./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/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:57:18,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:57:18,987 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:57:18,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:57:18,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:57:19,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:57:19,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:57:19,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:57:19,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:57:19,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:57:19,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:57:19,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:57:19,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:57:19,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:57:19,027 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:57:19,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:57:19,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:57:19,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:57:19,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:57:19,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:57:19,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:57:19,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:57:19,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:57:19,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:57:19,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:57:19,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:57:19,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:57:19,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:57:19,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:57:19,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:57:19,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:57:19,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:57:19,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:57:19,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:57:19,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:57:19,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:57:19,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:57:19,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:57:19,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:57:19,040 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2024-10-11 20:57:19,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:57:19,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:57:19,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:57:19,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:57:19,323 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:57:19,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2024-10-11 20:57:20,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:57:20,898 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:57:20,899 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2024-10-11 20:57:20,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0ac4d0a20/460232a8b26544f886be7419c13cb0b9/FLAG08bd820ec [2024-10-11 20:57:20,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0ac4d0a20/460232a8b26544f886be7419c13cb0b9 [2024-10-11 20:57:20,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:57:20,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:57:20,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:57:20,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:57:20,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:57:20,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:57:20" (1/1) ... [2024-10-11 20:57:20,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69125cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:20, skipping insertion in model container [2024-10-11 20:57:20,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:57:20" (1/1) ... [2024-10-11 20:57:20,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:57:21,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:57:21,176 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:57:21,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:57:21,249 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:57:21,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21 WrapperNode [2024-10-11 20:57:21,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:57:21,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:57:21,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:57:21,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:57:21,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,312 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-10-11 20:57:21,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:57:21,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:57:21,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:57:21,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:57:21,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,343 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-11 20:57:21,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:57:21,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:57:21,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:57:21,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:57:21,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (1/1) ... [2024-10-11 20:57:21,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:57:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:21,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:57:21,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:57:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:57:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:57:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:57:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:57:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:57:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:57:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:57:21,513 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:57:21,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:57:21,914 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-10-11 20:57:21,914 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:57:21,947 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:57:21,947 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:57:21,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:57:21 BoogieIcfgContainer [2024-10-11 20:57:21,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:57:21,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:57:21,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:57:21,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:57:21,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:57:20" (1/3) ... [2024-10-11 20:57:21,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eed12c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:57:21, skipping insertion in model container [2024-10-11 20:57:21,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:57:21" (2/3) ... [2024-10-11 20:57:21,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eed12c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:57:21, skipping insertion in model container [2024-10-11 20:57:21,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:57:21" (3/3) ... [2024-10-11 20:57:21,959 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound10.c [2024-10-11 20:57:21,979 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:57:21,980 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-11 20:57:22,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:57:22,049 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;@4017d474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:57:22,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-11 20:57:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 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) [2024-10-11 20:57:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:57:22,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:22,066 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:57:22,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:22,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:22,074 INFO L85 PathProgramCache]: Analyzing trace with hash 491003590, now seen corresponding path program 1 times [2024-10-11 20:57:22,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:22,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247274974] [2024-10-11 20:57:22,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:57:22,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:22,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247274974] [2024-10-11 20:57:22,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247274974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:22,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:22,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407503805] [2024-10-11 20:57:22,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:22,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:57:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:22,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:57:22,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:57:22,260 INFO L87 Difference]: Start difference. First operand has 69 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 20:57:22,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:22,297 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-10-11 20:57:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:57:22,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-11 20:57:22,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:22,310 INFO L225 Difference]: With dead ends: 136 [2024-10-11 20:57:22,311 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 20:57:22,314 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 [2024-10-11 20:57:22,319 INFO L432 NwaCegarLoop]: 75 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, 75 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 [2024-10-11 20:57:22,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:57:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 20:57:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-11 20:57:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-11 20:57:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2024-10-11 20:57:22,368 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 6 [2024-10-11 20:57:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:22,369 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2024-10-11 20:57:22,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 20:57:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2024-10-11 20:57:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:57:22,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:22,372 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:22,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:57:22,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:22,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:22,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1989668520, now seen corresponding path program 1 times [2024-10-11 20:57:22,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:22,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141922175] [2024-10-11 20:57:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:22,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119738886] [2024-10-11 20:57:22,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:22,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:22,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:22,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:22,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:57:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:22,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:22,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:57:22,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:22,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:22,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141922175] [2024-10-11 20:57:22,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119738886] [2024-10-11 20:57:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119738886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:22,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:22,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427587976] [2024-10-11 20:57:22,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:22,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:22,554 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:57:22,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:22,640 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2024-10-11 20:57:22,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:22,640 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-10-11 20:57:22,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:22,643 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:57:22,643 INFO L226 Difference]: Without dead ends: 88 [2024-10-11 20:57:22,644 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 [2024-10-11 20:57:22,645 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 16 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:22,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 94 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:22,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-11 20:57:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2024-10-11 20:57:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:57:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 104 transitions. [2024-10-11 20:57:22,660 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 104 transitions. Word has length 15 [2024-10-11 20:57:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:22,662 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 104 transitions. [2024-10-11 20:57:22,662 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), 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) [2024-10-11 20:57:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2024-10-11 20:57:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 20:57:22,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:22,663 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:22,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:22,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:22,868 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:22,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1953746883, now seen corresponding path program 1 times [2024-10-11 20:57:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116734784] [2024-10-11 20:57:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116734784] [2024-10-11 20:57:23,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116734784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:23,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:23,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:23,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436620305] [2024-10-11 20:57:23,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:23,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:23,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:23,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:23,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:23,160 INFO L87 Difference]: Start difference. First operand 86 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:23,235 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2024-10-11 20:57:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:23,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-10-11 20:57:23,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:23,237 INFO L225 Difference]: With dead ends: 96 [2024-10-11 20:57:23,237 INFO L226 Difference]: Without dead ends: 94 [2024-10-11 20:57:23,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:23,238 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:23,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:23,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-11 20:57:23,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2024-10-11 20:57:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.607843137254902) internal successors, (82), 74 states have internal predecessors, (82), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 20:57:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2024-10-11 20:57:23,257 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 23 [2024-10-11 20:57:23,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:23,258 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2024-10-11 20:57:23,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-10-11 20:57:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:57:23,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:23,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:23,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 20:57:23,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:23,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:23,261 INFO L85 PathProgramCache]: Analyzing trace with hash -436612543, now seen corresponding path program 1 times [2024-10-11 20:57:23,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:23,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173848307] [2024-10-11 20:57:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:23,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975448265] [2024-10-11 20:57:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:23,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:23,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:23,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:23,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:57:23,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:23,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:23,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173848307] [2024-10-11 20:57:23,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:23,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975448265] [2024-10-11 20:57:23,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975448265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:23,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:23,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961819236] [2024-10-11 20:57:23,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:23,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:23,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:23,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:23,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:23,378 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:23,468 INFO L93 Difference]: Finished difference Result 121 states and 146 transitions. [2024-10-11 20:57:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:23,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-10-11 20:57:23,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:23,470 INFO L225 Difference]: With dead ends: 121 [2024-10-11 20:57:23,470 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 20:57:23,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:23,471 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:23,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:23,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 20:57:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2024-10-11 20:57:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 89 states have internal predecessors, (105), 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) [2024-10-11 20:57:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2024-10-11 20:57:23,487 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 129 transitions. Word has length 24 [2024-10-11 20:57:23,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:23,487 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 129 transitions. [2024-10-11 20:57:23,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2024-10-11 20:57:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:57:23,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:23,488 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:23,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:23,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:23,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:23,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1322143843, now seen corresponding path program 1 times [2024-10-11 20:57:23,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:23,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768925917] [2024-10-11 20:57:23,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:23,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:23,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:23,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768925917] [2024-10-11 20:57:23,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768925917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:23,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:23,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:57:23,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269505641] [2024-10-11 20:57:23,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:23,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:57:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:23,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:57:23,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:23,893 INFO L87 Difference]: Start difference. First operand 103 states and 129 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:57:24,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:24,366 INFO L93 Difference]: Finished difference Result 119 states and 143 transitions. [2024-10-11 20:57:24,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:24,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-10-11 20:57:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:24,368 INFO L225 Difference]: With dead ends: 119 [2024-10-11 20:57:24,371 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:57:24,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:57:24,372 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 299 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:24,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 85 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:57:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:57:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2024-10-11 20:57:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 93 states have internal predecessors, (109), 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) [2024-10-11 20:57:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2024-10-11 20:57:24,402 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 26 [2024-10-11 20:57:24,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:24,402 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2024-10-11 20:57:24,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:57:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2024-10-11 20:57:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:57:24,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:24,403 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:24,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:57:24,403 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:24,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1963213740, now seen corresponding path program 1 times [2024-10-11 20:57:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769993049] [2024-10-11 20:57:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:24,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:57:24,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:24,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769993049] [2024-10-11 20:57:24,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769993049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:24,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:24,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:24,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429641766] [2024-10-11 20:57:24,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:24,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:24,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:24,507 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:24,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:24,853 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2024-10-11 20:57:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:24,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-11 20:57:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:24,855 INFO L225 Difference]: With dead ends: 119 [2024-10-11 20:57:24,855 INFO L226 Difference]: Without dead ends: 118 [2024-10-11 20:57:24,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:24,856 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 51 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:24,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 154 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-11 20:57:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2024-10-11 20:57:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.5) internal successors, (114), 99 states have internal predecessors, (114), 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) [2024-10-11 20:57:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2024-10-11 20:57:24,882 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 27 [2024-10-11 20:57:24,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:24,882 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2024-10-11 20:57:24,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-10-11 20:57:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:57:24,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:24,884 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:24,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:57:24,884 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:24,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:24,886 INFO L85 PathProgramCache]: Analyzing trace with hash -931997051, now seen corresponding path program 1 times [2024-10-11 20:57:24,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:24,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97774696] [2024-10-11 20:57:24,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:24,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010095832] [2024-10-11 20:57:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:24,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:24,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:24,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:24,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:57:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:24,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:24,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:25,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:25,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97774696] [2024-10-11 20:57:25,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010095832] [2024-10-11 20:57:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010095832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:57:25,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070984934] [2024-10-11 20:57:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:25,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:25,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:25,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:25,101 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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) [2024-10-11 20:57:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:25,202 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2024-10-11 20:57:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:25,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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 38 [2024-10-11 20:57:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:25,204 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:57:25,206 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 20:57:25,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:25,207 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 47 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:25,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 89 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 20:57:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 20:57:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 98 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:57:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2024-10-11 20:57:25,232 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 38 [2024-10-11 20:57:25,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:25,234 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2024-10-11 20:57:25,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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) [2024-10-11 20:57:25,235 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2024-10-11 20:57:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 20:57:25,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:25,236 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:25,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:25,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:25,437 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:25,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1172862545, now seen corresponding path program 1 times [2024-10-11 20:57:25,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:25,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968650650] [2024-10-11 20:57:25,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:25,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063704244] [2024-10-11 20:57:25,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:25,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:25,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:57:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:25,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:25,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:25,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968650650] [2024-10-11 20:57:25,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:25,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063704244] [2024-10-11 20:57:25,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063704244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:25,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:25,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-11 20:57:25,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842682702] [2024-10-11 20:57:25,983 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:25,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:25,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:25,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:25,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:25,986 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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) [2024-10-11 20:57:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:26,108 INFO L93 Difference]: Finished difference Result 190 states and 245 transitions. [2024-10-11 20:57:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:26,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-10-11 20:57:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:26,111 INFO L225 Difference]: With dead ends: 190 [2024-10-11 20:57:26,111 INFO L226 Difference]: Without dead ends: 186 [2024-10-11 20:57:26,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:26,113 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 43 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:26,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 121 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:26,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-10-11 20:57:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 174. [2024-10-11 20:57:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 130 states have (on average 1.4230769230769231) internal successors, (185), 149 states have internal predecessors, (185), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:57:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 231 transitions. [2024-10-11 20:57:26,150 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 231 transitions. Word has length 39 [2024-10-11 20:57:26,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:26,150 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 231 transitions. [2024-10-11 20:57:26,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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) [2024-10-11 20:57:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2024-10-11 20:57:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:57:26,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:26,152 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] [2024-10-11 20:57:26,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:26,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:57:26,361 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:26,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1723238283, now seen corresponding path program 1 times [2024-10-11 20:57:26,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548521498] [2024-10-11 20:57:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 20:57:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:26,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:26,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548521498] [2024-10-11 20:57:26,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548521498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:26,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:26,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:57:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175785465] [2024-10-11 20:57:26,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:26,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:57:26,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:26,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:57:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:26,557 INFO L87 Difference]: Start difference. First operand 174 states and 231 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:57:26,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:26,931 INFO L93 Difference]: Finished difference Result 186 states and 243 transitions. [2024-10-11 20:57:26,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:26,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-10-11 20:57:26,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:26,933 INFO L225 Difference]: With dead ends: 186 [2024-10-11 20:57:26,934 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 20:57:26,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:57:26,935 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 195 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:26,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 113 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:26,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 20:57:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 175. [2024-10-11 20:57:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 20:57:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-10-11 20:57:26,953 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 43 [2024-10-11 20:57:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:26,955 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-10-11 20:57:26,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:57:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-10-11 20:57:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:57:26,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:26,958 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] [2024-10-11 20:57:26,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:57:26,958 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:26,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1880779090, now seen corresponding path program 1 times [2024-10-11 20:57:26,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:26,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458380528] [2024-10-11 20:57:26,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 20:57:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:57:27,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:27,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458380528] [2024-10-11 20:57:27,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458380528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:27,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:27,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:27,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408833552] [2024-10-11 20:57:27,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:27,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:27,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:27,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:27,075 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-11 20:57:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:27,262 INFO L93 Difference]: Finished difference Result 180 states and 236 transitions. [2024-10-11 20:57:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 44 [2024-10-11 20:57:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:27,265 INFO L225 Difference]: With dead ends: 180 [2024-10-11 20:57:27,265 INFO L226 Difference]: Without dead ends: 165 [2024-10-11 20:57:27,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:27,266 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 4 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:27,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 159 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-11 20:57:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-10-11 20:57:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.4390243902439024) internal successors, (177), 142 states have internal predecessors, (177), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 20:57:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2024-10-11 20:57:27,285 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 44 [2024-10-11 20:57:27,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:27,286 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2024-10-11 20:57:27,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-11 20:57:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2024-10-11 20:57:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 20:57:27,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:27,289 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] [2024-10-11 20:57:27,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:57:27,290 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:27,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:27,290 INFO L85 PathProgramCache]: Analyzing trace with hash 878702362, now seen corresponding path program 1 times [2024-10-11 20:57:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:27,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233513385] [2024-10-11 20:57:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:27,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233513385] [2024-10-11 20:57:27,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233513385] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073588212] [2024-10-11 20:57:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:27,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:27,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:57:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:27,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:27,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:27,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073588212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:27,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:27,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 20:57:27,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354748426] [2024-10-11 20:57:27,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:27,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:27,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:27,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:27,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:27,483 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:57:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:27,568 INFO L93 Difference]: Finished difference Result 249 states and 340 transitions. [2024-10-11 20:57:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:27,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-10-11 20:57:27,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:27,571 INFO L225 Difference]: With dead ends: 249 [2024-10-11 20:57:27,572 INFO L226 Difference]: Without dead ends: 247 [2024-10-11 20:57:27,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:27,573 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 58 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:27,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 112 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-11 20:57:27,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 226. [2024-10-11 20:57:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.4463276836158192) internal successors, (256), 195 states have internal predecessors, (256), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 20:57:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-10-11 20:57:27,592 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 46 [2024-10-11 20:57:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:27,593 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-10-11 20:57:27,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:57:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-10-11 20:57:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:57:27,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:27,595 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] [2024-10-11 20:57:27,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:27,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:57:27,800 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:27,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:27,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1469969510, now seen corresponding path program 1 times [2024-10-11 20:57:27,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:27,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618746026] [2024-10-11 20:57:27,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:27,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618746026] [2024-10-11 20:57:27,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618746026] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150195784] [2024-10-11 20:57:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:27,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:27,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:27,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:57:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:27,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:27,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:27,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:57:28,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150195784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:28,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:28,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 20:57:28,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649744501] [2024-10-11 20:57:28,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:28,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:57:28,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:28,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:57:28,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:28,038 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:57:28,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:28,190 INFO L93 Difference]: Finished difference Result 374 states and 513 transitions. [2024-10-11 20:57:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:57:28,190 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), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 47 [2024-10-11 20:57:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:28,193 INFO L225 Difference]: With dead ends: 374 [2024-10-11 20:57:28,193 INFO L226 Difference]: Without dead ends: 372 [2024-10-11 20:57:28,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:28,194 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 133 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:28,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 191 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:28,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-11 20:57:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 326. [2024-10-11 20:57:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 261 states have (on average 1.4444444444444444) internal successors, (377), 279 states have internal predecessors, (377), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 467 transitions. [2024-10-11 20:57:28,221 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 467 transitions. Word has length 47 [2024-10-11 20:57:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:28,221 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 467 transitions. [2024-10-11 20:57:28,222 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), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:57:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 467 transitions. [2024-10-11 20:57:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:57:28,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:28,222 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] [2024-10-11 20:57:28,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:57:28,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:57:28,427 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:28,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:28,427 INFO L85 PathProgramCache]: Analyzing trace with hash 334152881, now seen corresponding path program 1 times [2024-10-11 20:57:28,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837523382] [2024-10-11 20:57:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:28,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:28,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152226759] [2024-10-11 20:57:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:28,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:28,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:28,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:57:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:28,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:28,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-11 20:57:28,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:28,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:28,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837523382] [2024-10-11 20:57:28,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:28,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152226759] [2024-10-11 20:57:28,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152226759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:28,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:28,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:57:28,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883297569] [2024-10-11 20:57:28,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:28,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:28,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:28,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:28,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:57:28,577 INFO L87 Difference]: Start difference. First operand 326 states and 467 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:28,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:28,686 INFO L93 Difference]: Finished difference Result 345 states and 492 transitions. [2024-10-11 20:57:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:28,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-10-11 20:57:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:28,690 INFO L225 Difference]: With dead ends: 345 [2024-10-11 20:57:28,690 INFO L226 Difference]: Without dead ends: 339 [2024-10-11 20:57:28,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:28,691 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 104 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:28,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 77 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-11 20:57:28,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 323. [2024-10-11 20:57:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4147286821705427) internal successors, (365), 276 states have internal predecessors, (365), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 455 transitions. [2024-10-11 20:57:28,718 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 455 transitions. Word has length 50 [2024-10-11 20:57:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:28,718 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 455 transitions. [2024-10-11 20:57:28,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 20:57:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 455 transitions. [2024-10-11 20:57:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:57:28,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:28,720 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:57:28,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:57:28,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:28,925 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:28,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1641751762, now seen corresponding path program 2 times [2024-10-11 20:57:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:28,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946825935] [2024-10-11 20:57:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:28,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455330406] [2024-10-11 20:57:28,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:28,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:28,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:57:28,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:28,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:28,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:57:28,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:29,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:29,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:29,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946825935] [2024-10-11 20:57:29,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:29,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455330406] [2024-10-11 20:57:29,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455330406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:29,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:57:29,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036899752] [2024-10-11 20:57:29,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:29,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:29,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:29,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:29,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:29,335 INFO L87 Difference]: Start difference. First operand 323 states and 455 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:57:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:29,504 INFO L93 Difference]: Finished difference Result 418 states and 586 transitions. [2024-10-11 20:57:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:29,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2024-10-11 20:57:29,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:29,507 INFO L225 Difference]: With dead ends: 418 [2024-10-11 20:57:29,507 INFO L226 Difference]: Without dead ends: 414 [2024-10-11 20:57:29,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:29,508 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 86 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:29,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 112 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-11 20:57:29,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 323. [2024-10-11 20:57:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4069767441860466) internal successors, (363), 276 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 453 transitions. [2024-10-11 20:57:29,530 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 453 transitions. Word has length 62 [2024-10-11 20:57:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:29,531 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 453 transitions. [2024-10-11 20:57:29,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 20:57:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 453 transitions. [2024-10-11 20:57:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 20:57:29,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:29,532 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:29,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:57:29,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:57:29,737 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:29,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash 968937877, now seen corresponding path program 1 times [2024-10-11 20:57:29,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:29,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919742828] [2024-10-11 20:57:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:29,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919742828] [2024-10-11 20:57:29,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919742828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:29,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:29,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:57:29,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774213410] [2024-10-11 20:57:29,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:29,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:57:29,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:29,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:57:29,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:29,798 INFO L87 Difference]: Start difference. First operand 323 states and 453 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-11 20:57:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:29,887 INFO L93 Difference]: Finished difference Result 323 states and 453 transitions. [2024-10-11 20:57:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:57:29,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 69 [2024-10-11 20:57:29,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:29,890 INFO L225 Difference]: With dead ends: 323 [2024-10-11 20:57:29,890 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 20:57:29,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:57:29,890 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:29,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 96 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:29,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 20:57:29,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2024-10-11 20:57:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.3837209302325582) internal successors, (357), 275 states have internal predecessors, (357), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 447 transitions. [2024-10-11 20:57:29,913 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 447 transitions. Word has length 69 [2024-10-11 20:57:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:29,914 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 447 transitions. [2024-10-11 20:57:29,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-11 20:57:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 447 transitions. [2024-10-11 20:57:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 20:57:29,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:29,915 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:29,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:57:29,915 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:29,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:29,916 INFO L85 PathProgramCache]: Analyzing trace with hash -27696772, now seen corresponding path program 1 times [2024-10-11 20:57:29,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:29,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101804285] [2024-10-11 20:57:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:29,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:30,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:30,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101804285] [2024-10-11 20:57:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101804285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:30,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152692634] [2024-10-11 20:57:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:30,093 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:30,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:57:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:30,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:30,316 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:30,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152692634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:30,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:57:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597833169] [2024-10-11 20:57:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:30,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:30,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:30,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:30,318 INFO L87 Difference]: Start difference. First operand 322 states and 447 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:57:30,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:30,438 INFO L93 Difference]: Finished difference Result 340 states and 462 transitions. [2024-10-11 20:57:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2024-10-11 20:57:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:30,441 INFO L225 Difference]: With dead ends: 340 [2024-10-11 20:57:30,441 INFO L226 Difference]: Without dead ends: 339 [2024-10-11 20:57:30,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:57:30,442 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 124 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:30,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 123 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-11 20:57:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 322. [2024-10-11 20:57:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.372093023255814) internal successors, (354), 275 states have internal predecessors, (354), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 444 transitions. [2024-10-11 20:57:30,483 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 444 transitions. Word has length 70 [2024-10-11 20:57:30,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:30,484 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 444 transitions. [2024-10-11 20:57:30,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 20:57:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 444 transitions. [2024-10-11 20:57:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:57:30,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:30,486 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:30,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:57:30,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,687 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:30,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash -858599817, now seen corresponding path program 1 times [2024-10-11 20:57:30,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:30,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235380096] [2024-10-11 20:57:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:30,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:30,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235380096] [2024-10-11 20:57:30,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235380096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:30,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788250630] [2024-10-11 20:57:30,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:30,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:30,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:30,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:57:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:30,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:30,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:31,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:31,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788250630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:31,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:31,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:57:31,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177449688] [2024-10-11 20:57:31,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:31,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:31,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:31,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:31,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:31,100 INFO L87 Difference]: Start difference. First operand 322 states and 444 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2024-10-11 20:57:31,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:31,310 INFO L93 Difference]: Finished difference Result 341 states and 465 transitions. [2024-10-11 20:57:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:31,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 71 [2024-10-11 20:57:31,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:31,313 INFO L225 Difference]: With dead ends: 341 [2024-10-11 20:57:31,313 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 20:57:31,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:31,314 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 58 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:31,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 117 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 20:57:31,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 331. [2024-10-11 20:57:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 267 states have (on average 1.3595505617977528) internal successors, (363), 284 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 453 transitions. [2024-10-11 20:57:31,370 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 453 transitions. Word has length 71 [2024-10-11 20:57:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:31,370 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 453 transitions. [2024-10-11 20:57:31,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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) [2024-10-11 20:57:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 453 transitions. [2024-10-11 20:57:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:57:31,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:31,371 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:31,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:31,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:57:31,572 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:31,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:31,573 INFO L85 PathProgramCache]: Analyzing trace with hash -846790434, now seen corresponding path program 1 times [2024-10-11 20:57:31,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:31,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61152799] [2024-10-11 20:57:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:31,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:31,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61152799] [2024-10-11 20:57:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61152799] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802816141] [2024-10-11 20:57:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:31,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:31,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:57:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:31,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:57:31,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:31,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:57:31,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802816141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:31,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:31,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 20:57:31,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735752791] [2024-10-11 20:57:31,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:31,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:57:31,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:31,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:57:31,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:31,874 INFO L87 Difference]: Start difference. First operand 331 states and 453 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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) [2024-10-11 20:57:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:32,031 INFO L93 Difference]: Finished difference Result 340 states and 459 transitions. [2024-10-11 20:57:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:57:32,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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 72 [2024-10-11 20:57:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:32,033 INFO L225 Difference]: With dead ends: 340 [2024-10-11 20:57:32,033 INFO L226 Difference]: Without dead ends: 338 [2024-10-11 20:57:32,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:32,034 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 27 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:32,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 97 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-11 20:57:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-10-11 20:57:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 270 states have (on average 1.3296296296296297) internal successors, (359), 287 states have internal predecessors, (359), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 20:57:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2024-10-11 20:57:32,083 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 72 [2024-10-11 20:57:32,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:32,084 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2024-10-11 20:57:32,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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) [2024-10-11 20:57:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2024-10-11 20:57:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:57:32,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:32,085 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:32,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:32,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:57:32,286 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:32,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2016785600, now seen corresponding path program 1 times [2024-10-11 20:57:32,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:32,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176986470] [2024-10-11 20:57:32,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:32,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224682702] [2024-10-11 20:57:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:32,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:32,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:32,311 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:32,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:57:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:32,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:32,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:32,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:33,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176986470] [2024-10-11 20:57:33,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224682702] [2024-10-11 20:57:33,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224682702] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:33,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:33,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:57:33,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277891216] [2024-10-11 20:57:33,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:33,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:33,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:33,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:33,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:33,257 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-10-11 20:57:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:33,421 INFO L93 Difference]: Finished difference Result 418 states and 575 transitions. [2024-10-11 20:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:33,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 74 [2024-10-11 20:57:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:33,424 INFO L225 Difference]: With dead ends: 418 [2024-10-11 20:57:33,424 INFO L226 Difference]: Without dead ends: 417 [2024-10-11 20:57:33,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:57:33,425 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 79 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:33,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 87 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:33,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-11 20:57:33,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 394. [2024-10-11 20:57:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 324 states have (on average 1.345679012345679) internal successors, (436), 341 states have internal predecessors, (436), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 538 transitions. [2024-10-11 20:57:33,460 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 538 transitions. Word has length 74 [2024-10-11 20:57:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:33,460 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 538 transitions. [2024-10-11 20:57:33,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-10-11 20:57:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 538 transitions. [2024-10-11 20:57:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:57:33,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:33,461 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:33,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:57:33,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:33,662 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:33,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1904155923, now seen corresponding path program 1 times [2024-10-11 20:57:33,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:33,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124566159] [2024-10-11 20:57:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:33,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:33,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451309382] [2024-10-11 20:57:33,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:33,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:33,688 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:33,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:57:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:33,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:57:33,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:33,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:35,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124566159] [2024-10-11 20:57:35,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:35,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451309382] [2024-10-11 20:57:35,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451309382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:35,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 20:57:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414518764] [2024-10-11 20:57:35,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:35,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:35,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:35,148 INFO L87 Difference]: Start difference. First operand 394 states and 538 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-10-11 20:57:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:35,293 INFO L93 Difference]: Finished difference Result 398 states and 538 transitions. [2024-10-11 20:57:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:57:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 75 [2024-10-11 20:57:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:35,296 INFO L225 Difference]: With dead ends: 398 [2024-10-11 20:57:35,296 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:57:35,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:35,297 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:35,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 86 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:35,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:57:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2024-10-11 20:57:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 324 states have (on average 1.2746913580246915) internal successors, (413), 339 states have internal predecessors, (413), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 515 transitions. [2024-10-11 20:57:35,328 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 515 transitions. Word has length 75 [2024-10-11 20:57:35,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:35,328 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 515 transitions. [2024-10-11 20:57:35,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-10-11 20:57:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 515 transitions. [2024-10-11 20:57:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:57:35,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:35,329 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:35,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:35,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:35,531 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:35,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:35,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1100708446, now seen corresponding path program 1 times [2024-10-11 20:57:35,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:35,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401272967] [2024-10-11 20:57:35,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:35,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-11 20:57:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:35,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401272967] [2024-10-11 20:57:35,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401272967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:35,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:35,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:35,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331965621] [2024-10-11 20:57:35,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:35,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:35,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:35,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:35,654 INFO L87 Difference]: Start difference. First operand 392 states and 515 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-11 20:57:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:36,007 INFO L93 Difference]: Finished difference Result 394 states and 515 transitions. [2024-10-11 20:57:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:57:36,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 76 [2024-10-11 20:57:36,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:36,009 INFO L225 Difference]: With dead ends: 394 [2024-10-11 20:57:36,009 INFO L226 Difference]: Without dead ends: 393 [2024-10-11 20:57:36,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:57:36,010 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 48 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:36,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 147 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:36,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-11 20:57:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-10-11 20:57:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 324 states have (on average 1.2469135802469136) internal successors, (404), 338 states have internal predecessors, (404), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 506 transitions. [2024-10-11 20:57:36,041 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 506 transitions. Word has length 76 [2024-10-11 20:57:36,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:36,041 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 506 transitions. [2024-10-11 20:57:36,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-11 20:57:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 506 transitions. [2024-10-11 20:57:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:57:36,042 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:36,042 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-10-11 20:57:36,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 20:57:36,043 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:36,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:36,043 INFO L85 PathProgramCache]: Analyzing trace with hash 237776629, now seen corresponding path program 1 times [2024-10-11 20:57:36,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:36,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207724198] [2024-10-11 20:57:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:36,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:36,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:36,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207724198] [2024-10-11 20:57:36,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207724198] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:36,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358518066] [2024-10-11 20:57:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:36,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:36,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:36,207 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:36,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:57:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:36,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:57:36,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-11 20:57:36,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:37,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358518066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:37,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:57:37,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-11 20:57:37,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413328516] [2024-10-11 20:57:37,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:37,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:57:37,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:37,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:57:37,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:57:37,432 INFO L87 Difference]: Start difference. First operand 391 states and 506 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:57:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:38,767 INFO L93 Difference]: Finished difference Result 685 states and 910 transitions. [2024-10-11 20:57:38,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 20:57:38,769 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 77 [2024-10-11 20:57:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:38,774 INFO L225 Difference]: With dead ends: 685 [2024-10-11 20:57:38,774 INFO L226 Difference]: Without dead ends: 680 [2024-10-11 20:57:38,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 20:57:38,775 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 347 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:38,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 323 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 20:57:38,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-10-11 20:57:38,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 527. [2024-10-11 20:57:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 444 states have (on average 1.2387387387387387) internal successors, (550), 458 states have internal predecessors, (550), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-11 20:57:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 684 transitions. [2024-10-11 20:57:38,835 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 684 transitions. Word has length 77 [2024-10-11 20:57:38,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:38,835 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 684 transitions. [2024-10-11 20:57:38,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-11 20:57:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 684 transitions. [2024-10-11 20:57:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 20:57:38,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:38,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:38,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:57:39,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 20:57:39,039 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:39,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1730098740, now seen corresponding path program 1 times [2024-10-11 20:57:39,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:39,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136704982] [2024-10-11 20:57:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:39,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168845341] [2024-10-11 20:57:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:39,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:39,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:39,061 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:39,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:57:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:39,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:57:39,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 20:57:39,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:39,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:39,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136704982] [2024-10-11 20:57:39,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:39,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168845341] [2024-10-11 20:57:39,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168845341] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:39,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:39,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:57:39,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049714443] [2024-10-11 20:57:39,865 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:39,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:57:39,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:57:39,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:57:39,867 INFO L87 Difference]: Start difference. First operand 527 states and 684 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:57:40,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:40,299 INFO L93 Difference]: Finished difference Result 547 states and 696 transitions. [2024-10-11 20:57:40,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:40,299 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 91 [2024-10-11 20:57:40,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:40,302 INFO L225 Difference]: With dead ends: 547 [2024-10-11 20:57:40,302 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 20:57:40,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:57:40,303 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:40,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 198 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:57:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 20:57:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 423. [2024-10-11 20:57:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 352 states have (on average 1.2272727272727273) internal successors, (432), 366 states have internal predecessors, (432), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 20:57:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 542 transitions. [2024-10-11 20:57:40,335 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 542 transitions. Word has length 91 [2024-10-11 20:57:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:40,336 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 542 transitions. [2024-10-11 20:57:40,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 20:57:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 542 transitions. [2024-10-11 20:57:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 20:57:40,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:40,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:40,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:40,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:40,539 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:40,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:40,539 INFO L85 PathProgramCache]: Analyzing trace with hash 472549654, now seen corresponding path program 1 times [2024-10-11 20:57:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:40,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334298256] [2024-10-11 20:57:40,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 20:57:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:57:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 20:57:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-11 20:57:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334298256] [2024-10-11 20:57:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334298256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:57:40,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:57:40,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:57:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265935454] [2024-10-11 20:57:40,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:57:40,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:57:40,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:57:40,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:57:40,661 INFO L87 Difference]: Start difference. First operand 423 states and 542 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:57:41,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:41,135 INFO L93 Difference]: Finished difference Result 425 states and 542 transitions. [2024-10-11 20:57:41,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:41,136 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 93 [2024-10-11 20:57:41,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:41,138 INFO L225 Difference]: With dead ends: 425 [2024-10-11 20:57:41,138 INFO L226 Difference]: Without dead ends: 392 [2024-10-11 20:57:41,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:57:41,139 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:41,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 182 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:57:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-11 20:57:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2024-10-11 20:57:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 324 states have (on average 1.2407407407407407) internal successors, (402), 337 states have internal predecessors, (402), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-11 20:57:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 504 transitions. [2024-10-11 20:57:41,178 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 504 transitions. Word has length 93 [2024-10-11 20:57:41,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:41,178 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 504 transitions. [2024-10-11 20:57:41,179 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:57:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 504 transitions. [2024-10-11 20:57:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:57:41,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:41,180 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-10-11 20:57:41,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 20:57:41,180 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:41,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:41,180 INFO L85 PathProgramCache]: Analyzing trace with hash -792946040, now seen corresponding path program 1 times [2024-10-11 20:57:41,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:41,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553951610] [2024-10-11 20:57:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:41,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:57:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:57:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:41,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553951610] [2024-10-11 20:57:41,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553951610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:41,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203677810] [2024-10-11 20:57:41,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:41,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:41,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:41,275 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:41,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:57:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:41,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:41,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:41,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-11 20:57:41,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203677810] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:41,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:41,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:57:41,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552330613] [2024-10-11 20:57:41,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:41,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:57:41,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:41,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:57:41,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:57:41,499 INFO L87 Difference]: Start difference. First operand 390 states and 504 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 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) [2024-10-11 20:57:41,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:41,786 INFO L93 Difference]: Finished difference Result 796 states and 1027 transitions. [2024-10-11 20:57:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:57:41,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 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 95 [2024-10-11 20:57:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:41,793 INFO L225 Difference]: With dead ends: 796 [2024-10-11 20:57:41,793 INFO L226 Difference]: Without dead ends: 794 [2024-10-11 20:57:41,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:57:41,794 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 214 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:41,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 341 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:57:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-10-11 20:57:41,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 540. [2024-10-11 20:57:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2444444444444445) internal successors, (560), 463 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 710 transitions. [2024-10-11 20:57:41,847 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 710 transitions. Word has length 95 [2024-10-11 20:57:41,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:41,849 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 710 transitions. [2024-10-11 20:57:41,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 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) [2024-10-11 20:57:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 710 transitions. [2024-10-11 20:57:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:57:41,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:41,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:41,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:57:42,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:57:42,051 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:42,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1070794258, now seen corresponding path program 2 times [2024-10-11 20:57:42,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:42,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980183299] [2024-10-11 20:57:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:42,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152334959] [2024-10-11 20:57:42,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:42,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:42,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:42,074 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:42,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:57:42,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:42,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:42,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:57:42,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 20:57:42,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:47,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:47,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980183299] [2024-10-11 20:57:47,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:57:47,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152334959] [2024-10-11 20:57:47,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152334959] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:47,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:57:47,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:57:47,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556394027] [2024-10-11 20:57:47,419 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:47,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:57:47,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:57:47,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-10-11 20:57:47,421 INFO L87 Difference]: Start difference. First operand 540 states and 710 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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) [2024-10-11 20:57:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:47,919 INFO L93 Difference]: Finished difference Result 564 states and 740 transitions. [2024-10-11 20:57:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 100 [2024-10-11 20:57:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:47,924 INFO L225 Difference]: With dead ends: 564 [2024-10-11 20:57:47,924 INFO L226 Difference]: Without dead ends: 563 [2024-10-11 20:57:47,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=62, Invalid=243, Unknown=1, NotChecked=0, Total=306 [2024-10-11 20:57:47,925 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 29 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:47,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 289 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:57:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-10-11 20:57:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2024-10-11 20:57:47,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2422222222222221) internal successors, (559), 463 states have internal predecessors, (559), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 709 transitions. [2024-10-11 20:57:47,969 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 709 transitions. Word has length 100 [2024-10-11 20:57:47,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:47,969 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 709 transitions. [2024-10-11 20:57:47,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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) [2024-10-11 20:57:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 709 transitions. [2024-10-11 20:57:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:57:47,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:47,971 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:47,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:48,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:48,176 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:48,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash 844945041, now seen corresponding path program 2 times [2024-10-11 20:57:48,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:48,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551485288] [2024-10-11 20:57:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:48,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:48,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:48,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551485288] [2024-10-11 20:57:48,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551485288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:48,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836084418] [2024-10-11 20:57:48,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:48,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:48,326 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:48,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:57:48,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:57:48,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:48,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:57:48,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:48,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:48,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836084418] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:48,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:48,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-10-11 20:57:48,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945012935] [2024-10-11 20:57:48,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:48,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:57:48,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:48,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:57:48,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:48,609 INFO L87 Difference]: Start difference. First operand 540 states and 709 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:57:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:48,736 INFO L93 Difference]: Finished difference Result 549 states and 715 transitions. [2024-10-11 20:57:48,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:57:48,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2024-10-11 20:57:48,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:48,739 INFO L225 Difference]: With dead ends: 549 [2024-10-11 20:57:48,739 INFO L226 Difference]: Without dead ends: 542 [2024-10-11 20:57:48,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:57:48,740 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 30 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:48,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 216 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:57:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-11 20:57:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2024-10-11 20:57:48,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2333333333333334) internal successors, (555), 463 states have internal predecessors, (555), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:57:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 705 transitions. [2024-10-11 20:57:48,777 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 705 transitions. Word has length 114 [2024-10-11 20:57:48,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:48,778 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 705 transitions. [2024-10-11 20:57:48,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:57:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 705 transitions. [2024-10-11 20:57:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:57:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:48,779 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-10-11 20:57:48,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:57:48,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:57:48,980 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:48,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:48,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1803512035, now seen corresponding path program 2 times [2024-10-11 20:57:48,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:48,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829929324] [2024-10-11 20:57:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:57:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:57:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:57:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 20:57:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 20:57:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:57:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:49,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829929324] [2024-10-11 20:57:49,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829929324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:49,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729549420] [2024-10-11 20:57:49,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:57:49,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:49,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:49,126 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:49,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:57:49,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:57:49,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:49,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:57:49,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-11 20:57:49,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-10-11 20:57:49,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729549420] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:49,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:49,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-10-11 20:57:49,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359022620] [2024-10-11 20:57:49,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:49,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:57:49,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:57:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:57:49,462 INFO L87 Difference]: Start difference. First operand 540 states and 705 transitions. Second operand has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-10-11 20:57:49,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:49,941 INFO L93 Difference]: Finished difference Result 941 states and 1280 transitions. [2024-10-11 20:57:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:57:49,942 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 116 [2024-10-11 20:57:49,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:49,946 INFO L225 Difference]: With dead ends: 941 [2024-10-11 20:57:49,946 INFO L226 Difference]: Without dead ends: 939 [2024-10-11 20:57:49,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2024-10-11 20:57:49,947 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 882 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:49,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 317 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:49,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-10-11 20:57:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 434. [2024-10-11 20:57:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 358 states have (on average 1.1983240223463687) internal successors, (429), 369 states have internal predecessors, (429), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 20:57:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 555 transitions. [2024-10-11 20:57:49,993 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 555 transitions. Word has length 116 [2024-10-11 20:57:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:49,993 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 555 transitions. [2024-10-11 20:57:49,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 states have internal predecessors, (72), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-10-11 20:57:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 555 transitions. [2024-10-11 20:57:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 20:57:49,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:49,995 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:50,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:57:50,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:50,200 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:50,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash -969840553, now seen corresponding path program 1 times [2024-10-11 20:57:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:50,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185052054] [2024-10-11 20:57:50,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:57:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:57:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185052054] [2024-10-11 20:57:50,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185052054] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693895567] [2024-10-11 20:57:50,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:50,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:50,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:50,437 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:50,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:57:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:50,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:57:50,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:50,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:51,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693895567] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:51,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:51,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:57:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002197199] [2024-10-11 20:57:51,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:51,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:57:51,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:51,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:57:51,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:57:51,189 INFO L87 Difference]: Start difference. First operand 434 states and 555 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:51,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:51,831 INFO L93 Difference]: Finished difference Result 577 states and 740 transitions. [2024-10-11 20:57:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 20:57:51,832 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 116 [2024-10-11 20:57:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:51,834 INFO L225 Difference]: With dead ends: 577 [2024-10-11 20:57:51,834 INFO L226 Difference]: Without dead ends: 486 [2024-10-11 20:57:51,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 20:57:51,836 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 433 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:51,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 580 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-11 20:57:51,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 423. [2024-10-11 20:57:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 345 states have (on average 1.2260869565217392) internal successors, (423), 356 states have internal predecessors, (423), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:57:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 553 transitions. [2024-10-11 20:57:51,878 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 553 transitions. Word has length 116 [2024-10-11 20:57:51,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:51,878 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 553 transitions. [2024-10-11 20:57:51,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 553 transitions. [2024-10-11 20:57:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 20:57:51,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:51,882 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:51,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-11 20:57:52,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:57:52,083 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:52,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:52,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1896291402, now seen corresponding path program 1 times [2024-10-11 20:57:52,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:52,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206014291] [2024-10-11 20:57:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-10-11 20:57:52,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:52,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206014291] [2024-10-11 20:57:52,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206014291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:52,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709702452] [2024-10-11 20:57:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:52,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:52,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:52,333 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:52,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:57:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:52,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:57:52,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:52,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:55,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709702452] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:55,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:55,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-10-11 20:57:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102776115] [2024-10-11 20:57:55,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:55,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 20:57:55,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:55,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 20:57:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:57:55,310 INFO L87 Difference]: Start difference. First operand 423 states and 553 transitions. Second operand has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:57:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:55,634 INFO L93 Difference]: Finished difference Result 558 states and 742 transitions. [2024-10-11 20:57:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:57:55,635 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 121 [2024-10-11 20:57:55,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:55,637 INFO L225 Difference]: With dead ends: 558 [2024-10-11 20:57:55,637 INFO L226 Difference]: Without dead ends: 557 [2024-10-11 20:57:55,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:57:55,638 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 351 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:55,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 302 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:57:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-11 20:57:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 422. [2024-10-11 20:57:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 345 states have (on average 1.2173913043478262) internal successors, (420), 355 states have internal predecessors, (420), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-11 20:57:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 550 transitions. [2024-10-11 20:57:55,682 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 550 transitions. Word has length 121 [2024-10-11 20:57:55,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:55,682 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 550 transitions. [2024-10-11 20:57:55,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-10-11 20:57:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 550 transitions. [2024-10-11 20:57:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:57:55,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:55,684 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:55,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:55,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:55,888 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:55,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1344508799, now seen corresponding path program 1 times [2024-10-11 20:57:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658697852] [2024-10-11 20:57:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:55,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:57:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:57:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:57:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:57:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:57:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:57:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:57:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:57:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:57:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:57:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:57:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:57:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:57:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:56,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:57:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658697852] [2024-10-11 20:57:56,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658697852] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:57:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941327382] [2024-10-11 20:57:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:56,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:56,177 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:56,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:57:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:57:56,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:57:56,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:56,510 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:56,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:57:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:57:57,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941327382] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:57:57,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:57:57,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-10-11 20:57:57,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361544397] [2024-10-11 20:57:57,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:57:57,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:57:57,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:57:57,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:57:57,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:57:57,719 INFO L87 Difference]: Start difference. First operand 422 states and 550 transitions. Second operand has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:57:58,824 INFO L93 Difference]: Finished difference Result 684 states and 873 transitions. [2024-10-11 20:57:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:57:58,825 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 122 [2024-10-11 20:57:58,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:57:58,829 INFO L225 Difference]: With dead ends: 684 [2024-10-11 20:57:58,829 INFO L226 Difference]: Without dead ends: 683 [2024-10-11 20:57:58,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 20:57:58,831 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 304 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:57:58,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 545 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:57:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-11 20:57:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 565. [2024-10-11 20:57:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.2139830508474576) internal successors, (573), 482 states have internal predecessors, (573), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-11 20:57:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 735 transitions. [2024-10-11 20:57:58,895 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 735 transitions. Word has length 122 [2024-10-11 20:57:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:57:58,895 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 735 transitions. [2024-10-11 20:57:58,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-11 20:57:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 735 transitions. [2024-10-11 20:57:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 20:57:58,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:57:58,897 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:57:58,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-11 20:57:59,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:59,098 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:57:59,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:57:59,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1855422037, now seen corresponding path program 3 times [2024-10-11 20:57:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:57:59,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57211638] [2024-10-11 20:57:59,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:57:59,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:57:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:57:59,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597173375] [2024-10-11 20:57:59,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:57:59,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:57:59,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:57:59,130 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:57:59,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:57:59,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:57:59,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:57:59,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:57:59,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:57:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-10-11 20:57:59,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57211638] [2024-10-11 20:58:14,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597173375] [2024-10-11 20:58:14,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597173375] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:14,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:14,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:58:14,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485613326] [2024-10-11 20:58:14,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:14,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:58:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:58:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=242, Unknown=3, NotChecked=0, Total=306 [2024-10-11 20:58:14,820 INFO L87 Difference]: Start difference. First operand 565 states and 735 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:15,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:15,562 INFO L93 Difference]: Finished difference Result 578 states and 747 transitions. [2024-10-11 20:58:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:58:15,562 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 123 [2024-10-11 20:58:15,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:15,565 INFO L225 Difference]: With dead ends: 578 [2024-10-11 20:58:15,565 INFO L226 Difference]: Without dead ends: 577 [2024-10-11 20:58:15,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=160, Invalid=539, Unknown=3, NotChecked=0, Total=702 [2024-10-11 20:58:15,566 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 155 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:15,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 137 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:58:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-11 20:58:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 565. [2024-10-11 20:58:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.201271186440678) internal successors, (567), 482 states have internal predecessors, (567), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-11 20:58:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 729 transitions. [2024-10-11 20:58:15,632 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 729 transitions. Word has length 123 [2024-10-11 20:58:15,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:15,632 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 729 transitions. [2024-10-11 20:58:15,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:58:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 729 transitions. [2024-10-11 20:58:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 20:58:15,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:15,634 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:58:15,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:15,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:15,839 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:15,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:15,840 INFO L85 PathProgramCache]: Analyzing trace with hash -712197727, now seen corresponding path program 2 times [2024-10-11 20:58:15,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:15,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269886505] [2024-10-11 20:58:15,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:15,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:15,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535913854] [2024-10-11 20:58:15,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:58:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:15,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:15,870 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:15,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:58:15,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:58:15,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:15,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:58:15,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-10-11 20:58:16,039 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:16,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:16,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269886505] [2024-10-11 20:58:16,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:16,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535913854] [2024-10-11 20:58:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535913854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:16,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:58:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:58:16,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14723766] [2024-10-11 20:58:16,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:16,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:58:16,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:16,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:58:16,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:58:16,041 INFO L87 Difference]: Start difference. First operand 565 states and 729 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-11 20:58:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:16,169 INFO L93 Difference]: Finished difference Result 565 states and 729 transitions. [2024-10-11 20:58:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:58:16,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 124 [2024-10-11 20:58:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:16,172 INFO L225 Difference]: With dead ends: 565 [2024-10-11 20:58:16,172 INFO L226 Difference]: Without dead ends: 564 [2024-10-11 20:58:16,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:58:16,172 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 52 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:16,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 76 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:58:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-11 20:58:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 534. [2024-10-11 20:58:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 446 states have (on average 1.1726457399103138) internal successors, (523), 455 states have internal predecessors, (523), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-11 20:58:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 677 transitions. [2024-10-11 20:58:16,236 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 677 transitions. Word has length 124 [2024-10-11 20:58:16,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:16,237 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 677 transitions. [2024-10-11 20:58:16,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-10-11 20:58:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 677 transitions. [2024-10-11 20:58:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 20:58:16,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:16,238 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-10-11 20:58:16,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:16,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-11 20:58:16,439 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:16,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash 56039668, now seen corresponding path program 4 times [2024-10-11 20:58:16,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:16,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206486316] [2024-10-11 20:58:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:16,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 20:58:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:58:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 20:58:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 20:58:16,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206486316] [2024-10-11 20:58:16,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206486316] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719464560] [2024-10-11 20:58:16,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:58:16,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:16,936 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:16,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:58:17,012 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:58:17,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:17,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:58:17,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-11 20:58:17,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:20,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719464560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:20,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:20,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-10-11 20:58:20,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886831611] [2024-10-11 20:58:20,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:20,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 20:58:20,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:20,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 20:58:20,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:58:20,114 INFO L87 Difference]: Start difference. First operand 534 states and 677 transitions. Second operand has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-10-11 20:58:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:23,603 INFO L93 Difference]: Finished difference Result 933 states and 1189 transitions. [2024-10-11 20:58:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-11 20:58:23,603 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 127 [2024-10-11 20:58:23,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:23,607 INFO L225 Difference]: With dead ends: 933 [2024-10-11 20:58:23,607 INFO L226 Difference]: Without dead ends: 927 [2024-10-11 20:58:23,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=883, Invalid=4969, Unknown=0, NotChecked=0, Total=5852 [2024-10-11 20:58:23,609 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 963 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:23,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 558 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 20:58:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-10-11 20:58:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 683. [2024-10-11 20:58:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 583 states have (on average 1.169811320754717) internal successors, (682), 592 states have internal predecessors, (682), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-11 20:58:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 860 transitions. [2024-10-11 20:58:23,689 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 860 transitions. Word has length 127 [2024-10-11 20:58:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:23,690 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 860 transitions. [2024-10-11 20:58:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.416666666666667) internal successors, (130), 25 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-10-11 20:58:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 860 transitions. [2024-10-11 20:58:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 20:58:23,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:23,691 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:23,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:23,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:58:23,892 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:23,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash -880206758, now seen corresponding path program 1 times [2024-10-11 20:58:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845182269] [2024-10-11 20:58:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:23,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043333504] [2024-10-11 20:58:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:23,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:23,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:23,922 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:23,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:58:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:23,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:58:23,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-10-11 20:58:24,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:24,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:24,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845182269] [2024-10-11 20:58:24,153 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:24,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043333504] [2024-10-11 20:58:24,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043333504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:24,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:58:24,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:58:24,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525851314] [2024-10-11 20:58:24,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:24,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:58:24,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:24,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:58:24,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:58:24,154 INFO L87 Difference]: Start difference. First operand 683 states and 860 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:58:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:24,235 INFO L93 Difference]: Finished difference Result 683 states and 860 transitions. [2024-10-11 20:58:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:58:24,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2024-10-11 20:58:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:24,237 INFO L225 Difference]: With dead ends: 683 [2024-10-11 20:58:24,237 INFO L226 Difference]: Without dead ends: 681 [2024-10-11 20:58:24,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:58:24,238 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:24,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 59 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:58:24,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-11 20:58:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 534. [2024-10-11 20:58:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 452 states have (on average 1.1393805309734513) internal successors, (515), 459 states have internal predecessors, (515), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 661 transitions. [2024-10-11 20:58:24,311 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 661 transitions. Word has length 130 [2024-10-11 20:58:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:24,311 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 661 transitions. [2024-10-11 20:58:24,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:58:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 661 transitions. [2024-10-11 20:58:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 20:58:24,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:24,313 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:24,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-11 20:58:24,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:24,515 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:24,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash -536642963, now seen corresponding path program 1 times [2024-10-11 20:58:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:24,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557187264] [2024-10-11 20:58:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:24,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253797524] [2024-10-11 20:58:24,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:24,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:24,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:24,540 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:24,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:58:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:24,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 20:58:24,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:25,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:25,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:25,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557187264] [2024-10-11 20:58:25,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:25,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253797524] [2024-10-11 20:58:25,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253797524] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:25,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:58:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140308647] [2024-10-11 20:58:25,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:25,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:58:25,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:25,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:58:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:25,669 INFO L87 Difference]: Start difference. First operand 534 states and 661 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:26,105 INFO L93 Difference]: Finished difference Result 538 states and 665 transitions. [2024-10-11 20:58:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:58:26,106 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 137 [2024-10-11 20:58:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:26,108 INFO L225 Difference]: With dead ends: 538 [2024-10-11 20:58:26,108 INFO L226 Difference]: Without dead ends: 537 [2024-10-11 20:58:26,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:26,108 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 15 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:26,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 246 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:58:26,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-11 20:58:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2024-10-11 20:58:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1390728476821192) internal successors, (516), 460 states have internal predecessors, (516), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 662 transitions. [2024-10-11 20:58:26,156 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 662 transitions. Word has length 137 [2024-10-11 20:58:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:26,156 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 662 transitions. [2024-10-11 20:58:26,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2024-10-11 20:58:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 20:58:26,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:26,157 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:26,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-11 20:58:26,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:26,358 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:26,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:26,358 INFO L85 PathProgramCache]: Analyzing trace with hash 543937458, now seen corresponding path program 1 times [2024-10-11 20:58:26,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:26,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381873390] [2024-10-11 20:58:26,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:26,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:26,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200188014] [2024-10-11 20:58:26,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:26,380 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:26,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:58:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:26,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:26,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:26,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:27,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381873390] [2024-10-11 20:58:27,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200188014] [2024-10-11 20:58:27,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200188014] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:27,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:58:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182866212] [2024-10-11 20:58:27,563 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:27,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:58:27,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:27,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:58:27,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:27,564 INFO L87 Difference]: Start difference. First operand 535 states and 662 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:28,134 INFO L93 Difference]: Finished difference Result 543 states and 669 transitions. [2024-10-11 20:58:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:58:28,134 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-10-11 20:58:28,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:28,137 INFO L225 Difference]: With dead ends: 543 [2024-10-11 20:58:28,137 INFO L226 Difference]: Without dead ends: 538 [2024-10-11 20:58:28,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:58:28,138 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 32 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:28,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 347 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:58:28,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-11 20:58:28,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 535. [2024-10-11 20:58:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1346578366445916) internal successors, (514), 460 states have internal predecessors, (514), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:28,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 660 transitions. [2024-10-11 20:58:28,217 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 660 transitions. Word has length 138 [2024-10-11 20:58:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:28,217 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 660 transitions. [2024-10-11 20:58:28,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 660 transitions. [2024-10-11 20:58:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 20:58:28,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:28,218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:28,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-11 20:58:28,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-11 20:58:28,423 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:28,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1074607603, now seen corresponding path program 3 times [2024-10-11 20:58:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:28,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604319694] [2024-10-11 20:58:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:28,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:28,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869634996] [2024-10-11 20:58:28,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:58:28,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:28,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:28,447 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:28,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:58:28,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:58:28,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:28,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:58:28,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-11 20:58:28,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:29,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:29,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604319694] [2024-10-11 20:58:29,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:29,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869634996] [2024-10-11 20:58:29,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869634996] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:29,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:29,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:58:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41432757] [2024-10-11 20:58:29,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:29,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:58:29,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:29,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:58:29,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:58:29,040 INFO L87 Difference]: Start difference. First operand 535 states and 660 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:29,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:29,387 INFO L93 Difference]: Finished difference Result 537 states and 662 transitions. [2024-10-11 20:58:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:58:29,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 141 [2024-10-11 20:58:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:29,389 INFO L225 Difference]: With dead ends: 537 [2024-10-11 20:58:29,389 INFO L226 Difference]: Without dead ends: 536 [2024-10-11 20:58:29,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:58:29,391 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 78 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:29,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 82 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:58:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-11 20:58:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 534. [2024-10-11 20:58:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 453 states have (on average 1.130242825607064) internal successors, (512), 459 states have internal predecessors, (512), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 20:58:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 658 transitions. [2024-10-11 20:58:29,436 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 658 transitions. Word has length 141 [2024-10-11 20:58:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:29,437 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 658 transitions. [2024-10-11 20:58:29,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 658 transitions. [2024-10-11 20:58:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 20:58:29,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:29,438 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:29,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-11 20:58:29,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:29,639 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:29,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1046902548, now seen corresponding path program 1 times [2024-10-11 20:58:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:29,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872480830] [2024-10-11 20:58:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:29,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:58:29,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818599852] [2024-10-11 20:58:29,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:29,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:29,670 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:29,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:58:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:29,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 20:58:29,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 20:58:30,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:31,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:31,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872480830] [2024-10-11 20:58:31,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:58:31,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818599852] [2024-10-11 20:58:31,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818599852] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:31,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:31,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-10-11 20:58:31,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938504849] [2024-10-11 20:58:31,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:31,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:58:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:58:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:58:31,248 INFO L87 Difference]: Start difference. First operand 534 states and 658 transitions. Second operand has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:31,973 INFO L93 Difference]: Finished difference Result 586 states and 717 transitions. [2024-10-11 20:58:31,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:58:31,974 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 142 [2024-10-11 20:58:31,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:31,975 INFO L225 Difference]: With dead ends: 586 [2024-10-11 20:58:31,975 INFO L226 Difference]: Without dead ends: 317 [2024-10-11 20:58:31,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:58:31,976 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 121 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:31,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 290 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:58:31,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-11 20:58:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-10-11 20:58:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 260 states have (on average 1.1076923076923078) internal successors, (288), 266 states have internal predecessors, (288), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:58:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 386 transitions. [2024-10-11 20:58:32,013 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 386 transitions. Word has length 142 [2024-10-11 20:58:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:32,013 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 386 transitions. [2024-10-11 20:58:32,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:58:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 386 transitions. [2024-10-11 20:58:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-11 20:58:32,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:32,015 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:32,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-11 20:58:32,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-11 20:58:32,215 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:32,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash -7315607, now seen corresponding path program 2 times [2024-10-11 20:58:32,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:32,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140718705] [2024-10-11 20:58:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:32,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 20:58:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 20:58:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:32,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140718705] [2024-10-11 20:58:32,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140718705] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:32,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930137302] [2024-10-11 20:58:32,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:58:32,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:32,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:32,462 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:32,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:58:32,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:58:32,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:32,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:58:32,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-11 20:58:32,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:58:32,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930137302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:58:32,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:58:32,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-10-11 20:58:32,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155420073] [2024-10-11 20:58:32,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:32,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:58:32,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:32,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:58:32,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:58:32,880 INFO L87 Difference]: Start difference. First operand 317 states and 386 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:58:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:33,155 INFO L93 Difference]: Finished difference Result 433 states and 528 transitions. [2024-10-11 20:58:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:58:33,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 161 [2024-10-11 20:58:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:33,156 INFO L225 Difference]: With dead ends: 433 [2024-10-11 20:58:33,156 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 20:58:33,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:58:33,157 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 86 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:33,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 277 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:58:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 20:58:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 287. [2024-10-11 20:58:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 232 states have (on average 1.125) internal successors, (261), 238 states have internal predecessors, (261), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:58:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 355 transitions. [2024-10-11 20:58:33,200 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 355 transitions. Word has length 161 [2024-10-11 20:58:33,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:33,200 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 355 transitions. [2024-10-11 20:58:33,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-11 20:58:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 355 transitions. [2024-10-11 20:58:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-11 20:58:33,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:33,201 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:33,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:58:33,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:58:33,406 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:33,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:33,406 INFO L85 PathProgramCache]: Analyzing trace with hash 727122357, now seen corresponding path program 3 times [2024-10-11 20:58:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:33,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856766101] [2024-10-11 20:58:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856766101] [2024-10-11 20:58:33,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856766101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956543789] [2024-10-11 20:58:33,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:58:33,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:33,634 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:33,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:58:33,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:58:33,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:58:33,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:58:33,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-10-11 20:58:33,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-10-11 20:58:34,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956543789] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:34,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:34,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 16 [2024-10-11 20:58:34,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057478913] [2024-10-11 20:58:34,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:58:34,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:58:34,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:34,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:58:34,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:58:34,750 INFO L87 Difference]: Start difference. First operand 287 states and 355 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:35,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:35,265 INFO L93 Difference]: Finished difference Result 287 states and 355 transitions. [2024-10-11 20:58:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:58:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 161 [2024-10-11 20:58:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:35,266 INFO L225 Difference]: With dead ends: 287 [2024-10-11 20:58:35,266 INFO L226 Difference]: Without dead ends: 286 [2024-10-11 20:58:35,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 351 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:58:35,267 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 90 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:35,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 64 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:58:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-11 20:58:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2024-10-11 20:58:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 232 states have (on average 1.1206896551724137) internal successors, (260), 237 states have internal predecessors, (260), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:58:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2024-10-11 20:58:35,309 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 161 [2024-10-11 20:58:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:35,310 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2024-10-11 20:58:35,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 20:58:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2024-10-11 20:58:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 20:58:35,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:35,311 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:35,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:35,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-10-11 20:58:35,511 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1315080041, now seen corresponding path program 1 times [2024-10-11 20:58:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:35,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886697797] [2024-10-11 20:58:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:35,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:35,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886697797] [2024-10-11 20:58:35,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886697797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:35,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257492323] [2024-10-11 20:58:35,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:35,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:35,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:35,758 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:35,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:58:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:35,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:35,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:36,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:58:36,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257492323] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:36,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:58:36,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 18 [2024-10-11 20:58:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862124089] [2024-10-11 20:58:36,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:58:36,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 20:58:36,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:58:36,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 20:58:36,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:58:36,591 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-10-11 20:58:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:58:37,247 INFO L93 Difference]: Finished difference Result 357 states and 435 transitions. [2024-10-11 20:58:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:58:37,248 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 163 [2024-10-11 20:58:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:58:37,249 INFO L225 Difference]: With dead ends: 357 [2024-10-11 20:58:37,249 INFO L226 Difference]: Without dead ends: 352 [2024-10-11 20:58:37,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-10-11 20:58:37,250 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 59 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:58:37,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 444 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:58:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-11 20:58:37,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 286. [2024-10-11 20:58:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 232 states have (on average 1.1120689655172413) internal successors, (258), 237 states have internal predecessors, (258), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-11 20:58:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 352 transitions. [2024-10-11 20:58:37,289 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 352 transitions. Word has length 163 [2024-10-11 20:58:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:58:37,289 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 352 transitions. [2024-10-11 20:58:37,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-10-11 20:58:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 352 transitions. [2024-10-11 20:58:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 20:58:37,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:58:37,290 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:58:37,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-11 20:58:37,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:37,491 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-10-11 20:58:37,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:58:37,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1985006600, now seen corresponding path program 1 times [2024-10-11 20:58:37,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:58:37,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255211679] [2024-10-11 20:58:37,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:37,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:58:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 20:58:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:58:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 20:58:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 20:58:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 20:58:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:58:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 20:58:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 20:58:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:58:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 20:58:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 20:58:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 20:58:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 20:58:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:58:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 20:58:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 20:58:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 20:58:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:58:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:37,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:58:37,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255211679] [2024-10-11 20:58:37,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255211679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:58:37,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123565992] [2024-10-11 20:58:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:58:37,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:58:37,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:58:37,939 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:58:37,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:58:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:58:38,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 20:58:38,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:58:38,488 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 20:58:38,488 INFO L311 TraceCheckSpWp]: Computing backward predicates...