 22:42:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:03,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252868992] [2024-11-22 22:42:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:42:04,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:42:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252868992] [2024-11-22 22:42:04,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252868992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:42:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747381357] [2024-11-22 22:42:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:04,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:04,080 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:04,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:42:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:42:04,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:42:04,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:42:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:42:05,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:42:05,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747381357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:42:05,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:42:05,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-22 22:42:05,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315864155] [2024-11-22 22:42:05,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:42:05,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:42:05,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:42:05,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:42:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:42:05,685 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:42:09,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:42:13,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:42:15,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:42:15,058 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2024-11-22 22:42:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:42:15,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2024-11-22 22:42:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:42:15,060 INFO L225 Difference]: With dead ends: 154 [2024-11-22 22:42:15,060 INFO L226 Difference]: Without dead ends: 142 [2024-11-22 22:42:15,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:42:15,060 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 43 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:42:15,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 167 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-22 22:42:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-22 22:42:15,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-22 22:42:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 131 states have internal predecessors, (147), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:42:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 161 transitions. [2024-11-22 22:42:15,069 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 161 transitions. Word has length 63 [2024-11-22 22:42:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:42:15,070 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 161 transitions. [2024-11-22 22:42:15,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:42:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 161 transitions. [2024-11-22 22:42:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:42:15,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:42:15,070 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:15,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:42:15,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 22:42:15,271 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-22 22:42:15,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:42:15,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1121924213, now seen corresponding path program 1 times [2024-11-22 22:42:15,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:42:15,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190156386] [2024-11-22 22:42:15,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:15,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:42:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:42:15,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825261259] [2024-11-22 22:42:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:42:15,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:15,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:42:15,286 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:42:15,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:42:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:42:15,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 22:42:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:42:15,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 22:42:15,433 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 22:42:15,434 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2024-11-22 22:42:15,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2024-11-22 22:42:15,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2024-11-22 22:42:15,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2024-11-22 22:42:15,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2024-11-22 22:42:15,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2024-11-22 22:42:15,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2024-11-22 22:42:15,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2024-11-22 22:42:15,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:42:15,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:42:15,640 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:42:15,662 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:42:15,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:42:15 BoogieIcfgContainer [2024-11-22 22:42:15,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:42:15,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:42:15,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:42:15,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:42:15,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:41:54" (3/4) ... [2024-11-22 22:42:15,666 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 22:42:15,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:42:15,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:42:15,700 INFO L158 Benchmark]: Toolchain (without parser) took 21572.70ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 95.3MB in the beginning and 170.3MB in the end (delta: -75.0MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,700 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 151.0MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:42:15,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.84ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 82.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.33ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:42:15,700 INFO L158 Benchmark]: Boogie Preprocessor took 24.89ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,701 INFO L158 Benchmark]: RCFGBuilder took 433.54ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 120.3MB in the end (delta: -41.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,701 INFO L158 Benchmark]: TraceAbstraction took 20829.60ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 119.6MB in the beginning and 173.4MB in the end (delta: -53.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,701 INFO L158 Benchmark]: Witness Printer took 34.88ms. Allocated memory is still 257.9MB. Free memory was 173.4MB in the beginning and 170.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:42:15,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 151.0MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.84ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 82.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.33ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.89ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.54ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 120.3MB in the end (delta: -41.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20829.60ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 119.6MB in the beginning and 173.4MB in the end (delta: -53.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 34.88ms. Allocated memory is still 257.9MB. Free memory was 173.4MB in the beginning and 170.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 43]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L28] CALL assume_abort_if_not(z >= 1) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, counter=0] [L28] RET assume_abort_if_not(z >= 1) VAL [counter=0, k=3, z=2097153] [L29] CALL assume_abort_if_not(k >= 1) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, counter=0] [L29] RET assume_abort_if_not(k >= 1) VAL [counter=0, k=3, z=2097153] [L31] x = 1 [L32] y = z [L33] c = 1 VAL [c=1, counter=0, k=3, x=1, y=2097153, z=2097153] [L35] EXPR counter++ VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L35] COND TRUE counter++<2 [L36] EXPR x*z VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x - y VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x - y + 1 VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L38] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L41] EXPR c + 1 [L41] c = c + 1 VAL [c=2, counter=1, k=3, x=1, y=2097153, z=2097153] [L42] EXPR x * z VAL [c=2, counter=1, k=3, x=1, y=2097153, z=2097153] [L42] EXPR x * z + 1 [L42] x = x * z + 1 VAL [c=2, counter=1, k=3, x=2097154, y=2097153, z=2097153] [L43] EXPR y * z [L43] y = y * z VAL [c=2, counter=1, k=3, x=2097154, y=4398050705409, z=2097153] [L35] EXPR counter++ VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L35] COND TRUE counter++<2 [L36] EXPR x*z VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x - y VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x - y + 1 VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L38] COND FALSE !(!(c < k)) VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L41] EXPR c + 1 [L41] c = c + 1 VAL [c=3, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L42] EXPR x * z VAL [c=3, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L42] EXPR x * z + 1 [L42] x = x * z + 1 VAL [c=3, counter=2, k=3, x=4398052802563, y=4398050705409, z=2097153] [L43] y * z VAL [c=3, counter=2, k=3, x=4398052802563] - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 849 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 833 mSDsluCounter, 2973 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1846 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2131 IncrementalHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 1127 mSDtfsCounter, 2131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 944 GetRequests, 829 SyntacticMatches, 4 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=23, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 93 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1619 NumberOfCodeBlocks, 1619 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1368 ConstructedInterpolants, 20 QuantifiedInterpolants, 5045 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1406 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 36 InterpolantComputations, 16 PerfectInterpolantSequences, 176/329 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-22 22:42:15,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)