./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.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/mannadiv_unwindbound10.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 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:50:52,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:50:52,286 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:50:52,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:50:52,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:50:52,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:50:52,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:50:52,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:50:52,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:50:52,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:50:52,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:50:52,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:50:52,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:50:52,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:50:52,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:50:52,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:50:52,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:50:52,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:50:52,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:50:52,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:50:52,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:50:52,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:50:52,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:50:52,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:50:52,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:50:52,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:50:52,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:50:52,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:50:52,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:50:52,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:50:52,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:50:52,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:50:52,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:50:52,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:50:52,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:52,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:50:52,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:50:52,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:50:52,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:50:52,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:50:52,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:50:52,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:50:52,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:50:52,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:50:52,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a [2024-11-22 22:50:52,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:50:52,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:50:52,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:50:52,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:50:52,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:50:52,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2024-11-22 22:50:53,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:50:54,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:50:54,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2024-11-22 22:50:54,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa8c22c2/3c080a2f9a2c4da9a217fb674db9727b/FLAG1433df47d [2024-11-22 22:50:54,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa8c22c2/3c080a2f9a2c4da9a217fb674db9727b [2024-11-22 22:50:54,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:50:54,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:50:54,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:54,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:50:54,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:50:54,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f25f472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54, skipping insertion in model container [2024-11-22 22:50:54,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:50:54,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:54,220 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:50:54,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:50:54,242 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:50:54,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54 WrapperNode [2024-11-22 22:50:54,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:50:54,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:54,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:50:54,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:50:54,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,264 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-22 22:50:54,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:50:54,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:50:54,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:50:54,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:50:54,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,281 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 22:50:54,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:50:54,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:50:54,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:50:54,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:50:54,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (1/1) ... [2024-11-22 22:50:54,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:50:54,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:54,314 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 22:50:54,316 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 22:50:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:50:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:50:54,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:50:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:50:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:50:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:50:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:50:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:50:54,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:50:54,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:50:54,549 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-22 22:50:54,549 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:50:54,575 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:50:54,575 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:50:54,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:54 BoogieIcfgContainer [2024-11-22 22:50:54,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:50:54,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:50:54,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:50:54,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:50:54,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:50:54" (1/3) ... [2024-11-22 22:50:54,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6348dc23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:54, skipping insertion in model container [2024-11-22 22:50:54,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:54" (2/3) ... [2024-11-22 22:50:54,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6348dc23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:50:54, skipping insertion in model container [2024-11-22 22:50:54,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:54" (3/3) ... [2024-11-22 22:50:54,590 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound10.c [2024-11-22 22:50:54,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:50:54,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-22 22:50:54,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:50:54,729 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;@369b61b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:50:54,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-22 22:50:54,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 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 22:50:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:50:54,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:54,756 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:54,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:54,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:54,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2141166240, now seen corresponding path program 1 times [2024-11-22 22:50:54,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666265190] [2024-11-22 22:50:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:54,908 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 22:50:54,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:54,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666265190] [2024-11-22 22:50:54,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666265190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:54,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865136665] [2024-11-22 22:50:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:54,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:54,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:54,912 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 22:50:54,913 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 22:50:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:54,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:50:54,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:54,972 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 22:50:54,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:54,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865136665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:54,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:54,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:50:54,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396962834] [2024-11-22 22:50:54,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:54,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:50:54,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:50:55,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:50:55,022 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 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 22:50:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:55,056 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2024-11-22 22:50:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:50:55,060 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 22:50:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:55,065 INFO L225 Difference]: With dead ends: 134 [2024-11-22 22:50:55,066 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 22:50:55,068 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 22:50:55,070 INFO L432 NwaCegarLoop]: 72 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, 72 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 22:50:55,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 22:50:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-22 22:50:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.6857142857142857) internal successors, (59), 56 states have internal predecessors, (59), 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 22:50:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-22 22:50:55,099 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 15 [2024-11-22 22:50:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:55,100 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-22 22:50:55,100 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 22:50:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-22 22:50:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:50:55,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:55,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:55,108 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 22:50:55,302 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 22:50:55,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:55,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:55,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1382845121, now seen corresponding path program 1 times [2024-11-22 22:50:55,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:55,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931012208] [2024-11-22 22:50:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:55,398 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 22:50:55,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:55,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931012208] [2024-11-22 22:50:55,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931012208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:55,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:55,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894643648] [2024-11-22 22:50:55,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:55,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:55,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:55,401 INFO L87 Difference]: Start difference. First operand 62 states and 65 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 22:50:55,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:55,436 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2024-11-22 22:50:55,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:55,436 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 22:50:55,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:55,437 INFO L225 Difference]: With dead ends: 62 [2024-11-22 22:50:55,437 INFO L226 Difference]: Without dead ends: 61 [2024-11-22 22:50:55,437 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 22:50:55,438 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 60 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 115 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 22:50:55,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 115 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-22 22:50:55,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-22 22:50:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 55 states have internal predecessors, (58), 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 22:50:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-11-22 22:50:55,450 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 15 [2024-11-22 22:50:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:55,451 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-11-22 22:50:55,451 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 22:50:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-22 22:50:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:50:55,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:55,452 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:55,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:50:55,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:55,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:55,454 INFO L85 PathProgramCache]: Analyzing trace with hash 81474253, now seen corresponding path program 1 times [2024-11-22 22:50:55,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:55,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548014235] [2024-11-22 22:50:55,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:55,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:55,567 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 22:50:55,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:55,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548014235] [2024-11-22 22:50:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548014235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:55,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:55,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182031956] [2024-11-22 22:50:55,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:55,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:55,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:55,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:55,575 INFO L87 Difference]: Start difference. First operand 61 states and 64 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 22:50:55,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:55,598 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-22 22:50:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:50:55,598 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 22:50:55,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:55,599 INFO L225 Difference]: With dead ends: 74 [2024-11-22 22:50:55,599 INFO L226 Difference]: Without dead ends: 65 [2024-11-22 22:50:55,600 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 22:50:55,601 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 8 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 168 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 22:50:55,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 168 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:55,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-22 22:50:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-22 22:50:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 59 states have internal predecessors, (62), 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 22:50:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2024-11-22 22:50:55,607 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 16 [2024-11-22 22:50:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:55,607 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2024-11-22 22:50:55,607 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 22:50:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-11-22 22:50:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:50:55,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:55,608 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:55,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:50:55,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:55,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:55,609 INFO L85 PathProgramCache]: Analyzing trace with hash 987347375, now seen corresponding path program 1 times [2024-11-22 22:50:55,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:55,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193777018] [2024-11-22 22:50:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:50:55,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977983888] [2024-11-22 22:50:55,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:55,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:55,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:55,627 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 22:50:55,631 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 22:50:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:55,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:50:55,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:55,670 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 22:50:55,670 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:55,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:55,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193777018] [2024-11-22 22:50:55,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:50:55,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977983888] [2024-11-22 22:50:55,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977983888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:55,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:55,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:50:55,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638552164] [2024-11-22 22:50:55,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:55,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:50:55,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:55,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:50:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:50:55,674 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 22:50:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:55,730 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2024-11-22 22:50:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:50:55,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 22:50:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:55,731 INFO L225 Difference]: With dead ends: 103 [2024-11-22 22:50:55,731 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 22:50:55,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 22:50:55,732 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:55,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 86 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:55,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 22:50:55,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-11-22 22:50:55,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.6065573770491803) internal successors, (98), 81 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 22:50:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2024-11-22 22:50:55,740 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 106 transitions. Word has length 18 [2024-11-22 22:50:55,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:55,740 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 106 transitions. [2024-11-22 22:50:55,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 22:50:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2024-11-22 22:50:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 22:50:55,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:55,741 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:55,747 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 22:50:55,945 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 22:50:55,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:55,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:55,948 INFO L85 PathProgramCache]: Analyzing trace with hash -346943343, now seen corresponding path program 1 times [2024-11-22 22:50:55,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:55,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561531781] [2024-11-22 22:50:55,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:56,003 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 22:50:56,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:56,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561531781] [2024-11-22 22:50:56,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561531781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:56,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:56,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:56,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805803676] [2024-11-22 22:50:56,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:56,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:56,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:56,005 INFO L87 Difference]: Start difference. First operand 88 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:50:56,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:56,089 INFO L93 Difference]: Finished difference Result 137 states and 173 transitions. [2024-11-22 22:50:56,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20 [2024-11-22 22:50:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:56,091 INFO L225 Difference]: With dead ends: 137 [2024-11-22 22:50:56,091 INFO L226 Difference]: Without dead ends: 130 [2024-11-22 22:50:56,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:56,092 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:56,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:56,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-22 22:50:56,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2024-11-22 22:50:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.5578947368421052) internal successors, (148), 115 states have internal predecessors, (148), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:50:56,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2024-11-22 22:50:56,103 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 20 [2024-11-22 22:50:56,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:56,103 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2024-11-22 22:50:56,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 22:50:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2024-11-22 22:50:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 22:50:56,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:56,104 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:50:56,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:50:56,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:56,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2129658312, now seen corresponding path program 1 times [2024-11-22 22:50:56,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:56,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949024458] [2024-11-22 22:50:56,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:56,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:56,169 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 22:50:56,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:56,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949024458] [2024-11-22 22:50:56,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949024458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:56,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:56,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:56,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456459173] [2024-11-22 22:50:56,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:56,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:56,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:56,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:56,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:56,172 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22:50:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:56,296 INFO L93 Difference]: Finished difference Result 134 states and 163 transitions. [2024-11-22 22:50:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:56,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 21 [2024-11-22 22:50:56,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:56,299 INFO L225 Difference]: With dead ends: 134 [2024-11-22 22:50:56,299 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 22:50:56,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:56,300 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 28 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:56,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 120 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:56,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 22:50:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2024-11-22 22:50:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 111 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:50:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-11-22 22:50:56,308 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 21 [2024-11-22 22:50:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:56,309 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-11-22 22:50:56,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22:50:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-11-22 22:50:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-22 22:50:56,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:56,310 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 22:50:56,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:50:56,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:56,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1594898291, now seen corresponding path program 1 times [2024-11-22 22:50:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:56,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520396714] [2024-11-22 22:50:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:56,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:56,419 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 22:50:56,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520396714] [2024-11-22 22:50:56,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520396714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:56,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105315543] [2024-11-22 22:50:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:56,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:56,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:56,422 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 22:50:56,423 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 22:50:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:56,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:56,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:56,535 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 22:50:56,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105315543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:56,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:56,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:50:56,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282272658] [2024-11-22 22:50:56,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:56,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:56,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:56,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:56,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:56,537 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 22:50:56,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:56,618 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2024-11-22 22:50:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:56,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22:50:56,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:56,619 INFO L225 Difference]: With dead ends: 123 [2024-11-22 22:50:56,619 INFO L226 Difference]: Without dead ends: 122 [2024-11-22 22:50:56,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:50:56,620 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:56,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-22 22:50:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-22 22:50:56,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5164835164835164) internal successors, (138), 111 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:50:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-22 22:50:56,627 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 22 [2024-11-22 22:50:56,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:56,628 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-22 22:50:56,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22:50:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-22 22:50:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:50:56,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:56,628 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 22:50:56,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:50:56,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:56,829 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:56,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2097760470, now seen corresponding path program 1 times [2024-11-22 22:50:56,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301673926] [2024-11-22 22:50:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:50:56,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260367757] [2024-11-22 22:50:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:56,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:56,842 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 22:50:56,843 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 22:50:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:56,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:56,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:56,922 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 22:50:56,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:56,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:56,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301673926] [2024-11-22 22:50:56,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:50:56,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260367757] [2024-11-22 22:50:56,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260367757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:56,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:56,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:56,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126489262] [2024-11-22 22:50:56,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:56,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:56,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:56,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:56,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:56,924 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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 22:50:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:57,007 INFO L93 Difference]: Finished difference Result 121 states and 150 transitions. [2024-11-22 22:50:57,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:57,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 22:50:57,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:57,008 INFO L225 Difference]: With dead ends: 121 [2024-11-22 22:50:57,008 INFO L226 Difference]: Without dead ends: 120 [2024-11-22 22:50:57,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 22:50:57,009 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 73 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:57,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 79 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:57,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-22 22:50:57,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-22 22:50:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 111 states have internal predecessors, (137), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:50:57,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-22 22:50:57,016 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 23 [2024-11-22 22:50:57,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:57,016 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-22 22:50:57,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 22:50:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-22 22:50:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:50:57,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:57,017 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] [2024-11-22 22:50:57,023 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 22:50:57,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:57,222 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:57,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash 909892350, now seen corresponding path program 1 times [2024-11-22 22:50:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:57,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005454920] [2024-11-22 22:50:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:57,341 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 22:50:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005454920] [2024-11-22 22:50:57,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005454920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35374892] [2024-11-22 22:50:57,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:57,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:57,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:57,347 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 22:50:57,351 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 22:50:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:57,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:50:57,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:57,448 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 22:50:57,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:57,533 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 22:50:57,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35374892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:57,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:57,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-22 22:50:57,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293512453] [2024-11-22 22:50:57,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:57,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:50:57,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:57,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:50:57,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:57,536 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:50:57,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:57,618 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2024-11-22 22:50:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:50:57,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 35 [2024-11-22 22:50:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:57,619 INFO L225 Difference]: With dead ends: 190 [2024-11-22 22:50:57,619 INFO L226 Difference]: Without dead ends: 188 [2024-11-22 22:50:57,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:50:57,620 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 265 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:57,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 279 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-22 22:50:57,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 167. [2024-11-22 22:50:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 136 states have (on average 1.5073529411764706) internal successors, (205), 156 states have internal predecessors, (205), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:50:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2024-11-22 22:50:57,637 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 35 [2024-11-22 22:50:57,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:57,637 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2024-11-22 22:50:57,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:50:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2024-11-22 22:50:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:50:57,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:57,638 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 22:50:57,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:57,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:57,843 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:57,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:57,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1858108130, now seen corresponding path program 1 times [2024-11-22 22:50:57,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:57,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806866922] [2024-11-22 22:50:57,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:57,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:57,886 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 22:50:57,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:57,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806866922] [2024-11-22 22:50:57,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806866922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:57,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:50:57,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:50:57,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248018798] [2024-11-22 22:50:57,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:57,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:50:57,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:57,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:50:57,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:50:57,889 INFO L87 Difference]: Start difference. First operand 167 states and 221 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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 22:50:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:57,914 INFO L93 Difference]: Finished difference Result 177 states and 230 transitions. [2024-11-22 22:50:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:50:57,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 22:50:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:57,916 INFO L225 Difference]: With dead ends: 177 [2024-11-22 22:50:57,916 INFO L226 Difference]: Without dead ends: 175 [2024-11-22 22:50:57,917 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 22:50:57,918 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 78 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:57,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 78 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-22 22:50:57,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-11-22 22:50:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 154 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:50:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-22 22:50:57,928 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 36 [2024-11-22 22:50:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:57,930 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-22 22:50:57,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 22:50:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-22 22:50:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:50:57,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:57,931 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] [2024-11-22 22:50:57,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:50:57,932 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:57,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1360750196, now seen corresponding path program 1 times [2024-11-22 22:50:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928890330] [2024-11-22 22:50:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:58,029 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 22:50:58,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:58,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928890330] [2024-11-22 22:50:58,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928890330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:58,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300634577] [2024-11-22 22:50:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:58,033 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 22:50:58,038 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 22:50:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:58,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:50:58,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:58,152 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 22:50:58,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:50:58,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300634577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:50:58,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:58,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:50:58,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542931882] [2024-11-22 22:50:58,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:50:58,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:50:58,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:58,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:50:58,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:58,156 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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 22:50:58,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:58,202 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2024-11-22 22:50:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:50:58,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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 39 [2024-11-22 22:50:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:58,204 INFO L225 Difference]: With dead ends: 175 [2024-11-22 22:50:58,204 INFO L226 Difference]: Without dead ends: 174 [2024-11-22 22:50:58,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:50:58,205 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 187 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 22:50:58,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 187 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:58,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-22 22:50:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2024-11-22 22:50:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 136 states have (on average 1.4338235294117647) internal successors, (195), 153 states have internal predecessors, (195), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:50:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 211 transitions. [2024-11-22 22:50:58,214 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 211 transitions. Word has length 39 [2024-11-22 22:50:58,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:58,215 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 211 transitions. [2024-11-22 22:50:58,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (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 22:50:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2024-11-22 22:50:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:50:58,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:58,217 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] [2024-11-22 22:50:58,224 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 22:50:58,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:58,418 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:58,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:58,419 INFO L85 PathProgramCache]: Analyzing trace with hash 29303785, now seen corresponding path program 1 times [2024-11-22 22:50:58,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:58,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678220468] [2024-11-22 22:50:58,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:58,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:58,527 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 22:50:58,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678220468] [2024-11-22 22:50:58,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678220468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127995192] [2024-11-22 22:50:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:58,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:58,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:58,529 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 22:50:58,534 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 22:50:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:58,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:50:58,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:58,601 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 22:50:58,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:58,653 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 22:50:58,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127995192] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:50:58,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:50:58,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-22 22:50:58,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124377836] [2024-11-22 22:50:58,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:58,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:50:58,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:58,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:50:58,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:50:58,656 INFO L87 Difference]: Start difference. First operand 164 states and 211 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:50:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:58,733 INFO L93 Difference]: Finished difference Result 306 states and 363 transitions. [2024-11-22 22:50:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:50:58,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 41 [2024-11-22 22:50:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:58,735 INFO L225 Difference]: With dead ends: 306 [2024-11-22 22:50:58,735 INFO L226 Difference]: Without dead ends: 294 [2024-11-22 22:50:58,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:50:58,735 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 135 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:58,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 339 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:50:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-22 22:50:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 252. [2024-11-22 22:50:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 218 states have (on average 1.408256880733945) internal successors, (307), 235 states have internal predecessors, (307), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:50:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 329 transitions. [2024-11-22 22:50:58,761 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 329 transitions. Word has length 41 [2024-11-22 22:50:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:58,762 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 329 transitions. [2024-11-22 22:50:58,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:50:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 329 transitions. [2024-11-22 22:50:58,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:50:58,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:58,764 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] [2024-11-22 22:50:58,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:50:58,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:58,966 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:58,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:58,967 INFO L85 PathProgramCache]: Analyzing trace with hash 29303800, now seen corresponding path program 1 times [2024-11-22 22:50:58,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:58,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308304363] [2024-11-22 22:50:58,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:58,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:50:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850110752] [2024-11-22 22:50:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:58,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:58,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:58,979 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 22:50:58,979 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 22:50:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:59,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:59,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:50:59,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308304363] [2024-11-22 22:50:59,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:50:59,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850110752] [2024-11-22 22:50:59,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850110752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:59,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:59,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:50:59,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138881033] [2024-11-22 22:50:59,276 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:59,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:50:59,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:59,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:50:59,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:59,277 INFO L87 Difference]: Start difference. First operand 252 states and 329 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 22:50:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:50:59,366 INFO L93 Difference]: Finished difference Result 259 states and 332 transitions. [2024-11-22 22:50:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:50:59,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 41 [2024-11-22 22:50:59,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:50:59,367 INFO L225 Difference]: With dead ends: 259 [2024-11-22 22:50:59,368 INFO L226 Difference]: Without dead ends: 252 [2024-11-22 22:50:59,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:50:59,368 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:50:59,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 83 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:50:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-22 22:50:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 248. [2024-11-22 22:50:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 219 states have (on average 1.3059360730593608) internal successors, (286), 231 states have internal predecessors, (286), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:50:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 308 transitions. [2024-11-22 22:50:59,376 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 308 transitions. Word has length 41 [2024-11-22 22:50:59,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:50:59,376 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 308 transitions. [2024-11-22 22:50:59,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 22:50:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 308 transitions. [2024-11-22 22:50:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:50:59,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:50:59,377 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] [2024-11-22 22:50:59,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:50:59,577 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,SelfDestructingSolverStorable12 [2024-11-22 22:50:59,578 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:50:59,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:50:59,579 INFO L85 PathProgramCache]: Analyzing trace with hash 908417853, now seen corresponding path program 1 times [2024-11-22 22:50:59,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:50:59,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428854478] [2024-11-22 22:50:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:59,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:50:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:50:59,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86225335] [2024-11-22 22:50:59,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:50:59,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:50:59,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:50:59,589 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 22:50:59,590 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 22:50:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:50:59,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:50:59,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:50:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:50:59,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:50:59,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:50:59,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428854478] [2024-11-22 22:50:59,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:50:59,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86225335] [2024-11-22 22:50:59,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86225335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:50:59,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:50:59,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:50:59,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489641174] [2024-11-22 22:50:59,894 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:50:59,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:50:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:50:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:50:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:50:59,895 INFO L87 Difference]: Start difference. First operand 248 states and 308 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 22:51:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:00,005 INFO L93 Difference]: Finished difference Result 336 states and 416 transitions. [2024-11-22 22:51:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:51:00,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 42 [2024-11-22 22:51:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:00,006 INFO L225 Difference]: With dead ends: 336 [2024-11-22 22:51:00,006 INFO L226 Difference]: Without dead ends: 331 [2024-11-22 22:51:00,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:51:00,007 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 70 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:00,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 129 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:00,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-22 22:51:00,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 315. [2024-11-22 22:51:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 283 states have (on average 1.2862190812720848) internal successors, (364), 295 states have internal predecessors, (364), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 392 transitions. [2024-11-22 22:51:00,017 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 392 transitions. Word has length 42 [2024-11-22 22:51:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:00,018 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 392 transitions. [2024-11-22 22:51:00,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 22:51:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2024-11-22 22:51:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:51:00,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:00,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:00,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:51:00,222 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,SelfDestructingSolverStorable13 [2024-11-22 22:51:00,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:00,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 280756176, now seen corresponding path program 1 times [2024-11-22 22:51:00,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:00,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424166258] [2024-11-22 22:51:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:00,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:00,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424166258] [2024-11-22 22:51:00,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424166258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:00,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39209879] [2024-11-22 22:51:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:00,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:00,277 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 22:51:00,279 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 22:51:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:00,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:51:00,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:00,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:51:00,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39209879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:51:00,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:51:00,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-22 22:51:00,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532575644] [2024-11-22 22:51:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:51:00,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:51:00,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:00,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:51:00,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:51:00,398 INFO L87 Difference]: Start difference. First operand 315 states and 392 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 22:51:00,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:00,464 INFO L93 Difference]: Finished difference Result 315 states and 392 transitions. [2024-11-22 22:51:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:51:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 43 [2024-11-22 22:51:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:00,466 INFO L225 Difference]: With dead ends: 315 [2024-11-22 22:51:00,466 INFO L226 Difference]: Without dead ends: 313 [2024-11-22 22:51:00,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:51:00,466 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:00,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 70 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:00,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-22 22:51:00,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-22 22:51:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.275) internal successors, (357), 290 states have internal predecessors, (357), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 385 transitions. [2024-11-22 22:51:00,478 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 385 transitions. Word has length 43 [2024-11-22 22:51:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:00,478 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 385 transitions. [2024-11-22 22:51:00,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 22:51:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 385 transitions. [2024-11-22 22:51:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:51:00,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:00,483 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:00,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:00,683 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,SelfDestructingSolverStorable14 [2024-11-22 22:51:00,684 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:00,685 INFO L85 PathProgramCache]: Analyzing trace with hash 113506921, now seen corresponding path program 1 times [2024-11-22 22:51:00,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730313215] [2024-11-22 22:51:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:00,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:00,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730313215] [2024-11-22 22:51:00,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730313215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:00,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045737379] [2024-11-22 22:51:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:00,846 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 22:51:00,851 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 22:51:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:00,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:51:00,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:00,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:05,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045737379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:05,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:05,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-22 22:51:05,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452380577] [2024-11-22 22:51:05,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:05,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:51:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:51:05,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:51:05,185 INFO L87 Difference]: Start difference. First operand 310 states and 385 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:51:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:05,335 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2024-11-22 22:51:05,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:51:05,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-22 22:51:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:05,338 INFO L225 Difference]: With dead ends: 318 [2024-11-22 22:51:05,338 INFO L226 Difference]: Without dead ends: 310 [2024-11-22 22:51:05,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:51:05,339 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:05,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 164 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:05,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-22 22:51:05,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-22 22:51:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2607142857142857) internal successors, (353), 290 states have internal predecessors, (353), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 381 transitions. [2024-11-22 22:51:05,355 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 381 transitions. Word has length 44 [2024-11-22 22:51:05,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:05,356 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 381 transitions. [2024-11-22 22:51:05,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 22:51:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 381 transitions. [2024-11-22 22:51:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:51:05,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:05,357 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] [2024-11-22 22:51:05,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:51:05,560 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,SelfDestructingSolverStorable15 [2024-11-22 22:51:05,560 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:05,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:05,561 INFO L85 PathProgramCache]: Analyzing trace with hash -776252686, now seen corresponding path program 1 times [2024-11-22 22:51:05,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:05,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648691672] [2024-11-22 22:51:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:05,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:05,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:05,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648691672] [2024-11-22 22:51:05,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648691672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:51:05,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:51:05,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:51:05,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534328432] [2024-11-22 22:51:05,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:51:05,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:51:05,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:05,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:51:05,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:51:05,604 INFO L87 Difference]: Start difference. First operand 310 states and 381 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 22:51:05,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:05,692 INFO L93 Difference]: Finished difference Result 317 states and 388 transitions. [2024-11-22 22:51:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:51:05,693 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), 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 45 [2024-11-22 22:51:05,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:05,694 INFO L225 Difference]: With dead ends: 317 [2024-11-22 22:51:05,694 INFO L226 Difference]: Without dead ends: 316 [2024-11-22 22:51:05,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 22:51:05,695 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:05,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-22 22:51:05,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 310. [2024-11-22 22:51:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2392857142857143) internal successors, (347), 290 states have internal predecessors, (347), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-22 22:51:05,709 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 45 [2024-11-22 22:51:05,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:05,710 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-22 22:51:05,710 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), 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 22:51:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-22 22:51:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:51:05,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:05,710 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] [2024-11-22 22:51:05,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:51:05,710 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:05,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash 87381308, now seen corresponding path program 1 times [2024-11-22 22:51:05,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:05,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507103702] [2024-11-22 22:51:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:51:05,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:05,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507103702] [2024-11-22 22:51:05,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507103702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:05,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930786953] [2024-11-22 22:51:05,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:05,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:05,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:05,832 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 22:51:05,832 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 22:51:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:05,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:51:05,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:51:05,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:51:06,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930786953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:06,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:06,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-22 22:51:06,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100693515] [2024-11-22 22:51:06,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:06,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:51:06,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:06,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:51:06,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:51:06,146 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 22:51:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:06,462 INFO L93 Difference]: Finished difference Result 320 states and 382 transitions. [2024-11-22 22:51:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:51:06,463 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 22:51:06,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:06,465 INFO L225 Difference]: With dead ends: 320 [2024-11-22 22:51:06,465 INFO L226 Difference]: Without dead ends: 317 [2024-11-22 22:51:06,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:51:06,466 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 207 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:06,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 175 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-22 22:51:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 307. [2024-11-22 22:51:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.1892857142857143) internal successors, (333), 287 states have internal predecessors, (333), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2024-11-22 22:51:06,490 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 45 [2024-11-22 22:51:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:06,490 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2024-11-22 22:51:06,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 22:51:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2024-11-22 22:51:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:51:06,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:06,491 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:06,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:06,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:51:06,691 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:06,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:06,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1705970571, now seen corresponding path program 1 times [2024-11-22 22:51:06,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:06,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348742949] [2024-11-22 22:51:06,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348742949] [2024-11-22 22:51:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348742949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:51:06,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:51:06,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:51:06,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807286920] [2024-11-22 22:51:06,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:51:06,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:51:06,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:06,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:51:06,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:51:06,730 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 22:51:06,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:06,833 INFO L93 Difference]: Finished difference Result 314 states and 368 transitions. [2024-11-22 22:51:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:51:06,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 46 [2024-11-22 22:51:06,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:06,837 INFO L225 Difference]: With dead ends: 314 [2024-11-22 22:51:06,837 INFO L226 Difference]: Without dead ends: 313 [2024-11-22 22:51:06,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 22:51:06,838 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:06,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 76 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-22 22:51:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2024-11-22 22:51:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.167857142857143) internal successors, (327), 287 states have internal predecessors, (327), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:51:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 355 transitions. [2024-11-22 22:51:06,852 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 355 transitions. Word has length 46 [2024-11-22 22:51:06,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:06,852 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 355 transitions. [2024-11-22 22:51:06,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 22:51:06,852 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 355 transitions. [2024-11-22 22:51:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:51:06,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:06,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:06,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 22:51:06,853 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:06,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1586146687, now seen corresponding path program 1 times [2024-11-22 22:51:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412599924] [2024-11-22 22:51:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:06,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:51:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391605887] [2024-11-22 22:51:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:06,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:06,862 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 22:51:06,864 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 22:51:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:06,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 22:51:06,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:07,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:07,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:07,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412599924] [2024-11-22 22:51:07,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:07,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391605887] [2024-11-22 22:51:07,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391605887] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:07,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:07,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-22 22:51:07,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521375555] [2024-11-22 22:51:07,123 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:07,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:51:07,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:07,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:51:07,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:51:07,124 INFO L87 Difference]: Start difference. First operand 307 states and 355 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 22:51:07,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:07,343 INFO L93 Difference]: Finished difference Result 411 states and 473 transitions. [2024-11-22 22:51:07,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:51:07,344 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 46 [2024-11-22 22:51:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:07,345 INFO L225 Difference]: With dead ends: 411 [2024-11-22 22:51:07,345 INFO L226 Difference]: Without dead ends: 291 [2024-11-22 22:51:07,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:51:07,346 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 83 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:07,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 144 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:07,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-22 22:51:07,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2024-11-22 22:51:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 260 states have (on average 1.1384615384615384) internal successors, (296), 266 states have internal predecessors, (296), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:51:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 322 transitions. [2024-11-22 22:51:07,356 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 322 transitions. Word has length 46 [2024-11-22 22:51:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:07,356 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 322 transitions. [2024-11-22 22:51:07,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 22:51:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 322 transitions. [2024-11-22 22:51:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:51:07,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:07,357 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:07,367 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 22:51:07,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-22 22:51:07,562 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:07,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1884112250, now seen corresponding path program 2 times [2024-11-22 22:51:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:07,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157754031] [2024-11-22 22:51:07,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:07,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:07,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:51:07,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193018470] [2024-11-22 22:51:07,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:07,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:07,584 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 22:51:07,586 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 22:51:07,618 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:07,619 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:07,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:51:07,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:51:07,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:51:08,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:08,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157754031] [2024-11-22 22:51:08,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:08,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193018470] [2024-11-22 22:51:08,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193018470] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:08,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:08,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:51:08,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317832780] [2024-11-22 22:51:08,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:08,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:51:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:08,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:51:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:51:08,063 INFO L87 Difference]: Start difference. First operand 285 states and 322 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:51:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:08,416 INFO L93 Difference]: Finished difference Result 450 states and 525 transitions. [2024-11-22 22:51:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:51:08,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2024-11-22 22:51:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:08,418 INFO L225 Difference]: With dead ends: 450 [2024-11-22 22:51:08,418 INFO L226 Difference]: Without dead ends: 441 [2024-11-22 22:51:08,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:51:08,419 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 147 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:08,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 284 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:51:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-22 22:51:08,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 403. [2024-11-22 22:51:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1612903225806452) internal successors, (432), 378 states have internal predecessors, (432), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:51:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 470 transitions. [2024-11-22 22:51:08,435 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 470 transitions. Word has length 65 [2024-11-22 22:51:08,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:08,435 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 470 transitions. [2024-11-22 22:51:08,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:51:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 470 transitions. [2024-11-22 22:51:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 22:51:08,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:08,436 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:08,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:08,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:08,638 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:08,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:08,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1626594472, now seen corresponding path program 2 times [2024-11-22 22:51:08,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:08,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606433332] [2024-11-22 22:51:08,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:08,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:08,652 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:08,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:51:08,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606433332] [2024-11-22 22:51:08,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606433332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336296343] [2024-11-22 22:51:08,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:08,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:08,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:08,752 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 22:51:08,754 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 22:51:08,783 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:08,783 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:08,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:51:08,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:51:08,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:09,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336296343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:09,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:09,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-22 22:51:09,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205020758] [2024-11-22 22:51:09,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:09,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:51:09,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:09,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:51:09,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:51:09,010 INFO L87 Difference]: Start difference. First operand 403 states and 470 transitions. Second operand has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:51:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:09,193 INFO L93 Difference]: Finished difference Result 411 states and 474 transitions. [2024-11-22 22:51:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:51:09,194 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 67 [2024-11-22 22:51:09,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:09,195 INFO L225 Difference]: With dead ends: 411 [2024-11-22 22:51:09,195 INFO L226 Difference]: Without dead ends: 403 [2024-11-22 22:51:09,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:51:09,196 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:09,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 207 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-22 22:51:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-22 22:51:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1505376344086022) internal successors, (428), 378 states have internal predecessors, (428), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:51:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 466 transitions. [2024-11-22 22:51:09,210 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 466 transitions. Word has length 67 [2024-11-22 22:51:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:09,211 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 466 transitions. [2024-11-22 22:51:09,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:51:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 466 transitions. [2024-11-22 22:51:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:51:09,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:09,215 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:09,225 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 22:51:09,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:09,416 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:09,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1718084489, now seen corresponding path program 3 times [2024-11-22 22:51:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026740959] [2024-11-22 22:51:09,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:09,429 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:51:09,429 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:51:09,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:09,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026740959] [2024-11-22 22:51:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026740959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974926384] [2024-11-22 22:51:09,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:09,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:09,526 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 22:51:09,527 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 22:51:09,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:51:09,554 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:09,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:51:09,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:09,640 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-22 22:51:09,640 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:51:09,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974926384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:51:09,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:51:09,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-22 22:51:09,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230483840] [2024-11-22 22:51:09,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:51:09,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:51:09,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:51:09,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:51:09,643 INFO L87 Difference]: Start difference. First operand 403 states and 466 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 22:51:09,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:09,720 INFO L93 Difference]: Finished difference Result 411 states and 470 transitions. [2024-11-22 22:51:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:51:09,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 90 [2024-11-22 22:51:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:09,722 INFO L225 Difference]: With dead ends: 411 [2024-11-22 22:51:09,723 INFO L226 Difference]: Without dead ends: 404 [2024-11-22 22:51:09,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:51:09,724 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 30 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:09,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 97 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-22 22:51:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 394. [2024-11-22 22:51:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 363 states have (on average 1.140495867768595) internal successors, (414), 369 states have internal predecessors, (414), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:51:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 452 transitions. [2024-11-22 22:51:09,737 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 452 transitions. Word has length 90 [2024-11-22 22:51:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:09,738 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 452 transitions. [2024-11-22 22:51:09,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 22:51:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 452 transitions. [2024-11-22 22:51:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:51:09,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:09,739 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:09,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:09,939 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,SelfDestructingSolverStorable22 [2024-11-22 22:51:09,940 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:09,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash 938127955, now seen corresponding path program 1 times [2024-11-22 22:51:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:09,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821624531] [2024-11-22 22:51:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:51:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821624531] [2024-11-22 22:51:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821624531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519121677] [2024-11-22 22:51:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:10,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:10,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:10,071 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 22:51:10,075 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 22:51:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:10,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:51:10,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:51:10,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 22:51:10,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519121677] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:10,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:10,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-22 22:51:10,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258312030] [2024-11-22 22:51:10,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:10,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:51:10,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:10,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:51:10,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:51:10,337 INFO L87 Difference]: Start difference. First operand 394 states and 452 transitions. Second operand has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:51:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:10,747 INFO L93 Difference]: Finished difference Result 1083 states and 1271 transitions. [2024-11-22 22:51:10,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 22:51:10,748 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 90 [2024-11-22 22:51:10,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:10,751 INFO L225 Difference]: With dead ends: 1083 [2024-11-22 22:51:10,752 INFO L226 Difference]: Without dead ends: 1057 [2024-11-22 22:51:10,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:51:10,753 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 186 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:10,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 183 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:10,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-22 22:51:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 985. [2024-11-22 22:51:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 928 states have (on average 1.1174568965517242) internal successors, (1037), 934 states have internal predecessors, (1037), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-22 22:51:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1127 transitions. [2024-11-22 22:51:10,790 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1127 transitions. Word has length 90 [2024-11-22 22:51:10,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:10,790 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1127 transitions. [2024-11-22 22:51:10,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:51:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1127 transitions. [2024-11-22 22:51:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:51:10,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:10,791 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:10,802 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 22:51:10,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:10,993 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:10,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:10,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1915498629, now seen corresponding path program 1 times [2024-11-22 22:51:10,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:10,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967045657] [2024-11-22 22:51:10,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:11,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:11,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967045657] [2024-11-22 22:51:11,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967045657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:11,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369539092] [2024-11-22 22:51:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:11,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:11,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:11,050 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:11,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:51:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:11,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:51:11,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:11,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:11,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369539092] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:11,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:11,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 22:51:11,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971361429] [2024-11-22 22:51:11,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:11,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:51:11,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:11,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:51:11,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:51:11,247 INFO L87 Difference]: Start difference. First operand 985 states and 1127 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:11,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:11,437 INFO L93 Difference]: Finished difference Result 1843 states and 2204 transitions. [2024-11-22 22:51:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:51:11,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 100 [2024-11-22 22:51:11,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:11,442 INFO L225 Difference]: With dead ends: 1843 [2024-11-22 22:51:11,442 INFO L226 Difference]: Without dead ends: 1841 [2024-11-22 22:51:11,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:51:11,442 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:11,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 188 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:11,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-22 22:51:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2024-11-22 22:51:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1715 states have (on average 1.103790087463557) internal successors, (1893), 1720 states have internal predecessors, (1893), 87 states have call successors, (87), 5 states have call predecessors, (87), 5 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-22 22:51:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2067 transitions. [2024-11-22 22:51:11,507 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2067 transitions. Word has length 100 [2024-11-22 22:51:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:11,507 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2067 transitions. [2024-11-22 22:51:11,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2067 transitions. [2024-11-22 22:51:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 22:51:11,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:11,511 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:11,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:51:11,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:11,715 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:11,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1124255409, now seen corresponding path program 1 times [2024-11-22 22:51:11,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:11,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192604485] [2024-11-22 22:51:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:11,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 22:51:11,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:11,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192604485] [2024-11-22 22:51:11,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192604485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:11,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699575047] [2024-11-22 22:51:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:11,772 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:11,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:51:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:11,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:51:11,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:51:11,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 66 proven. 30 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 22:51:11,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699575047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:11,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:11,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-11-22 22:51:11,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377738477] [2024-11-22 22:51:11,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:11,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:51:11,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:51:11,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:51:11,968 INFO L87 Difference]: Start difference. First operand 1813 states and 2067 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-22 22:51:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:12,401 INFO L93 Difference]: Finished difference Result 2907 states and 3356 transitions. [2024-11-22 22:51:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:51:12,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 103 [2024-11-22 22:51:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:12,407 INFO L225 Difference]: With dead ends: 2907 [2024-11-22 22:51:12,408 INFO L226 Difference]: Without dead ends: 2354 [2024-11-22 22:51:12,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 197 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:51:12,411 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 116 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:12,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 334 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:51:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2024-11-22 22:51:12,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1956. [2024-11-22 22:51:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1850 states have (on average 1.1021621621621622) internal successors, (2039), 1855 states have internal predecessors, (2039), 95 states have call successors, (95), 5 states have call predecessors, (95), 5 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-22 22:51:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2229 transitions. [2024-11-22 22:51:12,480 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2229 transitions. Word has length 103 [2024-11-22 22:51:12,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:12,480 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2229 transitions. [2024-11-22 22:51:12,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-22 22:51:12,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2229 transitions. [2024-11-22 22:51:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 22:51:12,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:12,481 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:12,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:51:12,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:12,682 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:12,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1977386885, now seen corresponding path program 1 times [2024-11-22 22:51:12,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:12,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853566928] [2024-11-22 22:51:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:12,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:12,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853566928] [2024-11-22 22:51:12,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853566928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:12,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872363173] [2024-11-22 22:51:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:12,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:12,805 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:12,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:51:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:12,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:51:12,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:12,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:51:13,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872363173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:13,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:13,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 22:51:13,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537117693] [2024-11-22 22:51:13,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:13,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:51:13,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:13,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:51:13,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:51:13,037 INFO L87 Difference]: Start difference. First operand 1956 states and 2229 transitions. Second operand has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:13,278 INFO L93 Difference]: Finished difference Result 2895 states and 3350 transitions. [2024-11-22 22:51:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:51:13,278 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 103 [2024-11-22 22:51:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:13,285 INFO L225 Difference]: With dead ends: 2895 [2024-11-22 22:51:13,285 INFO L226 Difference]: Without dead ends: 2894 [2024-11-22 22:51:13,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:51:13,288 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 90 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:13,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 270 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2024-11-22 22:51:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2846. [2024-11-22 22:51:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2693 states have (on average 1.1188265874489418) internal successors, (3013), 2698 states have internal predecessors, (3013), 142 states have call successors, (142), 5 states have call predecessors, (142), 5 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-22 22:51:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3297 transitions. [2024-11-22 22:51:13,402 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3297 transitions. Word has length 103 [2024-11-22 22:51:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:13,402 INFO L471 AbstractCegarLoop]: Abstraction has 2846 states and 3297 transitions. [2024-11-22 22:51:13,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3297 transitions. [2024-11-22 22:51:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 22:51:13,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:13,404 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:13,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:13,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:51:13,604 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:13,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:13,605 INFO L85 PathProgramCache]: Analyzing trace with hash 195229521, now seen corresponding path program 1 times [2024-11-22 22:51:13,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:13,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727396423] [2024-11-22 22:51:13,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:13,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:51:13,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:13,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727396423] [2024-11-22 22:51:13,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727396423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:13,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769859188] [2024-11-22 22:51:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:13,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:13,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:13,718 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:13,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:51:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:13,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:51:13,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:51:13,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:51:14,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769859188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:14,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:14,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-22 22:51:14,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282302209] [2024-11-22 22:51:14,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:14,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:51:14,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:14,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:51:14,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:51:14,035 INFO L87 Difference]: Start difference. First operand 2846 states and 3297 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:14,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:14,479 INFO L93 Difference]: Finished difference Result 5713 states and 6731 transitions. [2024-11-22 22:51:14,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:51:14,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 134 [2024-11-22 22:51:14,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:14,491 INFO L225 Difference]: With dead ends: 5713 [2024-11-22 22:51:14,491 INFO L226 Difference]: Without dead ends: 4294 [2024-11-22 22:51:14,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:51:14,495 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 75 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:14,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:51:14,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2024-11-22 22:51:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3114. [2024-11-22 22:51:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2947 states have (on average 1.1153715643026807) internal successors, (3287), 2952 states have internal predecessors, (3287), 156 states have call successors, (156), 5 states have call predecessors, (156), 5 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-22 22:51:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3599 transitions. [2024-11-22 22:51:14,663 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3599 transitions. Word has length 134 [2024-11-22 22:51:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:14,664 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3599 transitions. [2024-11-22 22:51:14,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 22:51:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3599 transitions. [2024-11-22 22:51:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 22:51:14,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:14,666 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:14,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-22 22:51:14,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:51:14,866 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:14,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:14,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404516, now seen corresponding path program 2 times [2024-11-22 22:51:14,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:14,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557363900] [2024-11-22 22:51:14,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:14,877 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:14,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:51:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557363900] [2024-11-22 22:51:15,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557363900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332084222] [2024-11-22 22:51:15,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:15,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:15,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:15,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:51:15,234 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:15,234 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:15,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:51:15,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:51:15,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:51:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332084222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:15,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:15,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 16] total 23 [2024-11-22 22:51:15,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012581106] [2024-11-22 22:51:15,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:15,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 22:51:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:15,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 22:51:15,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:51:15,663 INFO L87 Difference]: Start difference. First operand 3114 states and 3599 transitions. Second operand has 23 states, 23 states have (on average 8.91304347826087) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-22 22:51:16,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:16,055 INFO L93 Difference]: Finished difference Result 4976 states and 5727 transitions. [2024-11-22 22:51:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 22:51:16,055 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.91304347826087) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 157 [2024-11-22 22:51:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:16,067 INFO L225 Difference]: With dead ends: 4976 [2024-11-22 22:51:16,068 INFO L226 Difference]: Without dead ends: 4968 [2024-11-22 22:51:16,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 300 SyntacticMatches, 8 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=528, Invalid=1112, Unknown=0, NotChecked=0, Total=1640 [2024-11-22 22:51:16,069 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 118 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:16,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 379 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4968 states. [2024-11-22 22:51:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 4909. [2024-11-22 22:51:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 4656 states have (on average 1.0914948453608246) internal successors, (5082), 4662 states have internal predecessors, (5082), 236 states have call successors, (236), 11 states have call predecessors, (236), 11 states have return successors, (236), 235 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-22 22:51:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 5554 transitions. [2024-11-22 22:51:16,240 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 5554 transitions. Word has length 157 [2024-11-22 22:51:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:16,241 INFO L471 AbstractCegarLoop]: Abstraction has 4909 states and 5554 transitions. [2024-11-22 22:51:16,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.91304347826087) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (21), 8 states have call predecessors, (21), 8 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-22 22:51:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 5554 transitions. [2024-11-22 22:51:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 22:51:16,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:16,248 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:16,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-22 22:51:16,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:51:16,452 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:16,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:16,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404934, now seen corresponding path program 1 times [2024-11-22 22:51:16,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:16,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476760520] [2024-11-22 22:51:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:51:16,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405240958] [2024-11-22 22:51:16,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:51:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:16,475 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:16,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:51:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:51:16,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-22 22:51:16,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:18,212 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-11-22 22:51:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 15 proven. 292 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 22:51:18,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:18,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:18,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476760520] [2024-11-22 22:51:18,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405240958] [2024-11-22 22:51:18,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405240958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:18,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:51:18,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-22 22:51:18,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891664650] [2024-11-22 22:51:18,644 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:18,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 22:51:18,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:18,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 22:51:18,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:51:18,646 INFO L87 Difference]: Start difference. First operand 4909 states and 5554 transitions. Second operand has 29 states, 27 states have (on average 4.777777777777778) internal successors, (129), 27 states have internal predecessors, (129), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:51:19,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:19,926 INFO L93 Difference]: Finished difference Result 6431 states and 7350 transitions. [2024-11-22 22:51:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:51:19,927 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 4.777777777777778) internal successors, (129), 27 states have internal predecessors, (129), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 157 [2024-11-22 22:51:19,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:19,949 INFO L225 Difference]: With dead ends: 6431 [2024-11-22 22:51:19,950 INFO L226 Difference]: Without dead ends: 5017 [2024-11-22 22:51:19,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=282, Invalid=1610, Unknown=0, NotChecked=0, Total=1892 [2024-11-22 22:51:19,954 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 161 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:19,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 962 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:51:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5017 states. [2024-11-22 22:51:20,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5017 to 4834. [2024-11-22 22:51:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4834 states, 4584 states have (on average 1.0914048865619546) internal successors, (5003), 4590 states have internal predecessors, (5003), 233 states have call successors, (233), 11 states have call predecessors, (233), 11 states have return successors, (233), 232 states have call predecessors, (233), 233 states have call successors, (233) [2024-11-22 22:51:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 5469 transitions. [2024-11-22 22:51:20,148 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 5469 transitions. Word has length 157 [2024-11-22 22:51:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:20,149 INFO L471 AbstractCegarLoop]: Abstraction has 4834 states and 5469 transitions. [2024-11-22 22:51:20,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 4.777777777777778) internal successors, (129), 27 states have internal predecessors, (129), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:51:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 5469 transitions. [2024-11-22 22:51:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 22:51:20,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:20,152 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:20,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:20,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:20,357 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:20,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:20,357 INFO L85 PathProgramCache]: Analyzing trace with hash -111175832, now seen corresponding path program 2 times [2024-11-22 22:51:20,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:20,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213482745] [2024-11-22 22:51:20,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:20,382 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:20,383 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:51:20,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201521179] [2024-11-22 22:51:20,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:20,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:20,386 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:20,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:51:20,434 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:20,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:20,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:51:20,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-22 22:51:20,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-22 22:51:21,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:21,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213482745] [2024-11-22 22:51:21,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:21,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201521179] [2024-11-22 22:51:21,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201521179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:21,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:21,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:51:21,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865061939] [2024-11-22 22:51:21,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:21,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:51:21,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:21,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:51:21,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:51:21,348 INFO L87 Difference]: Start difference. First operand 4834 states and 5469 transitions. Second operand has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-22 22:51:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:22,307 INFO L93 Difference]: Finished difference Result 6207 states and 7077 transitions. [2024-11-22 22:51:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-22 22:51:22,307 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 157 [2024-11-22 22:51:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:22,319 INFO L225 Difference]: With dead ends: 6207 [2024-11-22 22:51:22,319 INFO L226 Difference]: Without dead ends: 6185 [2024-11-22 22:51:22,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-22 22:51:22,321 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 306 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:22,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 609 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:51:22,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2024-11-22 22:51:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 6095. [2024-11-22 22:51:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6095 states, 5777 states have (on average 1.0972823264670244) internal successors, (6339), 5785 states have internal predecessors, (6339), 301 states have call successors, (301), 11 states have call predecessors, (301), 11 states have return successors, (301), 298 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-22 22:51:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6095 states to 6095 states and 6941 transitions. [2024-11-22 22:51:22,563 INFO L78 Accepts]: Start accepts. Automaton has 6095 states and 6941 transitions. Word has length 157 [2024-11-22 22:51:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:22,564 INFO L471 AbstractCegarLoop]: Abstraction has 6095 states and 6941 transitions. [2024-11-22 22:51:22,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-22 22:51:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6095 states and 6941 transitions. [2024-11-22 22:51:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 22:51:22,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:22,567 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:22,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-22 22:51:22,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:22,771 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:22,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1837625658, now seen corresponding path program 3 times [2024-11-22 22:51:22,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:22,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120956515] [2024-11-22 22:51:22,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:22,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:22,796 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-22 22:51:22,796 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:51:22,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255806722] [2024-11-22 22:51:22,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:22,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:22,802 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:22,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:51:22,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-22 22:51:22,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:22,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:51:22,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 131 proven. 8 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-22 22:51:22,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:22,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:22,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120956515] [2024-11-22 22:51:22,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:22,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255806722] [2024-11-22 22:51:22,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255806722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:22,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:51:22,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:51:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995526610] [2024-11-22 22:51:22,982 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:22,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:51:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:51:22,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:51:22,983 INFO L87 Difference]: Start difference. First operand 6095 states and 6941 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:51:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:23,181 INFO L93 Difference]: Finished difference Result 6878 states and 7858 transitions. [2024-11-22 22:51:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:51:23,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 157 [2024-11-22 22:51:23,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:23,187 INFO L225 Difference]: With dead ends: 6878 [2024-11-22 22:51:23,187 INFO L226 Difference]: Without dead ends: 4248 [2024-11-22 22:51:23,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:51:23,191 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:23,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 104 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4248 states. [2024-11-22 22:51:23,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4248 to 4235. [2024-11-22 22:51:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4235 states, 4002 states have (on average 1.104447776111944) internal successors, (4420), 4011 states have internal predecessors, (4420), 216 states have call successors, (216), 11 states have call predecessors, (216), 11 states have return successors, (216), 212 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-22 22:51:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 4235 states and 4852 transitions. [2024-11-22 22:51:23,318 INFO L78 Accepts]: Start accepts. Automaton has 4235 states and 4852 transitions. Word has length 157 [2024-11-22 22:51:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:23,318 INFO L471 AbstractCegarLoop]: Abstraction has 4235 states and 4852 transitions. [2024-11-22 22:51:23,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:51:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4235 states and 4852 transitions. [2024-11-22 22:51:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 22:51:23,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:23,321 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:23,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:23,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-22 22:51:23,522 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:23,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2333843, now seen corresponding path program 2 times [2024-11-22 22:51:23,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:23,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720071728] [2024-11-22 22:51:23,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:23,537 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:23,537 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 50 proven. 59 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-22 22:51:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:23,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720071728] [2024-11-22 22:51:23,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720071728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:23,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228071688] [2024-11-22 22:51:23,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:23,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:23,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:23,989 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:23,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:51:24,037 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:24,037 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:24,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:51:24,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-22 22:51:24,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-22 22:51:24,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228071688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:24,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:24,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 30 [2024-11-22 22:51:24,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300321662] [2024-11-22 22:51:24,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:24,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-22 22:51:24,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:24,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-22 22:51:24,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:51:24,609 INFO L87 Difference]: Start difference. First operand 4235 states and 4852 transitions. Second operand has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-22 22:51:27,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:27,657 INFO L93 Difference]: Finished difference Result 8598 states and 9879 transitions. [2024-11-22 22:51:27,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-22 22:51:27,658 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) Word has length 182 [2024-11-22 22:51:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:27,670 INFO L225 Difference]: With dead ends: 8598 [2024-11-22 22:51:27,670 INFO L226 Difference]: Without dead ends: 8576 [2024-11-22 22:51:27,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8092 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4760, Invalid=15262, Unknown=0, NotChecked=0, Total=20022 [2024-11-22 22:51:27,675 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1065 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:27,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 345 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:51:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8576 states. [2024-11-22 22:51:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8576 to 4069. [2024-11-22 22:51:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4069 states, 3838 states have (on average 1.040646169880146) internal successors, (3994), 3857 states have internal predecessors, (3994), 216 states have call successors, (216), 11 states have call predecessors, (216), 11 states have return successors, (216), 200 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-22 22:51:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 4426 transitions. [2024-11-22 22:51:27,869 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 4426 transitions. Word has length 182 [2024-11-22 22:51:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:27,870 INFO L471 AbstractCegarLoop]: Abstraction has 4069 states and 4426 transitions. [2024-11-22 22:51:27,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-22 22:51:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 4426 transitions. [2024-11-22 22:51:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-22 22:51:27,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:27,873 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:27,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:28,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-22 22:51:28,077 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:28,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:28,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1047457370, now seen corresponding path program 3 times [2024-11-22 22:51:28,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:28,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705096064] [2024-11-22 22:51:28,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:28,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-22 22:51:28,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 160 proven. 372 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-22 22:51:28,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705096064] [2024-11-22 22:51:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705096064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395294634] [2024-11-22 22:51:28,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:28,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:28,293 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:28,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:51:28,338 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-22 22:51:28,339 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:28,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:51:28,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-22 22:51:28,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:28,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395294634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:28,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:51:28,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2024-11-22 22:51:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900186051] [2024-11-22 22:51:28,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:28,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:51:28,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:28,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:51:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:51:28,933 INFO L87 Difference]: Start difference. First operand 4069 states and 4426 transitions. Second operand has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-22 22:51:30,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:30,363 INFO L93 Difference]: Finished difference Result 8224 states and 8987 transitions. [2024-11-22 22:51:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-22 22:51:30,365 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 203 [2024-11-22 22:51:30,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:30,375 INFO L225 Difference]: With dead ends: 8224 [2024-11-22 22:51:30,376 INFO L226 Difference]: Without dead ends: 6280 [2024-11-22 22:51:30,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=1493, Unknown=0, NotChecked=0, Total=1722 [2024-11-22 22:51:30,379 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 188 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 2735 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:30,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1838 Invalid, 2749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2735 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:51:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2024-11-22 22:51:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 5042. [2024-11-22 22:51:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5042 states, 4761 states have (on average 1.036756983826927) internal successors, (4936), 4777 states have internal predecessors, (4936), 266 states have call successors, (266), 11 states have call predecessors, (266), 11 states have return successors, (266), 253 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-22 22:51:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5042 states to 5042 states and 5468 transitions. [2024-11-22 22:51:30,585 INFO L78 Accepts]: Start accepts. Automaton has 5042 states and 5468 transitions. Word has length 203 [2024-11-22 22:51:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:30,587 INFO L471 AbstractCegarLoop]: Abstraction has 5042 states and 5468 transitions. [2024-11-22 22:51:30,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-22 22:51:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5042 states and 5468 transitions. [2024-11-22 22:51:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 22:51:30,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:30,590 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:30,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:30,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:30,796 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:30,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -295614854, now seen corresponding path program 2 times [2024-11-22 22:51:30,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:30,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776601865] [2024-11-22 22:51:30,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:30,812 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:30,812 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:30,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776601865] [2024-11-22 22:51:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776601865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219887407] [2024-11-22 22:51:30,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:30,991 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:30,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:51:31,047 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:31,047 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:31,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:51:31,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:31,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:31,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219887407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:31,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:31,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-22 22:51:31,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101217698] [2024-11-22 22:51:31,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:31,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:51:31,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:31,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:51:31,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:51:31,465 INFO L87 Difference]: Start difference. First operand 5042 states and 5468 transitions. Second operand has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-22 22:51:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:31,981 INFO L93 Difference]: Finished difference Result 8447 states and 9400 transitions. [2024-11-22 22:51:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:51:31,981 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 215 [2024-11-22 22:51:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:31,994 INFO L225 Difference]: With dead ends: 8447 [2024-11-22 22:51:31,995 INFO L226 Difference]: Without dead ends: 8446 [2024-11-22 22:51:31,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:51:31,997 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:31,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 276 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:32,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8446 states. [2024-11-22 22:51:32,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8446 to 8446. [2024-11-22 22:51:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8446 states, 7986 states have (on average 1.0430753819183571) internal successors, (8330), 8001 states have internal predecessors, (8330), 445 states have call successors, (445), 11 states have call predecessors, (445), 11 states have return successors, (445), 433 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-22 22:51:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8446 states to 8446 states and 9220 transitions. [2024-11-22 22:51:32,338 INFO L78 Accepts]: Start accepts. Automaton has 8446 states and 9220 transitions. Word has length 215 [2024-11-22 22:51:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:32,338 INFO L471 AbstractCegarLoop]: Abstraction has 8446 states and 9220 transitions. [2024-11-22 22:51:32,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-22 22:51:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8446 states and 9220 transitions. [2024-11-22 22:51:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-22 22:51:32,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:32,342 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:32,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:32,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:32,543 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:32,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:32,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1820811666, now seen corresponding path program 2 times [2024-11-22 22:51:32,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:32,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256222149] [2024-11-22 22:51:32,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:32,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:32,563 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:32,563 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:32,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:32,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256222149] [2024-11-22 22:51:32,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256222149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:32,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726221158] [2024-11-22 22:51:32,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:51:32,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:32,710 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:32,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:51:32,766 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:51:32,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:32,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:51:32,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:32,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:33,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726221158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:33,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:33,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-22 22:51:33,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784955894] [2024-11-22 22:51:33,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:33,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:51:33,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:33,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:51:33,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:51:33,168 INFO L87 Difference]: Start difference. First operand 8446 states and 9220 transitions. Second operand has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-22 22:51:33,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:33,773 INFO L93 Difference]: Finished difference Result 13414 states and 14718 transitions. [2024-11-22 22:51:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:51:33,774 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 218 [2024-11-22 22:51:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:33,793 INFO L225 Difference]: With dead ends: 13414 [2024-11-22 22:51:33,793 INFO L226 Difference]: Without dead ends: 13413 [2024-11-22 22:51:33,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:51:33,797 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 358 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:33,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 378 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:51:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13413 states. [2024-11-22 22:51:34,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13413 to 13363. [2024-11-22 22:51:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13363 states, 12644 states have (on average 1.0469788041758936) internal successors, (13238), 12658 states have internal predecessors, (13238), 704 states have call successors, (704), 11 states have call predecessors, (704), 11 states have return successors, (704), 693 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-22 22:51:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13363 states to 13363 states and 14646 transitions. [2024-11-22 22:51:34,324 INFO L78 Accepts]: Start accepts. Automaton has 13363 states and 14646 transitions. Word has length 218 [2024-11-22 22:51:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:34,324 INFO L471 AbstractCegarLoop]: Abstraction has 13363 states and 14646 transitions. [2024-11-22 22:51:34,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-22 22:51:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13363 states and 14646 transitions. [2024-11-22 22:51:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-22 22:51:34,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:34,328 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:34,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-22 22:51:34,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:34,531 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:34,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:34,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1266803891, now seen corresponding path program 4 times [2024-11-22 22:51:34,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:34,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177296982] [2024-11-22 22:51:34,532 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:51:34,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:34,562 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:51:34,562 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 166 proven. 516 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:34,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177296982] [2024-11-22 22:51:34,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177296982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:34,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119800301] [2024-11-22 22:51:34,774 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:51:34,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:34,775 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:34,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:51:34,831 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:51:34,832 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:34,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:51:34,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:35,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:51:35,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119800301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:35,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:35,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-22 22:51:35,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712641288] [2024-11-22 22:51:35,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:35,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:51:35,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:51:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:51:35,501 INFO L87 Difference]: Start difference. First operand 13363 states and 14646 transitions. Second operand has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-22 22:51:36,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:36,661 INFO L93 Difference]: Finished difference Result 27207 states and 29913 transitions. [2024-11-22 22:51:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:51:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 226 [2024-11-22 22:51:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:36,697 INFO L225 Difference]: With dead ends: 27207 [2024-11-22 22:51:36,697 INFO L226 Difference]: Without dead ends: 19607 [2024-11-22 22:51:36,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 437 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:51:36,708 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 63 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:36,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 623 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:51:36,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19607 states. [2024-11-22 22:51:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19607 to 13351. [2024-11-22 22:51:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13351 states, 12632 states have (on average 1.0450443318556049) internal successors, (13201), 12647 states have internal predecessors, (13201), 704 states have call successors, (704), 11 states have call predecessors, (704), 11 states have return successors, (704), 692 states have call predecessors, (704), 704 states have call successors, (704) [2024-11-22 22:51:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13351 states to 13351 states and 14609 transitions. [2024-11-22 22:51:37,310 INFO L78 Accepts]: Start accepts. Automaton has 13351 states and 14609 transitions. Word has length 226 [2024-11-22 22:51:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:37,310 INFO L471 AbstractCegarLoop]: Abstraction has 13351 states and 14609 transitions. [2024-11-22 22:51:37,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-22 22:51:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13351 states and 14609 transitions. [2024-11-22 22:51:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-22 22:51:37,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:37,314 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:37,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:37,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-22 22:51:37,515 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:37,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1469583004, now seen corresponding path program 3 times [2024-11-22 22:51:37,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:37,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737417870] [2024-11-22 22:51:37,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:37,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:51:37,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:51:37,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [570339895] [2024-11-22 22:51:37,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:51:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:37,552 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:37,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:51:37,615 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-22 22:51:37,615 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:37,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 22:51:37,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 657 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-22 22:51:37,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:38,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:38,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737417870] [2024-11-22 22:51:38,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:51:38,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570339895] [2024-11-22 22:51:38,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570339895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:38,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:51:38,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:51:38,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029993237] [2024-11-22 22:51:38,075 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:38,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:51:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:51:38,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:51:38,076 INFO L87 Difference]: Start difference. First operand 13351 states and 14609 transitions. Second operand has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:51:39,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:39,042 INFO L93 Difference]: Finished difference Result 20827 states and 22823 transitions. [2024-11-22 22:51:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 22:51:39,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 249 [2024-11-22 22:51:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:39,064 INFO L225 Difference]: With dead ends: 20827 [2024-11-22 22:51:39,064 INFO L226 Difference]: Without dead ends: 14428 [2024-11-22 22:51:39,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:51:39,074 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 155 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:39,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 670 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:51:39,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14428 states. [2024-11-22 22:51:39,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14428 to 13384. [2024-11-22 22:51:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13384 states, 12664 states have (on average 1.044930511686671) internal successors, (13233), 12678 states have internal predecessors, (13233), 705 states have call successors, (705), 11 states have call predecessors, (705), 11 states have return successors, (705), 694 states have call predecessors, (705), 705 states have call successors, (705) [2024-11-22 22:51:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13384 states to 13384 states and 14643 transitions. [2024-11-22 22:51:39,790 INFO L78 Accepts]: Start accepts. Automaton has 13384 states and 14643 transitions. Word has length 249 [2024-11-22 22:51:39,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:39,790 INFO L471 AbstractCegarLoop]: Abstraction has 13384 states and 14643 transitions. [2024-11-22 22:51:39,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-22 22:51:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 13384 states and 14643 transitions. [2024-11-22 22:51:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-22 22:51:39,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:51:39,796 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:39,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:51:40,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-22 22:51:40,001 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-22 22:51:40,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:51:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash 440859760, now seen corresponding path program 4 times [2024-11-22 22:51:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:51:40,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162699401] [2024-11-22 22:51:40,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:51:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:51:40,039 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:51:40,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 1168 proven. 54 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-22 22:51:41,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:51:41,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162699401] [2024-11-22 22:51:41,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162699401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:51:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037232201] [2024-11-22 22:51:41,101 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:51:41,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:51:41,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:51:41,104 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:51:41,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:51:41,188 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:51:41,189 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:51:41,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:51:41,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:51:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 1457 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 22:51:41,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:51:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 1197 proven. 10 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-22 22:51:41,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037232201] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:51:41,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:51:41,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 23, 24] total 39 [2024-11-22 22:51:41,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389002503] [2024-11-22 22:51:41,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:51:41,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-22 22:51:41,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:51:41,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-22 22:51:41,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1084, Unknown=0, NotChecked=0, Total=1482 [2024-11-22 22:51:41,832 INFO L87 Difference]: Start difference. First operand 13384 states and 14643 transitions. Second operand has 39 states, 39 states have (on average 7.6923076923076925) internal successors, (300), 39 states have internal predecessors, (300), 14 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) [2024-11-22 22:51:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:51:42,216 INFO L93 Difference]: Finished difference Result 13955 states and 15234 transitions. [2024-11-22 22:51:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-22 22:51:42,218 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 7.6923076923076925) internal successors, (300), 39 states have internal predecessors, (300), 14 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) Word has length 295 [2024-11-22 22:51:42,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:51:42,221 INFO L225 Difference]: With dead ends: 13955 [2024-11-22 22:51:42,222 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:51:42,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 567 SyntacticMatches, 21 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1796, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 22:51:42,234 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 86 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:51:42,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 2867 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:51:42,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:51:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:51:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:51:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:51:42,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 295 [2024-11-22 22:51:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:51:42,237 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:51:42,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.6923076923076925) internal successors, (300), 39 states have internal predecessors, (300), 14 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 14 states have call predecessors, (29), 14 states have call successors, (29) [2024-11-22 22:51:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:51:42,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:51:42,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-22 22:51:42,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-22 22:51:42,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-22 22:51:42,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-22 22:51:42,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-22 22:51:42,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-22 22:51:42,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-22 22:51:42,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:51:42,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:51:42,445 INFO L407 BasicCegarLoop]: Path program histogram: [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:51:42,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:51:52,890 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 704 DAG size of output: 740 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:52:03,177 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 740 DAG size of output: 240 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-22 22:52:03,197 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:52:03,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:52:03 BoogieIcfgContainer [2024-11-22 22:52:03,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:52:03,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:52:03,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:52:03,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:52:03,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:54" (3/4) ... [2024-11-22 22:52:03,326 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:52:03,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-22 22:52:03,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-22 22:52:03,332 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-22 22:52:03,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 22:52:03,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 22:52:03,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:52:03,418 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:52:03,418 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:52:03,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:52:03,419 INFO L158 Benchmark]: Toolchain (without parser) took 69391.74ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 82.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 634.8MB. Max. memory is 16.1GB. [2024-11-22 22:52:03,420 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:52:03,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.23ms. Allocated memory is still 153.1MB. Free memory was 81.7MB in the beginning and 120.7MB in the end (delta: -39.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-22 22:52:03,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.56ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:52:03,421 INFO L158 Benchmark]: Boogie Preprocessor took 22.96ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 117.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:52:03,421 INFO L158 Benchmark]: RCFGBuilder took 286.75ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 103.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 22:52:03,421 INFO L158 Benchmark]: TraceAbstraction took 68745.13ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 102.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-22 22:52:03,422 INFO L158 Benchmark]: Witness Printer took 96.29ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:52:03,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.23ms. Allocated memory is still 153.1MB. Free memory was 81.7MB in the beginning and 120.7MB in the end (delta: -39.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.56ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 119.9MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.96ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 117.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.75ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 103.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 68745.13ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 102.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 96.29ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 47.8s, OverallIterations: 39, TraceHistogramMax: 13, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4603 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4583 mSDsluCounter, 13613 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11318 mSDsCounter, 355 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13279 IncrementalHoareTripleChecker+Invalid, 13634 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 355 mSolverCounterUnsat, 2295 mSDtfsCounter, 13279 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6219 GetRequests, 5488 SyntacticMatches, 53 SemanticMatches, 678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11970 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13384occurred in iteration=38, InterpolantAutomatonStates: 578, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 39 MinimizatonAttempts, 15370 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 7043 NumberOfCodeBlocks, 6721 NumberOfCodeBlocksAsserted, 129 NumberOfCheckSat, 8222 ConstructedInterpolants, 7 QuantifiedInterpolants, 30552 SizeOfPredicates, 64 NumberOfNonLiveVariables, 5703 ConjunctsInSsa, 315 ConjunctsInUnsatCore, 78 InterpolantComputations, 14 PerfectInterpolantSequences, 9753/20846 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 - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= x1) && (counter <= 10)) && (2 == y1)) && (2 <= x2)) && (y2 <= 5)) && (9 <= counter)) && (x2 <= 3)) && ((((long long) y2 + y3) + ((long long) 2 * x2)) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3)) || ((((((((0 <= x1) && (2 == y1)) && (2 == x2)) && (counter == 4)) && (y2 == 0)) && (x1 <= ((long long) y3 + 4))) && (y3 <= 2147483643)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 4)) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (x2 <= 715827882)) && (x1 <= ((long long) y3 + 4))) && (3 <= x2)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((2 == y2) && (counter == 5)) && (y1 == 1)) && (3 == x2)) && (((long long) 5 + y3) == x1)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((x2 <= 2147483647) && (y2 == 0)) && (x1 == y3)) && (y1 == 0)) && (counter == 0)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter <= 10)) && (x2 == 1)) && (y2 == 0)) && (9 <= counter)) && (y1 <= 2147483638)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483645)) && (counter == 8)) && (2 == y2)) && (y1 == 1)) && (x2 <= 2147483644)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (x2 == 1)) && (y1 <= 7)) && (y2 == 0)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == y2)) && (y1 == 1)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (5 == x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter <= 10)) && (y2 == 0)) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (9 <= counter)) && (3 <= x2)) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == y1)) && (y2 == 0)) && (3 == x2)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (y3 <= 2147483641)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 8)) && (2 == x2)) && (y1 == 1)) && (y2 <= 6)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (4 <= y2)) && (((long long) y2 + y3) <= 2147483645)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 10)) && (y2 == 1)) && (3 <= x2)) && ((((long long) x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || (((((((x2 <= 2147483647) && (x1 == ((long long) y3 + 1))) && (y2 == 1)) && (y1 == 0)) && (x1 <= 2147483647)) && (counter == 1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 5)) && (y2 == 0)) && (x1 <= ((long long) 5 + y3))) && (y1 <= 5)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter <= 10)) && (y2 == 0)) && ((((long long) x2 * y1) + ((long long) 3 * x2)) <= 2147483647)) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (9 <= counter)) && (3 <= x2)) && (x1 <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 8)) && (y1 == 1)) && (3 == y2)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (5 == x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 3)) && (x2 == 1)) && (y2 == 0)) && (x1 <= ((long long) 3 + y3))) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter <= 10)) && (2 == y1)) && (2 <= x2)) && ((y3 + ((long long) 2 * x2)) <= 2147483644)) && (9 <= counter)) && (x2 <= 3)) && (3 == y2)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 <= 2147483647)) && (counter == 5)) && (y2 <= 5)) && (y1 == 0)) && (x1 <= ((long long) 5 + y3))) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 3)) && (x2 <= 2147483647)) && (y1 == 0)) && (3 == y2)) && (x1 <= ((long long) 3 + y3))) && (y3 <= 2147483644)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 8)) && (x2 <= 2147483647)) && (y1 == 0)) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (4 <= y2)) && (y2 <= 8)) && (0 <= y3))) || (((((((((0 <= x1) && (2 == y1)) && (counter == 8)) && (3 == x2)) && (y2 == 1)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (((long long) x2 + y3) <= 2147483646)) && (x2 <= 6)) && (y1 == 1)) && (y2 == 1)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 8)) && (y2 == 0)) && (y1 <= 8)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483645)) && (2 == y2)) && (x1 <= ((long long) 6 + y3))) && (y1 == 1)) && (x2 <= 5)) && (3 <= x2)) && (counter == 6)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (((long long) x2 + y3) <= 2147483644)) && (y1 == 1)) && (9 <= counter)) && (3 == y2)) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || (((((((((((0 <= x1) && (2 <= x2)) && (counter == 8)) && (y2 == 0)) && ((((long long) x2 * y1) + ((long long) 3 * x2)) <= 2147483647)) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (2 == y1)) && (2 == y2)) && (3 == x2)) && (9 <= counter)) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (0 <= y3))) || (((((((((((0 <= x1) && (y2 <= 5)) && (y1 == 1)) && (x2 <= 715827882)) && ((((long long) x2 + y2) + y3) <= 2147483647)) && (3 <= x2)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= ((long long) y3 + 2147483642))) && (4 <= y2)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (y2 == 4)) && (y1 == 1)) && (y3 <= 2147483638)) && (9 <= counter)) && (x1 <= 2147483647)) && (5 == x2)) && (0 <= y3))) || ((((((((0 <= x1) && (x1 <= ((long long) 6 + y3))) && (y1 == 1)) && (y2 == 1)) && (counter == 6)) && (5 == x2)) && (y3 <= 2147483641)) && (0 <= y3))) || ((((((((0 <= x1) && (x1 <= ((long long) 6 + y3))) && (2 == x2)) && (y2 == 0)) && (counter == 6)) && (3 == y1)) && (y3 <= 2147483641)) && (0 <= y3))) || ((((((((((0 <= x1) && (x1 <= ((long long) 6 + y3))) && (x2 <= 2147483647)) && (y1 == 0)) && (y2 <= 6)) && (counter == 6)) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (x2 == 1)) && (y2 == 0)) && (x1 <= ((long long) 2 + y3))) && (y3 <= 2147483645)) && (counter == 2)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == x2)) && (y2 == 1)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483640))) && (3 == y1)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 3)) && (2 == x2)) && (y1 == 1)) && (y2 == 1)) && (x1 <= ((long long) 3 + y3))) && (y3 <= 2147483644)) && (0 <= y3))) || (((((((counter == 3) && (y2 == 0)) && (y1 == 1)) && (3 == x2)) && (((long long) 3 + y3) == x1)) && (y3 <= 2147483644)) && (0 <= y3))) || ((((((((((0 <= x1) && (y2 == 4)) && (counter == 8)) && (y1 == 1)) && (x2 <= 715827882)) && (3 <= x2)) && (((long long) x2 + y3) <= 2147483643)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((x1 == ((long long) y3 + 4)) && (counter == 4)) && (y1 == 1)) && (3 == x2)) && (y2 == 1)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (y1 == 1)) && (x1 <= ((long long) y3 + 1))) && (y3 <= 2147483646)) && (counter == 1)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (counter == 5)) && (2 == x2)) && (y3 <= 2147483642)) && (y2 == 1)) && (x1 <= ((long long) 5 + y3))) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && (2 == y2)) && (3 <= x2)) && ((((long long) x2 * y1) + y3) <= 2147483645)) && ((((long long) x2 * y1) + x2) <= 2147483647)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (((long long) x2 + y3) <= 2147483644)) && (y1 == 1)) && (x2 <= 4)) && (3 == y2)) && (3 <= x2)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == y1)) && (2 == x2)) && (3 == y2)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter <= 10)) && (9 <= counter)) && (y2 == 1)) && (3 <= x2)) && ((((long long) x2 * y1) + x2) <= 2147483647)) && ((((long long) x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 == y1)) && (2 <= x2)) && (counter == 10)) && (x2 <= 3)) && (y2 <= 6)) && ((((long long) y2 + y3) + ((long long) 2 * x2)) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || (((((((((((0 <= x1) && (2 <= x2)) && (counter == 10)) && ((((long long) x2 * y1) + ((long long) 2 * x2)) <= 2147483647)) && (y2 == 0)) && (x1 <= ((long long) 2147483643 + y3))) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (y1 <= 5)) && (x1 <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (x2 <= 2147483647)) && (y2 <= 2147483638)) && (y1 == 0)) && (((long long) y2 + y3) <= 2147483647)) && (counter == 9)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y2)) && (2 == x2)) && (counter == 4)) && (y1 == 1)) && (x1 <= ((long long) y3 + 4))) && (y3 <= 2147483643)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (y1 <= 6)) && (x1 <= ((long long) 6 + y3))) && (y2 == 0)) && (counter == 6)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 10)) && (y1 == 1)) && (x1 <= ((long long) 2147483643 + y3))) && (x2 <= 715827882)) && ((((long long) x2 + y2) + y3) <= 2147483647)) && (y2 <= 6)) && (3 <= x2)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (y2 == 4)) && (counter == 10)) && (2 == x2)) && (y3 <= 2147483637)) && (3 == y1)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483646)) && (counter == 8)) && (y1 == 1)) && (y2 == 1)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == y1)) && (3 == x2)) && (y2 == 1)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (2 == y2)) && (2 == x2)) && (9 <= counter)) && (3 == y1)) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 8)) && (y2 == 0)) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (3 <= x2)) && ((((long long) x2 * y1) + x2) <= 2147483647)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 10)) && (2 == x2)) && (y1 == 1)) && (x1 <= 2147483647)) && (4 <= y2)) && (y2 <= 8)) && (((long long) y2 + y3) <= 2147483645)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (x1 <= ((long long) 6 + y3))) && (y2 == 0)) && (3 == x2)) && (counter == 6)) && (y3 <= 2147483641)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (2 == x2)) && (y3 <= 2147483638)) && (9 <= counter)) && (3 == y2)) && (3 == y1)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 5)) && (y2 == 0)) && (y1 == 1)) && (y3 <= 2147483642)) && (x1 <= ((long long) 5 + y3))) && (5 == x2)) && (0 <= y3))) || ((((((((0 <= x1) && (y2 == 4)) && (x1 <= ((long long) 6 + y3))) && (2 == x2)) && (y1 == 1)) && (counter == 6)) && (y3 <= 2147483641)) && (0 <= y3))) || (((((((((0 <= x1) && (2 == y1)) && (counter == 8)) && (2 == x2)) && (3 == y2)) && (y3 <= 2147483640)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 4)) && (y2 == 0)) && (x1 <= ((long long) y3 + 4))) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 8)) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || (((((((2 == y2) && (x2 <= 2147483647)) && (((long long) 2 + y3) == x1)) && (y1 == 0)) && (x1 <= 2147483647)) && (counter == 2)) && (0 <= y3))) || ((((((((0 <= x1) && (y2 == 4)) && (x2 <= 2147483647)) && (counter == 4)) && (x1 <= ((long long) y3 + 4))) && (y1 == 0)) && (y3 <= 2147483643)) && (0 <= y3))) || (((((((((0 <= x1) && (x2 == 1)) && (counter == 10)) && (y1 <= 2147483639)) && (y2 == 0)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (2 == y1)) && (counter == 8)) && (2 == y2)) && (3 == x2)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 8)) && (2 == y2)) && (2 == x2)) && (x1 <= ((long long) y3 + 2147483641))) && (3 == y1)) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 10)) && (x2 <= 2147483647)) && (y1 == 0)) && (y2 <= 2147483639)) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (((long long) x2 + y3) <= 2147483645)) && (2 == y2)) && (y1 == 1)) && (9 <= counter)) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 5)) && (2 == x2)) && (y1 == 1)) && (y3 <= 2147483642)) && (3 == y2)) && (x1 <= ((long long) 5 + y3))) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (2 == y2)) && (x1 <= ((long long) 6 + y3))) && (2 == x2)) && (counter == 6)) && (y3 <= 2147483641)) && (0 <= y3))) || (((((((((((0 <= x1) && ((((long long) x2 * y1) + ((long long) 3 * x2)) <= 2147483647)) && (1 <= x2)) && (y2 == 1)) && (counter == 9)) && ((((long long) x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (x1 <= ((long long) y3 + 2147483642))) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == x2)) && (y2 == 0)) && (y1 == 1)) && (x1 <= ((long long) 2 + y3))) && (y3 <= 2147483645)) && (counter == 2)) && (0 <= y3))) || (((((((((0 <= x1) && (x1 <= ((long long) 6 + y3))) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (counter == 6)) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && ((((long long) x2 * y1) + ((long long) 3 * x2)) <= 2147483647)) && (y2 == 1)) && (3 <= x2)) && ((((long long) x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter <= 10)) && (((long long) x2 + y3) <= 2147483646)) && (y1 == 1)) && (9 <= counter)) && (y2 == 1)) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && (2 == y2)) && ((((long long) x2 * y1) + ((long long) 3 * x2)) <= 2147483647)) && (1 <= x2)) && ((((long long) x2 * y1) + y3) <= 2147483645)) && (x1 <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (y2 == 4)) && (2 == y1)) && (counter == 8)) && (2 == x2)) && (x1 <= ((long long) y3 + 2147483641))) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (0 <= y3))) || ((((((((0 <= x1) && (y2 == 4)) && (counter == 10)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483643)) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (x2 <= 2147483647)) && (y2 <= 7)) && (y1 == 0)) && (x1 <= ((long long) y3 + 2147483640))) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (y2 <= 5)) && (2 == x2)) && (y1 == 1)) && (x1 <= ((long long) y3 + 2147483640))) && (x1 <= 2147483647)) && (4 <= y2)) && (((long long) y2 + y3) <= 2147483645)) && (0 <= y3))) || ((((((((((0 <= x1) && (y2 <= 7)) && (2 == x2)) && (y1 == 1)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= ((long long) y3 + 2147483642))) && (4 <= y2)) && (((long long) y2 + y3) <= 2147483645)) && (0 <= y3))) || ((((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483646)) && (x2 <= 6)) && (counter == 5)) && (y1 == 1)) && (y2 == 1)) && (3 <= x2)) && (x1 <= ((long long) 5 + y3))) && (x1 <= 2147483647)) && (0 <= y3))) - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((cond != 0) && (counter == 0)) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((((((((((cond != 0) || (counter != 9)) && ((cond != 0) || (counter != 8))) && ((cond != 0) || (counter != 6))) && ((counter != 5) || (cond != 0))) && ((cond != 0) || (counter != 4))) && ((cond != 0) || (counter != 7))) && ((cond != 0) || (counter != 10))) && ((cond != 0) || (counter != 2))) && ((cond != 0) || (counter != 3))) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:52:03,473 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 Result: TRUE