./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:35:25,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:35:25,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:35:25,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:35:25,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:35:25,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:35:25,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:35:25,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:35:25,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:35:25,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:35:25,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:35:25,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:35:25,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:35:25,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:35:25,286 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:35:25,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:35:25,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:35:25,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:35:25,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:35:25,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:35:25,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:35:25,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:35:25,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:35:25,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:35:25,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:35:25,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:35:25,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:35:25,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:35:25,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:35:25,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:35:25,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:35:25,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:35:25,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:35:25,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:35:25,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:35:25,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:35:25,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:35:25,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:35:25,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:35:25,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:35:25,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:35:25,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:35:25,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:35:25,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:35:25,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2024-10-14 20:35:25,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:35:25,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:35:25,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:35:25,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:35:25,512 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:35:25,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-10-14 20:35:26,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:35:26,990 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:35:26,991 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-10-14 20:35:27,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0aa2b224/44224923e7124a399d8c01c97d96102e/FLAGb533a4ca2 [2024-10-14 20:35:27,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0aa2b224/44224923e7124a399d8c01c97d96102e [2024-10-14 20:35:27,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:35:27,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:35:27,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:35:27,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:35:27,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:35:27,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3379d331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27, skipping insertion in model container [2024-10-14 20:35:27,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:35:27,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:35:27,198 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:35:27,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:35:27,229 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:35:27,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27 WrapperNode [2024-10-14 20:35:27,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:35:27,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:35:27,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:35:27,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:35:27,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,262 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-10-14 20:35:27,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:35:27,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:35:27,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:35:27,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:35:27,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,297 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]. [2024-10-14 20:35:27,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:35:27,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:35:27,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:35:27,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:35:27,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (1/1) ... [2024-10-14 20:35:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:35:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:27,345 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) [2024-10-14 20:35:27,351 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 [2024-10-14 20:35:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:35:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:35:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:35:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:35:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:35:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:35:27,575 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:35:27,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:35:28,047 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-14 20:35:28,048 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:35:28,077 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:35:28,077 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 20:35:28,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:35:28 BoogieIcfgContainer [2024-10-14 20:35:28,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:35:28,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:35:28,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:35:28,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:35:28,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:35:27" (1/3) ... [2024-10-14 20:35:28,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2065d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:35:28, skipping insertion in model container [2024-10-14 20:35:28,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:35:27" (2/3) ... [2024-10-14 20:35:28,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2065d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:35:28, skipping insertion in model container [2024-10-14 20:35:28,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:35:28" (3/3) ... [2024-10-14 20:35:28,085 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2024-10-14 20:35:28,099 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:35:28,100 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-14 20:35:28,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:35:28,164 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;@baeea09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:35:28,164 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-14 20:35:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 20:35:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:35:28,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:35:28,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:28,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:28,177 INFO L85 PathProgramCache]: Analyzing trace with hash 170085917, now seen corresponding path program 1 times [2024-10-14 20:35:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:28,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400139634] [2024-10-14 20:35:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:28,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:28,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400139634] [2024-10-14 20:35:28,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400139634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:28,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:28,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:28,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431386886] [2024-10-14 20:35:28,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:28,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:35:28,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:28,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:35:28,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:35:28,327 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:35:28,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:28,358 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2024-10-14 20:35:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:35:28,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:35:28,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:28,367 INFO L225 Difference]: With dead ends: 178 [2024-10-14 20:35:28,367 INFO L226 Difference]: Without dead ends: 87 [2024-10-14 20:35:28,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:35:28,372 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:28,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:28,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-14 20:35:28,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-14 20:35:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:35:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-10-14 20:35:28,410 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2024-10-14 20:35:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:28,410 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-10-14 20:35:28,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:35:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-10-14 20:35:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 20:35:28,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,412 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 20:35:28,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:35:28,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:28,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:28,414 INFO L85 PathProgramCache]: Analyzing trace with hash 170145499, now seen corresponding path program 1 times [2024-10-14 20:35:28,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:28,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110384098] [2024-10-14 20:35:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:28,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:28,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110384098] [2024-10-14 20:35:28,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110384098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:28,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:28,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:28,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809587030] [2024-10-14 20:35:28,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:28,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:28,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:28,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:28,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:28,532 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:35:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:28,596 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-10-14 20:35:28,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:28,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-14 20:35:28,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:28,599 INFO L225 Difference]: With dead ends: 101 [2024-10-14 20:35:28,599 INFO L226 Difference]: Without dead ends: 91 [2024-10-14 20:35:28,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:28,603 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:28,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-14 20:35:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-14 20:35:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.74) internal successors, (87), 83 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:35:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-10-14 20:35:28,617 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 5 [2024-10-14 20:35:28,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:28,617 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-10-14 20:35:28,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:35:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-10-14 20:35:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 20:35:28,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:28,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:35:28,618 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:28,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 743199255, now seen corresponding path program 1 times [2024-10-14 20:35:28,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:28,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484026033] [2024-10-14 20:35:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:28,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860645450] [2024-10-14 20:35:28,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:28,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:28,644 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) [2024-10-14 20:35:28,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:35:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:28,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:35:28,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:28,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:28,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:28,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484026033] [2024-10-14 20:35:28,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:28,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860645450] [2024-10-14 20:35:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860645450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:28,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:28,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:28,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175121925] [2024-10-14 20:35:28,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:28,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:35:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:28,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:35:28,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:28,719 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-14 20:35:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:28,816 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2024-10-14 20:35:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:35:28,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-14 20:35:28,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:28,817 INFO L225 Difference]: With dead ends: 114 [2024-10-14 20:35:28,817 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 20:35:28,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:28,818 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:28,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 164 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:28,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 20:35:28,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-10-14 20:35:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 85 states have internal predecessors, (89), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 20:35:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2024-10-14 20:35:28,826 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 8 [2024-10-14 20:35:28,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:28,827 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2024-10-14 20:35:28,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-14 20:35:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2024-10-14 20:35:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 20:35:28,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:28,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:28,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:35:29,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,029 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:29,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash 148914924, now seen corresponding path program 1 times [2024-10-14 20:35:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:29,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425791151] [2024-10-14 20:35:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:29,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943622910] [2024-10-14 20:35:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:29,051 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) [2024-10-14 20:35:29,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:35:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:29,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:35:29,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:29,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:29,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:29,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425791151] [2024-10-14 20:35:29,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:29,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943622910] [2024-10-14 20:35:29,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943622910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:29,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:29,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:29,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300725377] [2024-10-14 20:35:29,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:29,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:35:29,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:35:29,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:29,125 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:29,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:29,241 INFO L93 Difference]: Finished difference Result 155 states and 179 transitions. [2024-10-14 20:35:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:35:29,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-14 20:35:29,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:29,243 INFO L225 Difference]: With dead ends: 155 [2024-10-14 20:35:29,243 INFO L226 Difference]: Without dead ends: 149 [2024-10-14 20:35:29,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:29,244 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:29,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 139 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:29,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-14 20:35:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-10-14 20:35:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.725) internal successors, (138), 113 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:35:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2024-10-14 20:35:29,264 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 15 [2024-10-14 20:35:29,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:29,264 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2024-10-14 20:35:29,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2024-10-14 20:35:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 20:35:29,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:29,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:29,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:35:29,465 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 [2024-10-14 20:35:29,466 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:29,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:29,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1373323182, now seen corresponding path program 1 times [2024-10-14 20:35:29,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:29,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301903734] [2024-10-14 20:35:29,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726804616] [2024-10-14 20:35:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:29,480 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) [2024-10-14 20:35:29,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:35:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:29,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:35:29,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:29,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:29,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:29,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301903734] [2024-10-14 20:35:29,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:29,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726804616] [2024-10-14 20:35:29,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726804616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:29,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:29,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:29,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281483831] [2024-10-14 20:35:29,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:29,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:29,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:29,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:29,591 INFO L87 Difference]: Start difference. First operand 127 states and 162 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:29,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:29,724 INFO L93 Difference]: Finished difference Result 148 states and 169 transitions. [2024-10-14 20:35:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:29,725 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-14 20:35:29,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:29,726 INFO L225 Difference]: With dead ends: 148 [2024-10-14 20:35:29,726 INFO L226 Difference]: Without dead ends: 145 [2024-10-14 20:35:29,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:29,727 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 182 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:29,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 138 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-14 20:35:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2024-10-14 20:35:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.691358024691358) internal successors, (137), 114 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:35:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 161 transitions. [2024-10-14 20:35:29,736 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 161 transitions. Word has length 17 [2024-10-14 20:35:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:29,736 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 161 transitions. [2024-10-14 20:35:29,737 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2024-10-14 20:35:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 20:35:29,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:29,737 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:29,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:35:29,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:29,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:29,939 INFO L85 PathProgramCache]: Analyzing trace with hash -376654252, now seen corresponding path program 1 times [2024-10-14 20:35:29,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:29,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094798538] [2024-10-14 20:35:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:29,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930892386] [2024-10-14 20:35:29,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:29,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:29,958 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) [2024-10-14 20:35:29,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:35:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:35:30,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:35:30,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:30,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:30,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094798538] [2024-10-14 20:35:30,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:30,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930892386] [2024-10-14 20:35:30,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930892386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:30,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:30,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:30,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928019480] [2024-10-14 20:35:30,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:30,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:30,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:30,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:30,094 INFO L87 Difference]: Start difference. First operand 128 states and 161 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:30,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:30,199 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2024-10-14 20:35:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:30,199 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-14 20:35:30,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:30,200 INFO L225 Difference]: With dead ends: 148 [2024-10-14 20:35:30,200 INFO L226 Difference]: Without dead ends: 141 [2024-10-14 20:35:30,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:30,201 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 178 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:30,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:30,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-14 20:35:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 125. [2024-10-14 20:35:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 111 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:35:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 155 transitions. [2024-10-14 20:35:30,209 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 155 transitions. Word has length 18 [2024-10-14 20:35:30,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:30,210 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 155 transitions. [2024-10-14 20:35:30,210 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 20:35:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-10-14 20:35:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 20:35:30,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:30,211 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] [2024-10-14 20:35:30,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:35:30,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:30,412 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:30,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1488714648, now seen corresponding path program 1 times [2024-10-14 20:35:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:30,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986318695] [2024-10-14 20:35:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:30,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:35:30,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:30,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986318695] [2024-10-14 20:35:30,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986318695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:30,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:30,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:35:30,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478228252] [2024-10-14 20:35:30,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:30,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:30,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:30,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:30,543 INFO L87 Difference]: Start difference. First operand 125 states and 155 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-10-14 20:35:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:30,638 INFO L93 Difference]: Finished difference Result 156 states and 171 transitions. [2024-10-14 20:35:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 26 [2024-10-14 20:35:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:30,639 INFO L225 Difference]: With dead ends: 156 [2024-10-14 20:35:30,640 INFO L226 Difference]: Without dead ends: 155 [2024-10-14 20:35:30,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:30,640 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 64 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:30,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 460 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:30,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-14 20:35:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2024-10-14 20:35:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 81 states have (on average 1.6419753086419753) internal successors, (133), 114 states have internal predecessors, (133), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:35:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 157 transitions. [2024-10-14 20:35:30,649 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 157 transitions. Word has length 26 [2024-10-14 20:35:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:30,649 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 157 transitions. [2024-10-14 20:35:30,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-10-14 20:35:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 157 transitions. [2024-10-14 20:35:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:35:30,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:30,650 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] [2024-10-14 20:35:30,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 20:35:30,650 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:30,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1094486249, now seen corresponding path program 1 times [2024-10-14 20:35:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661217391] [2024-10-14 20:35:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:35:30,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:30,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661217391] [2024-10-14 20:35:30,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661217391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:30,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:30,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:35:30,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505635083] [2024-10-14 20:35:30,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:30,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:30,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:30,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:30,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:30,732 INFO L87 Difference]: Start difference. First operand 129 states and 157 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-10-14 20:35:30,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:30,799 INFO L93 Difference]: Finished difference Result 221 states and 258 transitions. [2024-10-14 20:35:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:35:30,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 27 [2024-10-14 20:35:30,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:30,802 INFO L225 Difference]: With dead ends: 221 [2024-10-14 20:35:30,802 INFO L226 Difference]: Without dead ends: 137 [2024-10-14 20:35:30,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:30,803 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 11 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:30,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 420 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:30,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-14 20:35:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-10-14 20:35:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.5909090909090908) internal successors, (140), 121 states have internal predecessors, (140), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 20:35:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 164 transitions. [2024-10-14 20:35:30,819 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 164 transitions. Word has length 27 [2024-10-14 20:35:30,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:30,819 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 164 transitions. [2024-10-14 20:35:30,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-10-14 20:35:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-10-14 20:35:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:35:30,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:30,820 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] [2024-10-14 20:35:30,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:35:30,820 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:30,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash -465699477, now seen corresponding path program 1 times [2024-10-14 20:35:30,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:30,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456895542] [2024-10-14 20:35:30,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:30,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:30,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578092406] [2024-10-14 20:35:30,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:30,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:30,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:30,845 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) [2024-10-14 20:35:30,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:35:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:30,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:30,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:35:30,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:30,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:30,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456895542] [2024-10-14 20:35:30,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:30,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578092406] [2024-10-14 20:35:30,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578092406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:30,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:30,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:30,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098992135] [2024-10-14 20:35:30,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:30,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:30,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:30,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:30,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:30,935 INFO L87 Difference]: Start difference. First operand 137 states and 164 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-14 20:35:31,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:31,122 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2024-10-14 20:35:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:31,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 29 [2024-10-14 20:35:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:31,124 INFO L225 Difference]: With dead ends: 213 [2024-10-14 20:35:31,125 INFO L226 Difference]: Without dead ends: 208 [2024-10-14 20:35:31,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:31,126 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 123 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:31,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 97 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-14 20:35:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 188. [2024-10-14 20:35:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 164 states have internal predecessors, (211), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 251 transitions. [2024-10-14 20:35:31,146 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 251 transitions. Word has length 29 [2024-10-14 20:35:31,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:31,147 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 251 transitions. [2024-10-14 20:35:31,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-14 20:35:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 251 transitions. [2024-10-14 20:35:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 20:35:31,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:31,149 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] [2024-10-14 20:35:31,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:35:31,350 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 [2024-10-14 20:35:31,350 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:31,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:31,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1551781809, now seen corresponding path program 1 times [2024-10-14 20:35:31,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:31,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822740846] [2024-10-14 20:35:31,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:31,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037017776] [2024-10-14 20:35:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:31,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:31,362 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) [2024-10-14 20:35:31,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:35:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:31,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:35:31,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822740846] [2024-10-14 20:35:31,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037017776] [2024-10-14 20:35:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037017776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:31,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789119013] [2024-10-14 20:35:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:31,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:31,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:31,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:31,441 INFO L87 Difference]: Start difference. First operand 188 states and 251 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-14 20:35:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:31,576 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2024-10-14 20:35:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:31,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 30 [2024-10-14 20:35:31,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:31,577 INFO L225 Difference]: With dead ends: 211 [2024-10-14 20:35:31,578 INFO L226 Difference]: Without dead ends: 208 [2024-10-14 20:35:31,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:31,579 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 91 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:31,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 108 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:31,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-14 20:35:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-14 20:35:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 132 states have (on average 1.5757575757575757) internal successors, (208), 165 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2024-10-14 20:35:31,594 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 30 [2024-10-14 20:35:31,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:31,595 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2024-10-14 20:35:31,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-14 20:35:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2024-10-14 20:35:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 20:35:31,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:31,596 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:31,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:35:31,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:31,797 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:31,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:31,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1006062636, now seen corresponding path program 1 times [2024-10-14 20:35:31,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:31,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055714579] [2024-10-14 20:35:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:31,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055714579] [2024-10-14 20:35:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055714579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:31,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:31,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:31,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70980237] [2024-10-14 20:35:31,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:31,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:31,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:31,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:31,913 INFO L87 Difference]: Start difference. First operand 189 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:32,364 INFO L93 Difference]: Finished difference Result 226 states and 277 transitions. [2024-10-14 20:35:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:32,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2024-10-14 20:35:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:32,369 INFO L225 Difference]: With dead ends: 226 [2024-10-14 20:35:32,369 INFO L226 Difference]: Without dead ends: 224 [2024-10-14 20:35:32,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:32,370 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 139 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:32,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 90 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:35:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-14 20:35:32,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 191. [2024-10-14 20:35:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.5522388059701493) internal successors, (208), 167 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 248 transitions. [2024-10-14 20:35:32,392 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 248 transitions. Word has length 50 [2024-10-14 20:35:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:32,396 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 248 transitions. [2024-10-14 20:35:32,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2024-10-14 20:35:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:35:32,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:32,397 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:32,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:35:32,398 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:32,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1123170539, now seen corresponding path program 1 times [2024-10-14 20:35:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:32,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707774630] [2024-10-14 20:35:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:32,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707774630] [2024-10-14 20:35:32,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707774630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:32,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:32,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:32,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652157718] [2024-10-14 20:35:32,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:32,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:32,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:32,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:32,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:32,463 INFO L87 Difference]: Start difference. First operand 191 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:32,589 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-14 20:35:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:32,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-10-14 20:35:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:32,592 INFO L225 Difference]: With dead ends: 226 [2024-10-14 20:35:32,592 INFO L226 Difference]: Without dead ends: 224 [2024-10-14 20:35:32,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:32,593 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 136 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:32,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 92 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-14 20:35:32,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 193. [2024-10-14 20:35:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 136 states have (on average 1.5294117647058822) internal successors, (208), 169 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2024-10-14 20:35:32,608 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 51 [2024-10-14 20:35:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:32,608 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2024-10-14 20:35:32,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2024-10-14 20:35:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 20:35:32,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:32,609 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:32,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 20:35:32,610 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:32,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093161, now seen corresponding path program 1 times [2024-10-14 20:35:32,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:32,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880715153] [2024-10-14 20:35:32,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:32,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:32,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:32,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880715153] [2024-10-14 20:35:32,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880715153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:32,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:32,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:32,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63575898] [2024-10-14 20:35:32,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:32,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:32,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:32,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:32,717 INFO L87 Difference]: Start difference. First operand 193 states and 248 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:35:32,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:32,784 INFO L93 Difference]: Finished difference Result 193 states and 248 transitions. [2024-10-14 20:35:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:32,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-10-14 20:35:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:32,786 INFO L225 Difference]: With dead ends: 193 [2024-10-14 20:35:32,786 INFO L226 Difference]: Without dead ends: 192 [2024-10-14 20:35:32,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:32,786 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 70 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 [2024-10-14 20:35:32,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 70 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-14 20:35:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-10-14 20:35:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.5) internal successors, (204), 168 states have internal predecessors, (204), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 244 transitions. [2024-10-14 20:35:32,799 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 244 transitions. Word has length 53 [2024-10-14 20:35:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:32,799 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 244 transitions. [2024-10-14 20:35:32,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:35:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2024-10-14 20:35:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-14 20:35:32,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:32,802 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:32,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:35:32,802 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:32,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:32,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093203, now seen corresponding path program 1 times [2024-10-14 20:35:32,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:32,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007613767] [2024-10-14 20:35:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:32,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:32,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:32,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007613767] [2024-10-14 20:35:32,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007613767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:32,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:35:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816773386] [2024-10-14 20:35:32,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:32,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:35:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:32,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:35:32,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:32,868 INFO L87 Difference]: Start difference. First operand 192 states and 244 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:32,915 INFO L93 Difference]: Finished difference Result 198 states and 244 transitions. [2024-10-14 20:35:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:35:32,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-14 20:35:32,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:32,916 INFO L225 Difference]: With dead ends: 198 [2024-10-14 20:35:32,917 INFO L226 Difference]: Without dead ends: 197 [2024-10-14 20:35:32,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:35:32,918 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:32,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:32,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-14 20:35:32,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2024-10-14 20:35:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.4926470588235294) internal successors, (203), 168 states have internal predecessors, (203), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 20:35:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 243 transitions. [2024-10-14 20:35:32,931 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 243 transitions. Word has length 53 [2024-10-14 20:35:32,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:32,931 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 243 transitions. [2024-10-14 20:35:32,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2024-10-14 20:35:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 20:35:32,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:32,932 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:32,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 20:35:32,933 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:32,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1716785083, now seen corresponding path program 1 times [2024-10-14 20:35:32,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:32,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455269913] [2024-10-14 20:35:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:32,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:33,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455269913] [2024-10-14 20:35:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455269913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:35:33,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135999104] [2024-10-14 20:35:33,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:33,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:35:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:35:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:35:33,026 INFO L87 Difference]: Start difference. First operand 192 states and 243 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:33,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:33,397 INFO L93 Difference]: Finished difference Result 266 states and 335 transitions. [2024-10-14 20:35:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:33,398 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-10-14 20:35:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:33,399 INFO L225 Difference]: With dead ends: 266 [2024-10-14 20:35:33,399 INFO L226 Difference]: Without dead ends: 265 [2024-10-14 20:35:33,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:35:33,400 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 321 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:33,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 286 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:33,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-14 20:35:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 227. [2024-10-14 20:35:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 166 states have (on average 1.5) internal successors, (249), 198 states have internal predecessors, (249), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:35:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 299 transitions. [2024-10-14 20:35:33,410 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 299 transitions. Word has length 54 [2024-10-14 20:35:33,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:33,410 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 299 transitions. [2024-10-14 20:35:33,410 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 299 transitions. [2024-10-14 20:35:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 20:35:33,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:33,411 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:33,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 20:35:33,411 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:33,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1716783801, now seen corresponding path program 1 times [2024-10-14 20:35:33,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710785633] [2024-10-14 20:35:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:33,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:33,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710785633] [2024-10-14 20:35:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710785633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:33,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:33,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:35:33,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844416992] [2024-10-14 20:35:33,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:33,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:35:33,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:33,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:35:33,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:33,462 INFO L87 Difference]: Start difference. First operand 227 states and 299 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:35:33,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:33,546 INFO L93 Difference]: Finished difference Result 375 states and 509 transitions. [2024-10-14 20:35:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-10-14 20:35:33,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:33,548 INFO L225 Difference]: With dead ends: 375 [2024-10-14 20:35:33,548 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:35:33,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:33,549 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 198 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:33,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 218 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:33,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:35:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2024-10-14 20:35:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 263 states have (on average 1.5551330798479088) internal successors, (409), 295 states have internal predecessors, (409), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:35:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 489 transitions. [2024-10-14 20:35:33,568 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 489 transitions. Word has length 54 [2024-10-14 20:35:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:33,568 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 489 transitions. [2024-10-14 20:35:33,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 20:35:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 489 transitions. [2024-10-14 20:35:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:35:33,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:33,571 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:33,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 20:35:33,571 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:33,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:33,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1680690415, now seen corresponding path program 1 times [2024-10-14 20:35:33,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:33,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652248422] [2024-10-14 20:35:33,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:33,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:33,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652248422] [2024-10-14 20:35:33,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652248422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:33,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:33,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:33,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356821395] [2024-10-14 20:35:33,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:33,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:33,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:33,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:33,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:33,650 INFO L87 Difference]: Start difference. First operand 339 states and 489 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:33,803 INFO L93 Difference]: Finished difference Result 366 states and 510 transitions. [2024-10-14 20:35:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:33,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-14 20:35:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:33,804 INFO L225 Difference]: With dead ends: 366 [2024-10-14 20:35:33,804 INFO L226 Difference]: Without dead ends: 364 [2024-10-14 20:35:33,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:33,805 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:33,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 166 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:33,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-14 20:35:33,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 343. [2024-10-14 20:35:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 267 states have (on average 1.546816479400749) internal successors, (413), 299 states have internal predecessors, (413), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:35:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 493 transitions. [2024-10-14 20:35:33,823 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 493 transitions. Word has length 55 [2024-10-14 20:35:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:33,823 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 493 transitions. [2024-10-14 20:35:33,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:33,823 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 493 transitions. [2024-10-14 20:35:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-14 20:35:33,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:33,824 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:33,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:35:33,825 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:33,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1280449475, now seen corresponding path program 1 times [2024-10-14 20:35:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230536156] [2024-10-14 20:35:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:33,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:33,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230536156] [2024-10-14 20:35:33,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230536156] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:33,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911250067] [2024-10-14 20:35:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:33,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:33,930 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) [2024-10-14 20:35:33,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:35:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:33,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:35:33,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 20:35:34,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:34,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911250067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:34,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:34,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-14 20:35:34,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932241039] [2024-10-14 20:35:34,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:34,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:34,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:34,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:34,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:35:34,091 INFO L87 Difference]: Start difference. First operand 343 states and 493 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:34,138 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2024-10-14 20:35:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:34,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-10-14 20:35:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:34,140 INFO L225 Difference]: With dead ends: 343 [2024-10-14 20:35:34,140 INFO L226 Difference]: Without dead ends: 341 [2024-10-14 20:35:34,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:35:34,141 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 121 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:34,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 316 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:34,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-14 20:35:34,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-10-14 20:35:34,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 297 states have internal predecessors, (401), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:35:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2024-10-14 20:35:34,154 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 58 [2024-10-14 20:35:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:34,155 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2024-10-14 20:35:34,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2024-10-14 20:35:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 20:35:34,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:34,155 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:34,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:34,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:34,357 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:34,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1039228013, now seen corresponding path program 1 times [2024-10-14 20:35:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:34,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205142861] [2024-10-14 20:35:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:34,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:34,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205142861] [2024-10-14 20:35:34,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205142861] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:34,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458081775] [2024-10-14 20:35:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:34,451 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) [2024-10-14 20:35:34,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:35:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:34,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:35:34,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 20:35:34,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:34,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458081775] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:34,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:35:34,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 6] total 18 [2024-10-14 20:35:34,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687481193] [2024-10-14 20:35:34,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:34,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:34,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:34,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:34,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:35:34,869 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:34,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:34,987 INFO L93 Difference]: Finished difference Result 380 states and 509 transitions. [2024-10-14 20:35:34,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:35:34,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 20:35:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:34,989 INFO L225 Difference]: With dead ends: 380 [2024-10-14 20:35:34,989 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 20:35:34,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:35:34,990 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 84 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:34,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 390 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:34,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 20:35:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 353. [2024-10-14 20:35:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 276 states have (on average 1.4565217391304348) internal successors, (402), 306 states have internal predecessors, (402), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 20:35:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 482 transitions. [2024-10-14 20:35:35,006 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 482 transitions. Word has length 59 [2024-10-14 20:35:35,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:35,006 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 482 transitions. [2024-10-14 20:35:35,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:35:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 482 transitions. [2024-10-14 20:35:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:35:35,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:35,007 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:35,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:35,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:35,212 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:35,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2029261199, now seen corresponding path program 1 times [2024-10-14 20:35:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442728049] [2024-10-14 20:35:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:35,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:35,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442728049] [2024-10-14 20:35:35,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442728049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:35,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308641171] [2024-10-14 20:35:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:35,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:35,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:35,288 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) [2024-10-14 20:35:35,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:35:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:35,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 20:35:35,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:35:35,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308641171] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:35,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:35,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2024-10-14 20:35:35,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414856595] [2024-10-14 20:35:35,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:35,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:35:35,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:35:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:35:35,501 INFO L87 Difference]: Start difference. First operand 353 states and 482 transitions. Second operand has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 20:35:35,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:35,656 INFO L93 Difference]: Finished difference Result 640 states and 828 transitions. [2024-10-14 20:35:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 20:35:35,656 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 61 [2024-10-14 20:35:35,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:35,658 INFO L225 Difference]: With dead ends: 640 [2024-10-14 20:35:35,658 INFO L226 Difference]: Without dead ends: 481 [2024-10-14 20:35:35,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:35:35,659 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 111 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:35,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 760 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:35:35,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-14 20:35:35,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 436. [2024-10-14 20:35:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 346 states have (on average 1.430635838150289) internal successors, (495), 378 states have internal predecessors, (495), 50 states have call successors, (50), 9 states have call predecessors, (50), 9 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-14 20:35:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 595 transitions. [2024-10-14 20:35:35,676 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 595 transitions. Word has length 61 [2024-10-14 20:35:35,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:35,676 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 595 transitions. [2024-10-14 20:35:35,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 17 states have internal predecessors, (87), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-14 20:35:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 595 transitions. [2024-10-14 20:35:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-14 20:35:35,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:35,677 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:35,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:35:35,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:35,878 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:35,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1484644914, now seen corresponding path program 1 times [2024-10-14 20:35:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:35,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271280801] [2024-10-14 20:35:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521083665] [2024-10-14 20:35:35,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:35,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:35,894 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) [2024-10-14 20:35:35,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:35:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:35,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:35:35,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:36,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:36,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271280801] [2024-10-14 20:35:36,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521083665] [2024-10-14 20:35:36,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521083665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:36,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:36,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:35:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397901676] [2024-10-14 20:35:36,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:36,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:36,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:36,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:36,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:36,172 INFO L87 Difference]: Start difference. First operand 436 states and 595 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:36,464 INFO L93 Difference]: Finished difference Result 629 states and 869 transitions. [2024-10-14 20:35:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:35:36,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-10-14 20:35:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:36,469 INFO L225 Difference]: With dead ends: 629 [2024-10-14 20:35:36,469 INFO L226 Difference]: Without dead ends: 620 [2024-10-14 20:35:36,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:36,469 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 286 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:36,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 179 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-10-14 20:35:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 591. [2024-10-14 20:35:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 481 states have (on average 1.4054054054054055) internal successors, (676), 513 states have internal predecessors, (676), 70 states have call successors, (70), 9 states have call predecessors, (70), 9 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 20:35:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 816 transitions. [2024-10-14 20:35:36,516 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 816 transitions. Word has length 68 [2024-10-14 20:35:36,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:36,516 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 816 transitions. [2024-10-14 20:35:36,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 816 transitions. [2024-10-14 20:35:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-14 20:35:36,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:36,517 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:36,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:35:36,722 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,SelfDestructingSolverStorable20 [2024-10-14 20:35:36,723 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:36,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:36,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1220647984, now seen corresponding path program 1 times [2024-10-14 20:35:36,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:36,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780316026] [2024-10-14 20:35:36,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:36,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:36,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019948358] [2024-10-14 20:35:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:36,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:36,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:36,737 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) [2024-10-14 20:35:36,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:35:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:36,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:35:36,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:37,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:37,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780316026] [2024-10-14 20:35:37,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:37,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019948358] [2024-10-14 20:35:37,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019948358] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:37,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:35:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073085918] [2024-10-14 20:35:37,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:37,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:37,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:37,680 INFO L87 Difference]: Start difference. First operand 591 states and 816 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:37,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:37,922 INFO L93 Difference]: Finished difference Result 660 states and 896 transitions. [2024-10-14 20:35:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:35:37,922 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-10-14 20:35:37,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:37,925 INFO L225 Difference]: With dead ends: 660 [2024-10-14 20:35:37,925 INFO L226 Difference]: Without dead ends: 657 [2024-10-14 20:35:37,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:37,927 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 152 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:37,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 253 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-14 20:35:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 622. [2024-10-14 20:35:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 508 states have (on average 1.4035433070866141) internal successors, (713), 539 states have internal predecessors, (713), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-14 20:35:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 861 transitions. [2024-10-14 20:35:37,959 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 861 transitions. Word has length 69 [2024-10-14 20:35:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:37,960 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 861 transitions. [2024-10-14 20:35:37,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 861 transitions. [2024-10-14 20:35:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-14 20:35:37,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:37,961 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:37,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:38,164 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,SelfDestructingSolverStorable21 [2024-10-14 20:35:38,165 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:38,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1468807044, now seen corresponding path program 1 times [2024-10-14 20:35:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:38,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082725899] [2024-10-14 20:35:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:38,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525638105] [2024-10-14 20:35:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:38,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:38,180 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) [2024-10-14 20:35:38,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:35:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:38,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:38,376 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:38,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:38,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082725899] [2024-10-14 20:35:38,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:38,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525638105] [2024-10-14 20:35:38,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525638105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:38,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:38,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:35:38,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641000487] [2024-10-14 20:35:38,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:38,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:38,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:38,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:38,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:38,380 INFO L87 Difference]: Start difference. First operand 622 states and 861 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:38,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:38,606 INFO L93 Difference]: Finished difference Result 661 states and 929 transitions. [2024-10-14 20:35:38,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:38,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-10-14 20:35:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:38,609 INFO L225 Difference]: With dead ends: 661 [2024-10-14 20:35:38,609 INFO L226 Difference]: Without dead ends: 657 [2024-10-14 20:35:38,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:35:38,610 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 170 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:38,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 196 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-14 20:35:38,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 618. [2024-10-14 20:35:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 508 states have (on average 1.3779527559055118) internal successors, (700), 535 states have internal predecessors, (700), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-14 20:35:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 848 transitions. [2024-10-14 20:35:38,641 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 848 transitions. Word has length 70 [2024-10-14 20:35:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:38,641 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 848 transitions. [2024-10-14 20:35:38,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 848 transitions. [2024-10-14 20:35:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-14 20:35:38,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:38,642 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:38,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:35:38,842 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,SelfDestructingSolverStorable22 [2024-10-14 20:35:38,843 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:38,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:38,843 INFO L85 PathProgramCache]: Analyzing trace with hash -814618096, now seen corresponding path program 1 times [2024-10-14 20:35:38,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:38,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541086933] [2024-10-14 20:35:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 20:35:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541086933] [2024-10-14 20:35:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541086933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:38,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:38,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:35:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871786578] [2024-10-14 20:35:38,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:38,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:35:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:35:38,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:38,899 INFO L87 Difference]: Start difference. First operand 618 states and 848 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:39,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:39,801 INFO L93 Difference]: Finished difference Result 889 states and 1246 transitions. [2024-10-14 20:35:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:39,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-10-14 20:35:39,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:39,804 INFO L225 Difference]: With dead ends: 889 [2024-10-14 20:35:39,804 INFO L226 Difference]: Without dead ends: 886 [2024-10-14 20:35:39,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:39,805 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 142 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:39,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 232 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:35:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2024-10-14 20:35:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 637. [2024-10-14 20:35:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 524 states have (on average 1.3625954198473282) internal successors, (714), 550 states have internal predecessors, (714), 78 states have call successors, (78), 9 states have call predecessors, (78), 9 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 20:35:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 870 transitions. [2024-10-14 20:35:39,840 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 870 transitions. Word has length 70 [2024-10-14 20:35:39,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:39,840 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 870 transitions. [2024-10-14 20:35:39,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 870 transitions. [2024-10-14 20:35:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:35:39,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:39,841 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:39,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 20:35:39,841 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:39,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1711621802, now seen corresponding path program 1 times [2024-10-14 20:35:39,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:39,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536841890] [2024-10-14 20:35:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:39,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910876516] [2024-10-14 20:35:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:39,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:39,862 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) [2024-10-14 20:35:39,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:35:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:39,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:35:39,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:40,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:40,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:40,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536841890] [2024-10-14 20:35:40,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:40,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910876516] [2024-10-14 20:35:40,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910876516] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:40,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:40,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:35:40,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041959420] [2024-10-14 20:35:40,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:40,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:40,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:40,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:40,355 INFO L87 Difference]: Start difference. First operand 637 states and 870 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:40,591 INFO L93 Difference]: Finished difference Result 1005 states and 1433 transitions. [2024-10-14 20:35:40,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:40,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-10-14 20:35:40,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:40,595 INFO L225 Difference]: With dead ends: 1005 [2024-10-14 20:35:40,595 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 20:35:40,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:35:40,596 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 151 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:40,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 292 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:40,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 20:35:40,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 794. [2024-10-14 20:35:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 661 states have (on average 1.3691376701966718) internal successors, (905), 686 states have internal predecessors, (905), 98 states have call successors, (98), 9 states have call predecessors, (98), 9 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-14 20:35:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1101 transitions. [2024-10-14 20:35:40,640 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1101 transitions. Word has length 71 [2024-10-14 20:35:40,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:40,640 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1101 transitions. [2024-10-14 20:35:40,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1101 transitions. [2024-10-14 20:35:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:35:40,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:40,641 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:40,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:35:40,841 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,SelfDestructingSolverStorable24 [2024-10-14 20:35:40,842 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:40,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:40,842 INFO L85 PathProgramCache]: Analyzing trace with hash 516642866, now seen corresponding path program 1 times [2024-10-14 20:35:40,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:40,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680760302] [2024-10-14 20:35:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:40,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912867519] [2024-10-14 20:35:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:40,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:40,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:40,858 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) [2024-10-14 20:35:40,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:35:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:40,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:35:40,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:35:41,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:41,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:41,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680760302] [2024-10-14 20:35:41,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:41,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912867519] [2024-10-14 20:35:41,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912867519] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:41,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:41,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:35:41,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76235696] [2024-10-14 20:35:41,337 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:41,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:35:41,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:41,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:35:41,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:41,338 INFO L87 Difference]: Start difference. First operand 794 states and 1101 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:41,758 INFO L93 Difference]: Finished difference Result 825 states and 1124 transitions. [2024-10-14 20:35:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:35:41,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-10-14 20:35:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:41,760 INFO L225 Difference]: With dead ends: 825 [2024-10-14 20:35:41,760 INFO L226 Difference]: Without dead ends: 818 [2024-10-14 20:35:41,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:35:41,761 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 270 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:41,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 239 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-10-14 20:35:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 792. [2024-10-14 20:35:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 659 states have (on average 1.362670713201821) internal successors, (898), 684 states have internal predecessors, (898), 98 states have call successors, (98), 9 states have call predecessors, (98), 9 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-14 20:35:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1094 transitions. [2024-10-14 20:35:41,797 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1094 transitions. Word has length 71 [2024-10-14 20:35:41,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:41,797 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1094 transitions. [2024-10-14 20:35:41,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:35:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1094 transitions. [2024-10-14 20:35:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:35:41,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:41,798 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:41,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:35:42,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:42,003 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:42,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2094134107, now seen corresponding path program 1 times [2024-10-14 20:35:42,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:42,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576214417] [2024-10-14 20:35:42,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:42,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576214417] [2024-10-14 20:35:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576214417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251673534] [2024-10-14 20:35:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:42,076 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) [2024-10-14 20:35:42,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:35:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:42,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:42,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:42,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:42,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251673534] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:42,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:42,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-14 20:35:42,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390083031] [2024-10-14 20:35:42,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:42,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:35:42,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:42,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:35:42,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:42,270 INFO L87 Difference]: Start difference. First operand 792 states and 1094 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-14 20:35:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:43,185 INFO L93 Difference]: Finished difference Result 1324 states and 1887 transitions. [2024-10-14 20:35:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:35:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 91 [2024-10-14 20:35:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:43,191 INFO L225 Difference]: With dead ends: 1324 [2024-10-14 20:35:43,192 INFO L226 Difference]: Without dead ends: 1322 [2024-10-14 20:35:43,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:43,192 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 330 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:43,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 355 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:35:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-10-14 20:35:43,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1037. [2024-10-14 20:35:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 863 states have (on average 1.3696407879490151) internal successors, (1182), 887 states have internal predecessors, (1182), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-14 20:35:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1462 transitions. [2024-10-14 20:35:43,247 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1462 transitions. Word has length 91 [2024-10-14 20:35:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:43,247 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1462 transitions. [2024-10-14 20:35:43,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-14 20:35:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1462 transitions. [2024-10-14 20:35:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 20:35:43,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:43,249 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:43,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:35:43,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:35:43,449 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:43,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash 493647982, now seen corresponding path program 1 times [2024-10-14 20:35:43,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:43,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183813680] [2024-10-14 20:35:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:43,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:43,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183813680] [2024-10-14 20:35:43,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183813680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:43,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209053957] [2024-10-14 20:35:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:43,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:43,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:43,516 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) [2024-10-14 20:35:43,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:35:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:43,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:43,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:43,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:43,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209053957] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:43,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:43,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-14 20:35:43,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146336340] [2024-10-14 20:35:43,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:43,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:43,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:43,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:43,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:43,713 INFO L87 Difference]: Start difference. First operand 1037 states and 1462 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-14 20:35:44,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:44,406 INFO L93 Difference]: Finished difference Result 1354 states and 1894 transitions. [2024-10-14 20:35:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:35:44,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 92 [2024-10-14 20:35:44,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:44,411 INFO L225 Difference]: With dead ends: 1354 [2024-10-14 20:35:44,411 INFO L226 Difference]: Without dead ends: 1352 [2024-10-14 20:35:44,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:35:44,411 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 932 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:44,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 445 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:35:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-10-14 20:35:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1041. [2024-10-14 20:35:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 868 states have (on average 1.3317972350230414) internal successors, (1156), 891 states have internal predecessors, (1156), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-14 20:35:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1436 transitions. [2024-10-14 20:35:44,463 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1436 transitions. Word has length 92 [2024-10-14 20:35:44,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:44,463 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1436 transitions. [2024-10-14 20:35:44,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 11 states have internal predecessors, (126), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-14 20:35:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1436 transitions. [2024-10-14 20:35:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 20:35:44,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:44,464 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:44,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:35:44,668 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,SelfDestructingSolverStorable27 [2024-10-14 20:35:44,669 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:44,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1949311622, now seen corresponding path program 1 times [2024-10-14 20:35:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462217856] [2024-10-14 20:35:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462217856] [2024-10-14 20:35:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462217856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:44,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:44,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:35:44,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482345731] [2024-10-14 20:35:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:44,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:35:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:44,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:35:44,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:35:44,720 INFO L87 Difference]: Start difference. First operand 1041 states and 1436 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:35:44,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:44,801 INFO L93 Difference]: Finished difference Result 1041 states and 1436 transitions. [2024-10-14 20:35:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:35:44,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2024-10-14 20:35:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:44,805 INFO L225 Difference]: With dead ends: 1041 [2024-10-14 20:35:44,805 INFO L226 Difference]: Without dead ends: 1040 [2024-10-14 20:35:44,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:35:44,805 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:44,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 148 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:35:44,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-10-14 20:35:44,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2024-10-14 20:35:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 868 states have (on average 1.3214285714285714) internal successors, (1147), 890 states have internal predecessors, (1147), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-14 20:35:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1427 transitions. [2024-10-14 20:35:44,902 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1427 transitions. Word has length 94 [2024-10-14 20:35:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:44,903 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1427 transitions. [2024-10-14 20:35:44,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:35:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1427 transitions. [2024-10-14 20:35:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:35:44,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:44,905 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:44,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 20:35:44,906 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:44,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 682731976, now seen corresponding path program 1 times [2024-10-14 20:35:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:44,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717269046] [2024-10-14 20:35:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:45,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:45,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717269046] [2024-10-14 20:35:45,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717269046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:45,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909416277] [2024-10-14 20:35:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:45,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:45,010 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) [2024-10-14 20:35:45,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:35:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:45,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:45,184 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:35:45,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909416277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:45,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:45,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-14 20:35:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751888819] [2024-10-14 20:35:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:45,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:35:45,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:45,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:35:45,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:45,185 INFO L87 Difference]: Start difference. First operand 1040 states and 1427 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:35:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:45,456 INFO L93 Difference]: Finished difference Result 1058 states and 1458 transitions. [2024-10-14 20:35:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:35:45,457 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2024-10-14 20:35:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:45,460 INFO L225 Difference]: With dead ends: 1058 [2024-10-14 20:35:45,460 INFO L226 Difference]: Without dead ends: 1057 [2024-10-14 20:35:45,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:35:45,461 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 88 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:45,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 128 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:45,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-10-14 20:35:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1039. [2024-10-14 20:35:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 868 states have (on average 1.3133640552995391) internal successors, (1140), 889 states have internal predecessors, (1140), 140 states have call successors, (140), 9 states have call predecessors, (140), 9 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-14 20:35:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1420 transitions. [2024-10-14 20:35:45,511 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1420 transitions. Word has length 96 [2024-10-14 20:35:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:45,511 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1420 transitions. [2024-10-14 20:35:45,511 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:35:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1420 transitions. [2024-10-14 20:35:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 20:35:45,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:45,512 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:45,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:45,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:45,713 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:45,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:45,713 INFO L85 PathProgramCache]: Analyzing trace with hash -310145086, now seen corresponding path program 1 times [2024-10-14 20:35:45,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:45,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570328403] [2024-10-14 20:35:45,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:45,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:45,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570328403] [2024-10-14 20:35:45,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570328403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453431197] [2024-10-14 20:35:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:45,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:45,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:45,835 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) [2024-10-14 20:35:45,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:35:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:45,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:35:45,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:46,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-14 20:35:46,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453431197] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:46,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:46,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-14 20:35:46,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498300902] [2024-10-14 20:35:46,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:46,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:35:46,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:46,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:35:46,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:35:46,248 INFO L87 Difference]: Start difference. First operand 1039 states and 1420 transitions. Second operand has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-14 20:35:46,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:46,714 INFO L93 Difference]: Finished difference Result 1434 states and 1980 transitions. [2024-10-14 20:35:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:35:46,715 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 97 [2024-10-14 20:35:46,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:46,719 INFO L225 Difference]: With dead ends: 1434 [2024-10-14 20:35:46,719 INFO L226 Difference]: Without dead ends: 1432 [2024-10-14 20:35:46,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:35:46,720 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 301 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:46,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 343 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:35:46,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-10-14 20:35:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1189. [2024-10-14 20:35:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1000 states have (on average 1.312) internal successors, (1312), 1021 states have internal predecessors, (1312), 158 states have call successors, (158), 9 states have call predecessors, (158), 9 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-14 20:35:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1628 transitions. [2024-10-14 20:35:46,788 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1628 transitions. Word has length 97 [2024-10-14 20:35:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:46,789 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1628 transitions. [2024-10-14 20:35:46,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.5) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-14 20:35:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1628 transitions. [2024-10-14 20:35:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 20:35:46,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:46,815 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:46,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:35:47,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:47,016 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:47,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -333473127, now seen corresponding path program 1 times [2024-10-14 20:35:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:47,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054606399] [2024-10-14 20:35:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:47,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 20:35:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:35:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 20:35:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:35:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:47,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:47,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054606399] [2024-10-14 20:35:47,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054606399] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:47,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630015742] [2024-10-14 20:35:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:47,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:47,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:47,179 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) [2024-10-14 20:35:47,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:35:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:47,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:35:47,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:47,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:47,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630015742] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:47,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:47,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-14 20:35:47,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643850584] [2024-10-14 20:35:47,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:47,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:47,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:47,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:35:47,630 INFO L87 Difference]: Start difference. First operand 1189 states and 1628 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-14 20:35:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:48,057 INFO L93 Difference]: Finished difference Result 1234 states and 1676 transitions. [2024-10-14 20:35:48,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:35:48,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2024-10-14 20:35:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:48,061 INFO L225 Difference]: With dead ends: 1234 [2024-10-14 20:35:48,061 INFO L226 Difference]: Without dead ends: 1233 [2024-10-14 20:35:48,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:35:48,062 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 506 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:48,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 312 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-10-14 20:35:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1118. [2024-10-14 20:35:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 940 states have (on average 1.3085106382978724) internal successors, (1230), 960 states have internal predecessors, (1230), 148 states have call successors, (148), 9 states have call predecessors, (148), 9 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 20:35:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1526 transitions. [2024-10-14 20:35:48,131 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1526 transitions. Word has length 107 [2024-10-14 20:35:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:48,131 INFO L471 AbstractCegarLoop]: Abstraction has 1118 states and 1526 transitions. [2024-10-14 20:35:48,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-14 20:35:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1526 transitions. [2024-10-14 20:35:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:35:48,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:48,132 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:48,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:35:48,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:48,336 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:48,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1773829879, now seen corresponding path program 1 times [2024-10-14 20:35:48,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:48,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170970834] [2024-10-14 20:35:48,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:48,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:35:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:48,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170970834] [2024-10-14 20:35:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170970834] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712362604] [2024-10-14 20:35:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:48,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:48,445 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) [2024-10-14 20:35:48,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:35:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:48,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:35:48,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:35:48,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:48,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712362604] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:35:48,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:35:48,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-14 20:35:48,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311256949] [2024-10-14 20:35:48,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:48,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-14 20:35:48,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:48,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-14 20:35:48,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:35:48,792 INFO L87 Difference]: Start difference. First operand 1118 states and 1526 transitions. Second operand has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-14 20:35:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:49,358 INFO L93 Difference]: Finished difference Result 1863 states and 2451 transitions. [2024-10-14 20:35:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-14 20:35:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 109 [2024-10-14 20:35:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:49,365 INFO L225 Difference]: With dead ends: 1863 [2024-10-14 20:35:49,365 INFO L226 Difference]: Without dead ends: 1601 [2024-10-14 20:35:49,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-10-14 20:35:49,369 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 330 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:49,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 949 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:35:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-10-14 20:35:49,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1404. [2024-10-14 20:35:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1183 states have (on average 1.2857142857142858) internal successors, (1521), 1203 states have internal predecessors, (1521), 181 states have call successors, (181), 19 states have call predecessors, (181), 19 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-10-14 20:35:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1883 transitions. [2024-10-14 20:35:49,561 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1883 transitions. Word has length 109 [2024-10-14 20:35:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:49,561 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1883 transitions. [2024-10-14 20:35:49,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.666666666666667) internal successors, (184), 25 states have internal predecessors, (184), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-14 20:35:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1883 transitions. [2024-10-14 20:35:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:35:49,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:49,565 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:49,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:49,766 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,SelfDestructingSolverStorable32 [2024-10-14 20:35:49,766 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:49,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:49,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2097993323, now seen corresponding path program 1 times [2024-10-14 20:35:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:49,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50895752] [2024-10-14 20:35:49,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:49,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:49,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722043346] [2024-10-14 20:35:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:49,785 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) [2024-10-14 20:35:49,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:35:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:49,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:35:49,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:50,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:50,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:50,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50895752] [2024-10-14 20:35:50,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:50,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722043346] [2024-10-14 20:35:50,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722043346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:50,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:50,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:35:50,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591569005] [2024-10-14 20:35:50,290 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:50,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:50,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:50,291 INFO L87 Difference]: Start difference. First operand 1404 states and 1883 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:51,183 INFO L93 Difference]: Finished difference Result 2653 states and 3662 transitions. [2024-10-14 20:35:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:35:51,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 109 [2024-10-14 20:35:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:51,191 INFO L225 Difference]: With dead ends: 2653 [2024-10-14 20:35:51,191 INFO L226 Difference]: Without dead ends: 2650 [2024-10-14 20:35:51,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:35:51,193 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 254 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:51,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 507 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:35:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2024-10-14 20:35:51,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1460. [2024-10-14 20:35:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1230 states have (on average 1.2853658536585366) internal successors, (1581), 1250 states have internal predecessors, (1581), 190 states have call successors, (190), 19 states have call predecessors, (190), 19 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-10-14 20:35:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1961 transitions. [2024-10-14 20:35:51,277 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1961 transitions. Word has length 109 [2024-10-14 20:35:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:51,277 INFO L471 AbstractCegarLoop]: Abstraction has 1460 states and 1961 transitions. [2024-10-14 20:35:51,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1961 transitions. [2024-10-14 20:35:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:35:51,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:51,278 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:51,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:51,478 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,SelfDestructingSolverStorable33 [2024-10-14 20:35:51,479 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:51,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:51,479 INFO L85 PathProgramCache]: Analyzing trace with hash -613283511, now seen corresponding path program 1 times [2024-10-14 20:35:51,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:51,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737000269] [2024-10-14 20:35:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:51,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:51,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607015606] [2024-10-14 20:35:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:51,493 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) [2024-10-14 20:35:51,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:35:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:51,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:35:51,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:51,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:52,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737000269] [2024-10-14 20:35:52,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607015606] [2024-10-14 20:35:52,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607015606] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:52,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:52,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:35:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879544625] [2024-10-14 20:35:52,473 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:52,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:35:52,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:52,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:35:52,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:35:52,474 INFO L87 Difference]: Start difference. First operand 1460 states and 1961 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:52,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:52,838 INFO L93 Difference]: Finished difference Result 1606 states and 2148 transitions. [2024-10-14 20:35:52,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:35:52,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-10-14 20:35:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:52,842 INFO L225 Difference]: With dead ends: 1606 [2024-10-14 20:35:52,843 INFO L226 Difference]: Without dead ends: 1603 [2024-10-14 20:35:52,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:35:52,844 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 94 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:52,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 265 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2024-10-14 20:35:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1574. [2024-10-14 20:35:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1327 states have (on average 1.2840994724943482) internal successors, (1704), 1347 states have internal predecessors, (1704), 207 states have call successors, (207), 19 states have call predecessors, (207), 19 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-10-14 20:35:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2118 transitions. [2024-10-14 20:35:52,965 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2118 transitions. Word has length 110 [2024-10-14 20:35:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:52,966 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2118 transitions. [2024-10-14 20:35:52,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2118 transitions. [2024-10-14 20:35:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 20:35:52,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:52,967 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:52,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:53,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:53,167 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:53,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1831919593, now seen corresponding path program 1 times [2024-10-14 20:35:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226699486] [2024-10-14 20:35:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:35:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:35:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:35:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:35:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:35:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:35:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:35:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:35:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:35:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 20:35:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:53,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226699486] [2024-10-14 20:35:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226699486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:35:53,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:35:53,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:35:53,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223973750] [2024-10-14 20:35:53,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:35:53,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:35:53,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:53,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:35:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:35:53,240 INFO L87 Difference]: Start difference. First operand 1574 states and 2118 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:35:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:53,994 INFO L93 Difference]: Finished difference Result 1581 states and 2121 transitions. [2024-10-14 20:35:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:35:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 111 [2024-10-14 20:35:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:53,999 INFO L225 Difference]: With dead ends: 1581 [2024-10-14 20:35:54,000 INFO L226 Difference]: Without dead ends: 1579 [2024-10-14 20:35:54,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:35:54,001 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 105 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:54,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 220 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:35:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-10-14 20:35:54,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1540. [2024-10-14 20:35:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1299 states have (on average 1.2755966127790608) internal successors, (1657), 1317 states have internal predecessors, (1657), 203 states have call successors, (203), 19 states have call predecessors, (203), 19 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-10-14 20:35:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2063 transitions. [2024-10-14 20:35:54,083 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2063 transitions. Word has length 111 [2024-10-14 20:35:54,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:54,083 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2063 transitions. [2024-10-14 20:35:54,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:35:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2063 transitions. [2024-10-14 20:35:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:35:54,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:54,084 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:54,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 20:35:54,084 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:54,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:54,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1111770159, now seen corresponding path program 2 times [2024-10-14 20:35:54,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:54,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905436663] [2024-10-14 20:35:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:54,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857901851] [2024-10-14 20:35:54,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:35:54,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:54,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:54,098 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) [2024-10-14 20:35:54,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:35:54,148 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:35:54,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:35:54,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:35:54,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-14 20:35:54,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:35:54,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:35:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905436663] [2024-10-14 20:35:54,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:35:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857901851] [2024-10-14 20:35:54,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857901851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:35:54,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:35:54,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:35:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105074347] [2024-10-14 20:35:54,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:35:54,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:35:54,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:35:54,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:35:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:35:54,774 INFO L87 Difference]: Start difference. First operand 1540 states and 2063 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:35:55,206 INFO L93 Difference]: Finished difference Result 1915 states and 2570 transitions. [2024-10-14 20:35:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 20:35:55,209 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 112 [2024-10-14 20:35:55,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:35:55,215 INFO L225 Difference]: With dead ends: 1915 [2024-10-14 20:35:55,215 INFO L226 Difference]: Without dead ends: 1912 [2024-10-14 20:35:55,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:35:55,216 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 242 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:35:55,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 356 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:35:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-10-14 20:35:55,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1540. [2024-10-14 20:35:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1299 states have (on average 1.27328714395689) internal successors, (1654), 1317 states have internal predecessors, (1654), 203 states have call successors, (203), 19 states have call predecessors, (203), 19 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-10-14 20:35:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2060 transitions. [2024-10-14 20:35:55,301 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2060 transitions. Word has length 112 [2024-10-14 20:35:55,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:35:55,301 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2060 transitions. [2024-10-14 20:35:55,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-14 20:35:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2060 transitions. [2024-10-14 20:35:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:35:55,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:35:55,302 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:35:55,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:35:55,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:55,506 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:35:55,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:35:55,507 INFO L85 PathProgramCache]: Analyzing trace with hash -954932469, now seen corresponding path program 1 times [2024-10-14 20:35:55,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:35:55,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083040669] [2024-10-14 20:35:55,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:35:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:35:55,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811101579] [2024-10-14 20:35:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:35:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:35:55,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:35:55,521 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) [2024-10-14 20:35:55,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:35:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:35:55,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 20:35:55,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:35:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 20:35:55,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:04,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:04,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083040669] [2024-10-14 20:36:04,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:04,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811101579] [2024-10-14 20:36:04,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811101579] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:04,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:04,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:36:04,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016958221] [2024-10-14 20:36:04,271 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:04,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:36:04,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:36:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=163, Unknown=2, NotChecked=0, Total=210 [2024-10-14 20:36:04,272 INFO L87 Difference]: Start difference. First operand 1540 states and 2060 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:36:04,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:04,860 INFO L93 Difference]: Finished difference Result 1562 states and 2072 transitions. [2024-10-14 20:36:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:36:04,860 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), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2024-10-14 20:36:04,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:04,865 INFO L225 Difference]: With dead ends: 1562 [2024-10-14 20:36:04,865 INFO L226 Difference]: Without dead ends: 1555 [2024-10-14 20:36:04,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=90, Invalid=328, Unknown=2, NotChecked=0, Total=420 [2024-10-14 20:36:04,866 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 212 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:04,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 317 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:36:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-10-14 20:36:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1406. [2024-10-14 20:36:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1185 states have (on average 1.270042194092827) internal successors, (1505), 1204 states have internal predecessors, (1505), 183 states have call successors, (183), 19 states have call predecessors, (183), 19 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-10-14 20:36:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1871 transitions. [2024-10-14 20:36:04,979 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1871 transitions. Word has length 112 [2024-10-14 20:36:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:04,979 INFO L471 AbstractCegarLoop]: Abstraction has 1406 states and 1871 transitions. [2024-10-14 20:36:04,979 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), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-14 20:36:04,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1871 transitions. [2024-10-14 20:36:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 20:36:04,980 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:04,980 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:36:04,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:05,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-14 20:36:05,181 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:05,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:05,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1370438034, now seen corresponding path program 2 times [2024-10-14 20:36:05,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743887114] [2024-10-14 20:36:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 20:36:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:36:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 20:36:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 20:36:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:36:05,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:05,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743887114] [2024-10-14 20:36:05,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743887114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:36:05,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:36:05,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:36:05,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512292577] [2024-10-14 20:36:05,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:36:05,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:36:05,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:05,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:36:05,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:36:05,241 INFO L87 Difference]: Start difference. First operand 1406 states and 1871 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 20:36:05,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:05,794 INFO L93 Difference]: Finished difference Result 2437 states and 3305 transitions. [2024-10-14 20:36:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:36:05,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 122 [2024-10-14 20:36:05,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:05,798 INFO L225 Difference]: With dead ends: 2437 [2024-10-14 20:36:05,798 INFO L226 Difference]: Without dead ends: 1443 [2024-10-14 20:36:05,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:36:05,800 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 52 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:05,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 173 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:36:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-10-14 20:36:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1376. [2024-10-14 20:36:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1159 states have (on average 1.2821397756686799) internal successors, (1486), 1177 states have internal predecessors, (1486), 181 states have call successors, (181), 17 states have call predecessors, (181), 17 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-10-14 20:36:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1848 transitions. [2024-10-14 20:36:05,881 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1848 transitions. Word has length 122 [2024-10-14 20:36:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:05,881 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1848 transitions. [2024-10-14 20:36:05,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 20:36:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1848 transitions. [2024-10-14 20:36:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 20:36:05,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:05,882 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:05,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 20:36:05,882 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:05,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:05,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2043773060, now seen corresponding path program 1 times [2024-10-14 20:36:05,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:05,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873885216] [2024-10-14 20:36:05,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:05,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 20:36:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:36:06,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:06,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873885216] [2024-10-14 20:36:06,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873885216] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:06,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13812769] [2024-10-14 20:36:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:06,061 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) [2024-10-14 20:36:06,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:36:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:06,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:36:06,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-14 20:36:06,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-14 20:36:06,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13812769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:06,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:06,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-10-14 20:36:06,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232169994] [2024-10-14 20:36:06,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:06,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-14 20:36:06,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:06,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-14 20:36:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:36:06,595 INFO L87 Difference]: Start difference. First operand 1376 states and 1848 transitions. Second operand has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-10-14 20:36:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:07,019 INFO L93 Difference]: Finished difference Result 2009 states and 2649 transitions. [2024-10-14 20:36:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-14 20:36:07,020 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 124 [2024-10-14 20:36:07,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:07,023 INFO L225 Difference]: With dead ends: 2009 [2024-10-14 20:36:07,023 INFO L226 Difference]: Without dead ends: 1529 [2024-10-14 20:36:07,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=488, Invalid=1674, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 20:36:07,025 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 280 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:07,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 830 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:36:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-10-14 20:36:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1483. [2024-10-14 20:36:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1249 states have (on average 1.2618094475580464) internal successors, (1576), 1269 states have internal predecessors, (1576), 190 states have call successors, (190), 25 states have call predecessors, (190), 25 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-10-14 20:36:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1956 transitions. [2024-10-14 20:36:07,127 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1956 transitions. Word has length 124 [2024-10-14 20:36:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:07,128 INFO L471 AbstractCegarLoop]: Abstraction has 1483 states and 1956 transitions. [2024-10-14 20:36:07,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-10-14 20:36:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1956 transitions. [2024-10-14 20:36:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 20:36:07,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:07,129 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:07,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-14 20:36:07,330 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,SelfDestructingSolverStorable39 [2024-10-14 20:36:07,330 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:07,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:07,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1818834514, now seen corresponding path program 2 times [2024-10-14 20:36:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:07,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328914313] [2024-10-14 20:36:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355066256] [2024-10-14 20:36:07,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:07,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:07,356 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) [2024-10-14 20:36:07,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:36:07,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:07,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:07,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:36:07,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 20:36:07,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:36:07,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:07,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328914313] [2024-10-14 20:36:07,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:07,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355066256] [2024-10-14 20:36:07,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355066256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:36:07,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:36:07,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 20:36:07,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445377750] [2024-10-14 20:36:07,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:36:07,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:36:07,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:07,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:36:07,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:36:07,813 INFO L87 Difference]: Start difference. First operand 1483 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 20:36:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:08,312 INFO L93 Difference]: Finished difference Result 1962 states and 2641 transitions. [2024-10-14 20:36:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:36:08,312 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 150 [2024-10-14 20:36:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:08,316 INFO L225 Difference]: With dead ends: 1962 [2024-10-14 20:36:08,316 INFO L226 Difference]: Without dead ends: 1959 [2024-10-14 20:36:08,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:36:08,319 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 187 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:08,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 493 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:36:08,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2024-10-14 20:36:08,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1066. [2024-10-14 20:36:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 891 states have (on average 1.2143658810325477) internal successors, (1082), 908 states have internal predecessors, (1082), 134 states have call successors, (134), 25 states have call predecessors, (134), 25 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-10-14 20:36:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1350 transitions. [2024-10-14 20:36:08,429 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1350 transitions. Word has length 150 [2024-10-14 20:36:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:08,433 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1350 transitions. [2024-10-14 20:36:08,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 20:36:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1350 transitions. [2024-10-14 20:36:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 20:36:08,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:08,434 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:08,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:08,635 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,SelfDestructingSolverStorable40 [2024-10-14 20:36:08,635 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:08,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:08,635 INFO L85 PathProgramCache]: Analyzing trace with hash -549295024, now seen corresponding path program 2 times [2024-10-14 20:36:08,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:08,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294838727] [2024-10-14 20:36:08,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:08,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:08,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270942894] [2024-10-14 20:36:08,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:08,651 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) [2024-10-14 20:36:08,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:36:08,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:08,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:08,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:36:08,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 20:36:09,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:09,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294838727] [2024-10-14 20:36:09,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270942894] [2024-10-14 20:36:09,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270942894] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:09,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:09,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:36:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166765557] [2024-10-14 20:36:09,620 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:09,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:36:09,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:36:09,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:36:09,621 INFO L87 Difference]: Start difference. First operand 1066 states and 1350 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 20:36:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:09,916 INFO L93 Difference]: Finished difference Result 1189 states and 1513 transitions. [2024-10-14 20:36:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:36:09,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-10-14 20:36:09,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:09,919 INFO L225 Difference]: With dead ends: 1189 [2024-10-14 20:36:09,919 INFO L226 Difference]: Without dead ends: 1186 [2024-10-14 20:36:09,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:36:09,920 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 154 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:09,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 298 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:36:09,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-10-14 20:36:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1167. [2024-10-14 20:36:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 976 states have (on average 1.221311475409836) internal successors, (1192), 993 states have internal predecessors, (1192), 150 states have call successors, (150), 25 states have call predecessors, (150), 25 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-14 20:36:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1492 transitions. [2024-10-14 20:36:10,000 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1492 transitions. Word has length 151 [2024-10-14 20:36:10,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:10,000 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1492 transitions. [2024-10-14 20:36:10,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 20:36:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1492 transitions. [2024-10-14 20:36:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 20:36:10,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:10,001 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:10,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:10,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:10,206 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:10,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:10,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1819803274, now seen corresponding path program 3 times [2024-10-14 20:36:10,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:10,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590843306] [2024-10-14 20:36:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:10,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:10,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287234649] [2024-10-14 20:36:10,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:36:10,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:10,226 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) [2024-10-14 20:36:10,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:36:10,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 20:36:10,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:10,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:36:10,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-10-14 20:36:10,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:11,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:11,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590843306] [2024-10-14 20:36:11,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:11,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287234649] [2024-10-14 20:36:11,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287234649] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:11,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:11,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:36:11,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900937140] [2024-10-14 20:36:11,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:11,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:36:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:36:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:36:11,198 INFO L87 Difference]: Start difference. First operand 1167 states and 1492 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:36:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:12,084 INFO L93 Difference]: Finished difference Result 1387 states and 1783 transitions. [2024-10-14 20:36:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:36:12,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2024-10-14 20:36:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:12,088 INFO L225 Difference]: With dead ends: 1387 [2024-10-14 20:36:12,088 INFO L226 Difference]: Without dead ends: 1383 [2024-10-14 20:36:12,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:36:12,088 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 319 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:12,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 422 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:36:12,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-10-14 20:36:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1163. [2024-10-14 20:36:12,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 972 states have (on average 1.2037037037037037) internal successors, (1170), 989 states have internal predecessors, (1170), 150 states have call successors, (150), 25 states have call predecessors, (150), 25 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-14 20:36:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1470 transitions. [2024-10-14 20:36:12,174 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1470 transitions. Word has length 153 [2024-10-14 20:36:12,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:12,174 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1470 transitions. [2024-10-14 20:36:12,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:36:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1470 transitions. [2024-10-14 20:36:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 20:36:12,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:12,175 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:12,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:36:12,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:12,377 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:12,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:12,378 INFO L85 PathProgramCache]: Analyzing trace with hash 408461394, now seen corresponding path program 2 times [2024-10-14 20:36:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:12,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226992458] [2024-10-14 20:36:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:12,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:12,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641506905] [2024-10-14 20:36:12,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:12,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:12,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:12,400 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) [2024-10-14 20:36:12,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:36:12,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:12,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:12,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 20:36:12,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 20:36:12,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:14,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226992458] [2024-10-14 20:36:14,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641506905] [2024-10-14 20:36:14,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641506905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:14,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:14,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:36:14,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641664176] [2024-10-14 20:36:14,347 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:14,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:36:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:14,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:36:14,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:36:14,348 INFO L87 Difference]: Start difference. First operand 1163 states and 1470 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:36:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:14,879 INFO L93 Difference]: Finished difference Result 1185 states and 1483 transitions. [2024-10-14 20:36:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:36:14,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 153 [2024-10-14 20:36:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:14,882 INFO L225 Difference]: With dead ends: 1185 [2024-10-14 20:36:14,882 INFO L226 Difference]: Without dead ends: 1178 [2024-10-14 20:36:14,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:36:14,883 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 94 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:14,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 462 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:36:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-10-14 20:36:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1087. [2024-10-14 20:36:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 908 states have (on average 1.1883259911894273) internal successors, (1079), 925 states have internal predecessors, (1079), 138 states have call successors, (138), 25 states have call predecessors, (138), 25 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-14 20:36:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1355 transitions. [2024-10-14 20:36:14,980 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1355 transitions. Word has length 153 [2024-10-14 20:36:14,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:14,980 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1355 transitions. [2024-10-14 20:36:14,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:36:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1355 transitions. [2024-10-14 20:36:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 20:36:14,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:14,981 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-14 20:36:15,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:15,185 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:15,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:15,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1318603289, now seen corresponding path program 3 times [2024-10-14 20:36:15,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:15,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969511862] [2024-10-14 20:36:15,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:15,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:15,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664091636] [2024-10-14 20:36:15,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:36:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:15,204 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) [2024-10-14 20:36:15,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:36:15,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-14 20:36:15,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:15,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 20:36:15,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 99 proven. 76 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-14 20:36:15,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:21,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:21,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969511862] [2024-10-14 20:36:21,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:21,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664091636] [2024-10-14 20:36:21,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664091636] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:21,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:21,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-14 20:36:21,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129697847] [2024-10-14 20:36:21,094 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:21,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:36:21,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:21,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:36:21,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=271, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:36:21,095 INFO L87 Difference]: Start difference. First operand 1087 states and 1355 transitions. Second operand has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:36:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:24,858 INFO L93 Difference]: Finished difference Result 1214 states and 1518 transitions. [2024-10-14 20:36:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 20:36:24,859 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 163 [2024-10-14 20:36:24,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:24,861 INFO L225 Difference]: With dead ends: 1214 [2024-10-14 20:36:24,861 INFO L226 Difference]: Without dead ends: 1192 [2024-10-14 20:36:24,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=312, Invalid=1093, Unknown=1, NotChecked=0, Total=1406 [2024-10-14 20:36:24,863 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 349 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:24,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 297 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-14 20:36:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-10-14 20:36:24,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1050. [2024-10-14 20:36:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 885 states have (on average 1.1468926553672316) internal successors, (1015), 901 states have internal predecessors, (1015), 125 states have call successors, (125), 25 states have call predecessors, (125), 25 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2024-10-14 20:36:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1265 transitions. [2024-10-14 20:36:24,959 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1265 transitions. Word has length 163 [2024-10-14 20:36:24,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:24,960 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1265 transitions. [2024-10-14 20:36:24,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:36:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1265 transitions. [2024-10-14 20:36:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-14 20:36:24,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:24,961 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:24,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:25,165 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,SelfDestructingSolverStorable44 [2024-10-14 20:36:25,166 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:25,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash 162410459, now seen corresponding path program 3 times [2024-10-14 20:36:25,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:25,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87471433] [2024-10-14 20:36:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:25,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310493071] [2024-10-14 20:36:25,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:36:25,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:25,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:25,188 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) [2024-10-14 20:36:25,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:36:25,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-14 20:36:25,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:25,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 20:36:25,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-14 20:36:25,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:25,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:25,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87471433] [2024-10-14 20:36:25,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:25,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310493071] [2024-10-14 20:36:25,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310493071] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:25,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:25,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-14 20:36:25,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798042833] [2024-10-14 20:36:25,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:25,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:36:25,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:25,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:36:25,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:36:25,777 INFO L87 Difference]: Start difference. First operand 1050 states and 1265 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:36:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:26,971 INFO L93 Difference]: Finished difference Result 1065 states and 1282 transitions. [2024-10-14 20:36:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:36:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 165 [2024-10-14 20:36:26,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:26,973 INFO L225 Difference]: With dead ends: 1065 [2024-10-14 20:36:26,974 INFO L226 Difference]: Without dead ends: 1035 [2024-10-14 20:36:26,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:36:26,975 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 215 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:26,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 213 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:36:26,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-10-14 20:36:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 983. [2024-10-14 20:36:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 825 states have (on average 1.143030303030303) internal successors, (943), 838 states have internal predecessors, (943), 119 states have call successors, (119), 25 states have call predecessors, (119), 25 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-10-14 20:36:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1181 transitions. [2024-10-14 20:36:27,064 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1181 transitions. Word has length 165 [2024-10-14 20:36:27,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:27,064 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1181 transitions. [2024-10-14 20:36:27,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-14 20:36:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1181 transitions. [2024-10-14 20:36:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-14 20:36:27,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:27,066 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:27,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-14 20:36:27,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:27,271 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:27,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1594842790, now seen corresponding path program 1 times [2024-10-14 20:36:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:27,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787531272] [2024-10-14 20:36:27,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:27,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 20:36:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 20:36:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 20:36:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 20:36:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 20:36:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 20:36:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 20:36:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-14 20:36:27,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:27,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787531272] [2024-10-14 20:36:27,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787531272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:27,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499473831] [2024-10-14 20:36:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:27,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:27,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:27,395 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) [2024-10-14 20:36:27,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:36:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:27,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:36:27,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 377 proven. 48 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-14 20:36:27,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-10-14 20:36:27,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499473831] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:27,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:27,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-14 20:36:27,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722323997] [2024-10-14 20:36:27,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:27,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:36:27,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:27,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:36:27,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:36:27,698 INFO L87 Difference]: Start difference. First operand 983 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-14 20:36:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:28,523 INFO L93 Difference]: Finished difference Result 1634 states and 1996 transitions. [2024-10-14 20:36:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:36:28,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 206 [2024-10-14 20:36:28,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:28,526 INFO L225 Difference]: With dead ends: 1634 [2024-10-14 20:36:28,526 INFO L226 Difference]: Without dead ends: 1022 [2024-10-14 20:36:28,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:36:28,527 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 118 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:28,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 426 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:36:28,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-10-14 20:36:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 960. [2024-10-14 20:36:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 805 states have (on average 1.1503105590062113) internal successors, (926), 818 states have internal predecessors, (926), 120 states have call successors, (120), 21 states have call predecessors, (120), 21 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-14 20:36:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1166 transitions. [2024-10-14 20:36:28,612 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1166 transitions. Word has length 206 [2024-10-14 20:36:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:28,613 INFO L471 AbstractCegarLoop]: Abstraction has 960 states and 1166 transitions. [2024-10-14 20:36:28,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-10-14 20:36:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1166 transitions. [2024-10-14 20:36:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 20:36:28,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:28,614 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:28,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-14 20:36:28,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:28,814 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:28,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:28,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2124397676, now seen corresponding path program 2 times [2024-10-14 20:36:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:28,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372236248] [2024-10-14 20:36:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:28,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 20:36:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 20:36:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-14 20:36:28,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:28,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372236248] [2024-10-14 20:36:28,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372236248] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:28,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702757117] [2024-10-14 20:36:28,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:28,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:28,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:29,004 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:29,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:36:29,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:29,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:29,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:36:29,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-14 20:36:29,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-14 20:36:29,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702757117] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:29,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:29,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-14 20:36:29,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203561539] [2024-10-14 20:36:29,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:29,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:36:29,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:29,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:36:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:36:29,430 INFO L87 Difference]: Start difference. First operand 960 states and 1166 transitions. Second operand has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-14 20:36:30,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:30,260 INFO L93 Difference]: Finished difference Result 1858 states and 2310 transitions. [2024-10-14 20:36:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:36:30,260 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 214 [2024-10-14 20:36:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:30,264 INFO L225 Difference]: With dead ends: 1858 [2024-10-14 20:36:30,264 INFO L226 Difference]: Without dead ends: 1857 [2024-10-14 20:36:30,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:36:30,264 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 565 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:30,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 642 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:36:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-10-14 20:36:30,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1218. [2024-10-14 20:36:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1018 states have (on average 1.1758349705304518) internal successors, (1197), 1031 states have internal predecessors, (1197), 165 states have call successors, (165), 21 states have call predecessors, (165), 21 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 20:36:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1527 transitions. [2024-10-14 20:36:30,382 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1527 transitions. Word has length 214 [2024-10-14 20:36:30,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:30,383 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1527 transitions. [2024-10-14 20:36:30,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.0) internal successors, (208), 14 states have internal predecessors, (208), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-14 20:36:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1527 transitions. [2024-10-14 20:36:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-10-14 20:36:30,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:30,384 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:36:30,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:30,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-14 20:36:30,589 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:30,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1457868590, now seen corresponding path program 1 times [2024-10-14 20:36:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:30,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63315691] [2024-10-14 20:36:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:30,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:36:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:36:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 20:36:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:30,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:30,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63315691] [2024-10-14 20:36:30,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63315691] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:30,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787938937] [2024-10-14 20:36:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:30,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:30,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:30,770 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:30,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:36:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:30,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:36:30,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:31,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:31,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787938937] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:31,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:31,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-14 20:36:31,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12724530] [2024-10-14 20:36:31,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:31,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-14 20:36:31,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:31,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-14 20:36:31,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:36:31,365 INFO L87 Difference]: Start difference. First operand 1218 states and 1527 transitions. Second operand has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-14 20:36:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:32,416 INFO L93 Difference]: Finished difference Result 3121 states and 4077 transitions. [2024-10-14 20:36:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 20:36:32,417 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 232 [2024-10-14 20:36:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:32,422 INFO L225 Difference]: With dead ends: 3121 [2024-10-14 20:36:32,423 INFO L226 Difference]: Without dead ends: 3120 [2024-10-14 20:36:32,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 20:36:32,424 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 1341 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:32,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 601 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:36:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2024-10-14 20:36:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 1819. [2024-10-14 20:36:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1536 states have (on average 1.1796875) internal successors, (1812), 1549 states have internal predecessors, (1812), 248 states have call successors, (248), 21 states have call predecessors, (248), 21 states have return successors, (248), 248 states have call predecessors, (248), 248 states have call successors, (248) [2024-10-14 20:36:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2308 transitions. [2024-10-14 20:36:32,643 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2308 transitions. Word has length 232 [2024-10-14 20:36:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:32,643 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2308 transitions. [2024-10-14 20:36:32,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.904761904761905) internal successors, (355), 22 states have internal predecessors, (355), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-14 20:36:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2308 transitions. [2024-10-14 20:36:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-14 20:36:32,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:32,645 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:32,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-14 20:36:32,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-14 20:36:32,846 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:32,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:32,846 INFO L85 PathProgramCache]: Analyzing trace with hash -387489031, now seen corresponding path program 1 times [2024-10-14 20:36:32,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:32,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304670865] [2024-10-14 20:36:32,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:32,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 20:36:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:36:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 20:36:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:33,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:33,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304670865] [2024-10-14 20:36:33,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304670865] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:33,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289708144] [2024-10-14 20:36:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:33,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:33,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:33,159 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:33,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:36:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:33,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:36:33,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-14 20:36:33,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289708144] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:33,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:33,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-10-14 20:36:33,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335182031] [2024-10-14 20:36:33,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:33,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-14 20:36:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-14 20:36:33,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1037, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 20:36:33,820 INFO L87 Difference]: Start difference. First operand 1819 states and 2308 transitions. Second operand has 37 states, 37 states have (on average 7.702702702702703) internal successors, (285), 37 states have internal predecessors, (285), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-10-14 20:36:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:34,744 INFO L93 Difference]: Finished difference Result 2729 states and 3418 transitions. [2024-10-14 20:36:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-14 20:36:34,744 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 7.702702702702703) internal successors, (285), 37 states have internal predecessors, (285), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 238 [2024-10-14 20:36:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:34,748 INFO L225 Difference]: With dead ends: 2729 [2024-10-14 20:36:34,748 INFO L226 Difference]: Without dead ends: 1922 [2024-10-14 20:36:34,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1327 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1137, Invalid=3975, Unknown=0, NotChecked=0, Total=5112 [2024-10-14 20:36:34,750 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 351 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:34,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 944 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:36:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2024-10-14 20:36:34,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1766. [2024-10-14 20:36:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1766 states, 1480 states have (on average 1.1608108108108108) internal successors, (1718), 1497 states have internal predecessors, (1718), 238 states have call successors, (238), 34 states have call predecessors, (238), 34 states have return successors, (238), 234 states have call predecessors, (238), 238 states have call successors, (238) [2024-10-14 20:36:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2194 transitions. [2024-10-14 20:36:34,959 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2194 transitions. Word has length 238 [2024-10-14 20:36:34,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:34,959 INFO L471 AbstractCegarLoop]: Abstraction has 1766 states and 2194 transitions. [2024-10-14 20:36:34,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.702702702702703) internal successors, (285), 37 states have internal predecessors, (285), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-10-14 20:36:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2194 transitions. [2024-10-14 20:36:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-14 20:36:34,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:34,961 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:34,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-14 20:36:35,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-14 20:36:35,164 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:35,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:35,164 INFO L85 PathProgramCache]: Analyzing trace with hash -906089043, now seen corresponding path program 2 times [2024-10-14 20:36:35,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:35,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150015272] [2024-10-14 20:36:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:35,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 20:36:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 20:36:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 20:36:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 20:36:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:36:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 20:36:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 20:36:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 70 proven. 187 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 20:36:35,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:35,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150015272] [2024-10-14 20:36:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150015272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:35,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971981724] [2024-10-14 20:36:35,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:35,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:35,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:35,313 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:35,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:36:35,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:35,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:35,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:36:35,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 158 proven. 187 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 20:36:35,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 70 proven. 187 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 20:36:35,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971981724] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:35,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:35,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-10-14 20:36:35,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512664014] [2024-10-14 20:36:35,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:35,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:36:35,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:36:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:36:35,757 INFO L87 Difference]: Start difference. First operand 1766 states and 2194 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-14 20:36:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:37,071 INFO L93 Difference]: Finished difference Result 3579 states and 4524 transitions. [2024-10-14 20:36:37,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 20:36:37,072 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 247 [2024-10-14 20:36:37,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:37,076 INFO L225 Difference]: With dead ends: 3579 [2024-10-14 20:36:37,076 INFO L226 Difference]: Without dead ends: 2356 [2024-10-14 20:36:37,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 535 SyntacticMatches, 7 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-10-14 20:36:37,077 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 221 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:37,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 829 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:36:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2024-10-14 20:36:37,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2081. [2024-10-14 20:36:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1749 states have (on average 1.1595197255574614) internal successors, (2028), 1767 states have internal predecessors, (2028), 284 states have call successors, (284), 34 states have call predecessors, (284), 34 states have return successors, (284), 279 states have call predecessors, (284), 284 states have call successors, (284) [2024-10-14 20:36:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2596 transitions. [2024-10-14 20:36:37,331 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2596 transitions. Word has length 247 [2024-10-14 20:36:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:37,331 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 2596 transitions. [2024-10-14 20:36:37,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-14 20:36:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2596 transitions. [2024-10-14 20:36:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-10-14 20:36:37,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:37,333 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:37,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:37,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:37,534 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:37,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 210285190, now seen corresponding path program 3 times [2024-10-14 20:36:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099081387] [2024-10-14 20:36:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:37,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:36:37,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226967183] [2024-10-14 20:36:37,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:36:37,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:37,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:37,562 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:37,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:36:37,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 20:36:37,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:37,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:36:37,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 264 proven. 52 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-10-14 20:36:38,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:38,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099081387] [2024-10-14 20:36:38,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:36:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226967183] [2024-10-14 20:36:38,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226967183] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:38,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:36:38,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-14 20:36:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006940564] [2024-10-14 20:36:38,560 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:38,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:36:38,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:38,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:36:38,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-14 20:36:38,561 INFO L87 Difference]: Start difference. First operand 2081 states and 2596 transitions. Second operand has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:36:39,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:39,643 INFO L93 Difference]: Finished difference Result 2213 states and 2758 transitions. [2024-10-14 20:36:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 20:36:39,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 288 [2024-10-14 20:36:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:39,648 INFO L225 Difference]: With dead ends: 2213 [2024-10-14 20:36:39,648 INFO L226 Difference]: Without dead ends: 2209 [2024-10-14 20:36:39,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:36:39,650 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 269 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:39,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 511 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:36:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2024-10-14 20:36:39,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 2041. [2024-10-14 20:36:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2041 states, 1709 states have (on average 1.1269748390871854) internal successors, (1926), 1727 states have internal predecessors, (1926), 284 states have call successors, (284), 34 states have call predecessors, (284), 34 states have return successors, (284), 279 states have call predecessors, (284), 284 states have call successors, (284) [2024-10-14 20:36:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2494 transitions. [2024-10-14 20:36:39,970 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2494 transitions. Word has length 288 [2024-10-14 20:36:39,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:39,970 INFO L471 AbstractCegarLoop]: Abstraction has 2041 states and 2494 transitions. [2024-10-14 20:36:39,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.272727272727273) internal successors, (91), 12 states have internal predecessors, (91), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:36:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2494 transitions. [2024-10-14 20:36:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-10-14 20:36:39,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:39,972 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:39,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-14 20:36:40,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:40,176 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:40,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1140025149, now seen corresponding path program 2 times [2024-10-14 20:36:40,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:40,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009601816] [2024-10-14 20:36:40,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 20:36:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 20:36:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-14 20:36:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 20:36:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 20:36:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 20:36:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-14 20:36:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 20:36:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 20:36:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 20:36:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-14 20:36:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 2 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 20:36:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009601816] [2024-10-14 20:36:40,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009601816] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:40,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195093781] [2024-10-14 20:36:40,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:36:40,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:40,626 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:40,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:36:40,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:36:40,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:36:40,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:36:40,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 20:36:41,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 20:36:41,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195093781] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:41,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:41,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 45 [2024-10-14 20:36:41,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087797856] [2024-10-14 20:36:41,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:41,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-14 20:36:41,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-14 20:36:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1746, Unknown=0, NotChecked=0, Total=1980 [2024-10-14 20:36:41,848 INFO L87 Difference]: Start difference. First operand 2041 states and 2494 transitions. Second operand has 45 states, 45 states have (on average 11.377777777777778) internal successors, (512), 45 states have internal predecessors, (512), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-10-14 20:36:52,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:52,270 INFO L93 Difference]: Finished difference Result 6406 states and 8140 transitions. [2024-10-14 20:36:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-10-14 20:36:52,270 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 11.377777777777778) internal successors, (512), 45 states have internal predecessors, (512), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) Word has length 329 [2024-10-14 20:36:52,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:52,277 INFO L225 Difference]: With dead ends: 6406 [2024-10-14 20:36:52,278 INFO L226 Difference]: Without dead ends: 5835 [2024-10-14 20:36:52,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 925 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13424 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=5755, Invalid=32857, Unknown=0, NotChecked=0, Total=38612 [2024-10-14 20:36:52,281 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 3507 mSDsluCounter, 3343 mSDsCounter, 0 mSdLazyCounter, 8455 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3530 SdHoareTripleChecker+Valid, 3488 SdHoareTripleChecker+Invalid, 9059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 8455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:52,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3530 Valid, 3488 Invalid, 9059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 8455 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-14 20:36:52,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2024-10-14 20:36:52,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 4052. [2024-10-14 20:36:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4052 states, 3435 states have (on average 1.1644832605531295) internal successors, (4000), 3452 states have internal predecessors, (4000), 567 states have call successors, (567), 36 states have call predecessors, (567), 36 states have return successors, (567), 563 states have call predecessors, (567), 567 states have call successors, (567) [2024-10-14 20:36:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4052 states to 4052 states and 5134 transitions. [2024-10-14 20:36:52,961 INFO L78 Accepts]: Start accepts. Automaton has 4052 states and 5134 transitions. Word has length 329 [2024-10-14 20:36:52,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:52,961 INFO L471 AbstractCegarLoop]: Abstraction has 4052 states and 5134 transitions. [2024-10-14 20:36:52,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 11.377777777777778) internal successors, (512), 45 states have internal predecessors, (512), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-10-14 20:36:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 5134 transitions. [2024-10-14 20:36:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-10-14 20:36:52,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:52,972 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-14 20:36:52,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:53,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-10-14 20:36:53,173 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:53,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:53,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1602695005, now seen corresponding path program 1 times [2024-10-14 20:36:53,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:53,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274507053] [2024-10-14 20:36:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:53,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 20:36:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 20:36:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-14 20:36:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 20:36:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 20:36:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 20:36:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-14 20:36:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 20:36:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 20:36:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 20:36:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-14 20:36:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-14 20:36:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-14 20:36:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-14 20:36:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 606 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 20:36:53,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:53,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274507053] [2024-10-14 20:36:53,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274507053] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:53,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908993405] [2024-10-14 20:36:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:53,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:53,918 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:53,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:36:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:54,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:36:54,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:36:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 6 proven. 2668 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-14 20:36:54,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:36:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 6 proven. 600 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 20:36:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908993405] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:36:55,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:36:55,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 66 [2024-10-14 20:36:55,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139757391] [2024-10-14 20:36:55,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:36:55,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-14 20:36:55,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:36:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-14 20:36:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=3467, Unknown=0, NotChecked=0, Total=4422 [2024-10-14 20:36:55,259 INFO L87 Difference]: Start difference. First operand 4052 states and 5134 transitions. Second operand has 67 states, 66 states have (on average 8.969696969696969) internal successors, (592), 67 states have internal predecessors, (592), 30 states have call successors, (102), 11 states have call predecessors, (102), 11 states have return successors, (102), 30 states have call predecessors, (102), 30 states have call successors, (102) [2024-10-14 20:36:58,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:36:58,015 INFO L93 Difference]: Finished difference Result 6949 states and 8798 transitions. [2024-10-14 20:36:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-10-14 20:36:58,016 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 66 states have (on average 8.969696969696969) internal successors, (592), 67 states have internal predecessors, (592), 30 states have call successors, (102), 11 states have call predecessors, (102), 11 states have return successors, (102), 30 states have call predecessors, (102), 30 states have call successors, (102) Word has length 358 [2024-10-14 20:36:58,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:36:58,023 INFO L225 Difference]: With dead ends: 6949 [2024-10-14 20:36:58,024 INFO L226 Difference]: Without dead ends: 6941 [2024-10-14 20:36:58,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4997 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4753, Invalid=16127, Unknown=0, NotChecked=0, Total=20880 [2024-10-14 20:36:58,026 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 1321 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:36:58,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1748 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:36:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6941 states. [2024-10-14 20:36:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6941 to 5730. [2024-10-14 20:36:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 4840 states have (on average 1.1580578512396693) internal successors, (5605), 4863 states have internal predecessors, (5605), 809 states have call successors, (809), 67 states have call predecessors, (809), 67 states have return successors, (809), 799 states have call predecessors, (809), 809 states have call successors, (809) [2024-10-14 20:36:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 7223 transitions. [2024-10-14 20:36:58,789 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 7223 transitions. Word has length 358 [2024-10-14 20:36:58,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:36:58,789 INFO L471 AbstractCegarLoop]: Abstraction has 5730 states and 7223 transitions. [2024-10-14 20:36:58,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 8.969696969696969) internal successors, (592), 67 states have internal predecessors, (592), 30 states have call successors, (102), 11 states have call predecessors, (102), 11 states have return successors, (102), 30 states have call predecessors, (102), 30 states have call successors, (102) [2024-10-14 20:36:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 7223 transitions. [2024-10-14 20:36:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-10-14 20:36:58,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:36:58,803 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:36:58,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-14 20:36:59,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-10-14 20:36:59,006 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-14 20:36:59,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:36:59,007 INFO L85 PathProgramCache]: Analyzing trace with hash -503961345, now seen corresponding path program 1 times [2024-10-14 20:36:59,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:36:59,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176882966] [2024-10-14 20:36:59,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:59,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:36:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 20:36:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 20:36:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:36:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:36:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 20:36:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:36:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 20:36:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 20:36:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 20:36:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 20:36:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 20:36:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 20:36:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:36:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 20:36:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 20:36:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 20:36:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 20:36:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 20:36:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 20:36:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 20:36:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 20:36:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 20:36:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-14 20:36:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 20:36:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 20:36:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 20:36:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-14 20:36:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 20:36:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 20:36:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 20:36:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 20:36:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-14 20:36:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-14 20:36:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-14 20:36:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 20:36:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 12 proven. 682 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 20:36:59,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:36:59,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176882966] [2024-10-14 20:36:59,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176882966] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:36:59,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784451823] [2024-10-14 20:36:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:36:59,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:36:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:36:59,814 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:36:59,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-14 20:36:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:36:59,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:36:59,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:37:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 12 proven. 2874 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-10-14 20:37:00,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:37:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 12 proven. 682 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 20:37:00,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784451823] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:37:00,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:37:00,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 24] total 49 [2024-10-14 20:37:00,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695349145] [2024-10-14 20:37:00,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:37:00,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-14 20:37:00,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:37:00,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-14 20:37:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=1815, Unknown=0, NotChecked=0, Total=2352 [2024-10-14 20:37:00,997 INFO L87 Difference]: Start difference. First operand 5730 states and 7223 transitions. Second operand has 49 states, 49 states have (on average 8.89795918367347) internal successors, (436), 49 states have internal predecessors, (436), 20 states have call successors, (105), 11 states have call predecessors, (105), 11 states have return successors, (105), 20 states have call predecessors, (105), 20 states have call successors, (105) [2024-10-14 20:37:03,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:37:03,158 INFO L93 Difference]: Finished difference Result 8948 states and 11309 transitions. [2024-10-14 20:37:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-10-14 20:37:03,159 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 8.89795918367347) internal successors, (436), 49 states have internal predecessors, (436), 20 states have call successors, (105), 11 states have call predecessors, (105), 11 states have return successors, (105), 20 states have call predecessors, (105), 20 states have call successors, (105) Word has length 378 [2024-10-14 20:37:03,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:37:03,168 INFO L225 Difference]: With dead ends: 8948 [2024-10-14 20:37:03,168 INFO L226 Difference]: Without dead ends: 6666 [2024-10-14 20:37:03,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2892 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2491, Invalid=8221, Unknown=0, NotChecked=0, Total=10712 [2024-10-14 20:37:03,171 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 530 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:37:03,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1370 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:37:03,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states.