./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/mannadiv_unwindbound20.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/mannadiv_unwindbound20.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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:59:46,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:59:47,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:59:47,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:59:47,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:59:47,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:59:47,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:59:47,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:59:47,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:59:47,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:59:47,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:59:47,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:59:47,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:59:47,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:59:47,078 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:59:47,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:59:47,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:59:47,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:59:47,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:59:47,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:59:47,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:59:47,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:59:47,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:59:47,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:59:47,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:59:47,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:59:47,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:59:47,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:59:47,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:59:47,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:59:47,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:59:47,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:59:47,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:59:47,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:59:47,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2024-10-11 20:59:47,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:59:47,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:59:47,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:59:47,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:59:47,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:59:47,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-10-11 20:59:48,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:59:48,653 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:59:48,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-10-11 20:59:48,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/276103938/1207d0f65d0f47cc96f56961f1ae3163/FLAG9097dcda9 [2024-10-11 20:59:48,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/276103938/1207d0f65d0f47cc96f56961f1ae3163 [2024-10-11 20:59:48,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:59:48,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:59:48,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:59:48,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:59:48,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:59:48,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b237365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48, skipping insertion in model container [2024-10-11 20:59:48,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:59:48,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:59:48,867 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:59:48,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:59:48,891 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:59:48,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48 WrapperNode [2024-10-11 20:59:48,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:59:48,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:59:48,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:59:48,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:59:48,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,917 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-10-11 20:59:48,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:59:48,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:59:48,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:59:48,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:59:48,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,950 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:59:48,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:59:48,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:59:48,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:59:48,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:59:48,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (1/1) ... [2024-10-11 20:59:48,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:59:48,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:48,992 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 20:59:48,994 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 20:59:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:59:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:59:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:59:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:59:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:59:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:59:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:59:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:59:49,070 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:59:49,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:59:49,233 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-10-11 20:59:49,234 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:59:49,266 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:59:49,266 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:59:49,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:59:49 BoogieIcfgContainer [2024-10-11 20:59:49,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:59:49,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:59:49,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:59:49,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:59:49,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:59:48" (1/3) ... [2024-10-11 20:59:49,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f489c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:59:49, skipping insertion in model container [2024-10-11 20:59:49,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:59:48" (2/3) ... [2024-10-11 20:59:49,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f489c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:59:49, skipping insertion in model container [2024-10-11 20:59:49,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:59:49" (3/3) ... [2024-10-11 20:59:49,277 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound20.c [2024-10-11 20:59:49,290 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:59:49,291 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-11 20:59:49,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:59:49,342 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;@84b08a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:59:49,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-11 20:59:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.8) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:59:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:59:49,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:49,351 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:49,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:49,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1616721719, now seen corresponding path program 1 times [2024-10-11 20:59:49,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:49,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864793712] [2024-10-11 20:59:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:49,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,496 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 20:59:49,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:49,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864793712] [2024-10-11 20:59:49,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864793712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:49,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:49,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:59:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418082457] [2024-10-11 20:59:49,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:49,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:59:49,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:49,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:59:49,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:59:49,524 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.8) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:59:49,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:49,559 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2024-10-11 20:59:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:59:49,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-11 20:59:49,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:49,568 INFO L225 Difference]: With dead ends: 126 [2024-10-11 20:59:49,568 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 20:59:49,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:59:49,574 INFO L432 NwaCegarLoop]: 66 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, 66 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 20:59:49,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:49,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 20:59:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-11 20:59:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 55 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:59:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-10-11 20:59:49,608 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 14 [2024-10-11 20:59:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:49,609 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-10-11 20:59:49,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:59:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-10-11 20:59:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:59:49,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:49,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:49,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:59:49,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:49,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:49,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1919924458, now seen corresponding path program 1 times [2024-10-11 20:59:49,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:49,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644070631] [2024-10-11 20:59:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:49,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,815 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 20:59:49,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644070631] [2024-10-11 20:59:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644070631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:49,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:49,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:49,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422416154] [2024-10-11 20:59:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:49,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:49,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:49,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:49,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:49,821 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 20:59:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:49,869 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2024-10-11 20:59:49,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:59:49,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 14 [2024-10-11 20:59:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:49,872 INFO L225 Difference]: With dead ends: 75 [2024-10-11 20:59:49,872 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 20:59:49,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 20:59:49,873 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 9 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:49,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 167 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 20:59:49,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-11 20:59:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.631578947368421) internal successors, (62), 59 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:59:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2024-10-11 20:59:49,884 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 14 [2024-10-11 20:59:49,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:49,885 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2024-10-11 20:59:49,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 20:59:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-10-11 20:59:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:59:49,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:49,887 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:49,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:59:49,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:49,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:49,888 INFO L85 PathProgramCache]: Analyzing trace with hash -390003592, now seen corresponding path program 1 times [2024-10-11 20:59:49,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:49,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371834503] [2024-10-11 20:59:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:49,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455981976] [2024-10-11 20:59:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:49,909 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 20:59:49,910 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 20:59:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:49,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:59:49,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:49,968 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 20:59:49,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371834503] [2024-10-11 20:59:49,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:49,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455981976] [2024-10-11 20:59:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455981976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:49,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:49,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:59:49,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741294432] [2024-10-11 20:59:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:49,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:59:49,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:59:49,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:59:49,972 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:59:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:50,042 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2024-10-11 20:59:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:59:50,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17 [2024-10-11 20:59:50,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:50,043 INFO L225 Difference]: With dead ends: 104 [2024-10-11 20:59:50,043 INFO L226 Difference]: Without dead ends: 98 [2024-10-11 20:59:50,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 20:59:50,045 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 29 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:50,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 85 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:50,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-11 20:59:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 88. [2024-10-11 20:59:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.65) internal successors, (99), 81 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 20:59:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2024-10-11 20:59:50,056 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 17 [2024-10-11 20:59:50,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:50,056 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2024-10-11 20:59:50,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:59:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-10-11 20:59:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 20:59:50,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:50,057 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:50,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:59:50,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:50,260 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:50,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:50,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1131295462, now seen corresponding path program 1 times [2024-10-11 20:59:50,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:50,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933608711] [2024-10-11 20:59:50,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,340 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 20:59:50,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933608711] [2024-10-11 20:59:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933608711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:50,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:50,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645561160] [2024-10-11 20:59:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:50,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:50,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:50,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:50,342 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:50,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:50,543 INFO L93 Difference]: Finished difference Result 138 states and 175 transitions. [2024-10-11 20:59:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:50,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-10-11 20:59:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:50,545 INFO L225 Difference]: With dead ends: 138 [2024-10-11 20:59:50,545 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 20:59:50,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:59:50,546 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 28 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:50,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 117 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:59:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 20:59:50,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 124. [2024-10-11 20:59:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 94 states have (on average 1.5957446808510638) internal successors, (150), 115 states have internal predecessors, (150), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:59:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2024-10-11 20:59:50,558 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 19 [2024-10-11 20:59:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:50,558 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2024-10-11 20:59:50,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2024-10-11 20:59:50,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:59:50,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:50,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:50,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 20:59:50,560 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:50,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash -710420897, now seen corresponding path program 1 times [2024-10-11 20:59:50,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:50,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231330326] [2024-10-11 20:59:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,646 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 20:59:50,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:50,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231330326] [2024-10-11 20:59:50,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231330326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:50,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:50,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:50,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715942940] [2024-10-11 20:59:50,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:50,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:50,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:50,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:50,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:50,648 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:50,828 INFO L93 Difference]: Finished difference Result 135 states and 165 transitions. [2024-10-11 20:59:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:50,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-11 20:59:50,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:50,834 INFO L225 Difference]: With dead ends: 135 [2024-10-11 20:59:50,834 INFO L226 Difference]: Without dead ends: 126 [2024-10-11 20:59:50,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:59:50,835 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 42 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:50,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 96 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:59:50,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-11 20:59:50,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2024-10-11 20:59:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5666666666666667) internal successors, (141), 111 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:59:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 153 transitions. [2024-10-11 20:59:50,846 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 153 transitions. Word has length 20 [2024-10-11 20:59:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:50,846 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 153 transitions. [2024-10-11 20:59:50,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2024-10-11 20:59:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:59:50,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:50,847 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:50,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:59:50,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:50,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:50,849 INFO L85 PathProgramCache]: Analyzing trace with hash -548211268, now seen corresponding path program 1 times [2024-10-11 20:59:50,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:50,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085114035] [2024-10-11 20:59:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:50,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:51,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085114035] [2024-10-11 20:59:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085114035] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:51,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411223779] [2024-10-11 20:59:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:51,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:51,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:51,015 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 20:59:51,017 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 20:59:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:51,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:59:51,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:51,195 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 20:59:51,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:51,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411223779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:51,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:51,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:59:51,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982617051] [2024-10-11 20:59:51,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:51,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:51,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:51,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:51,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:59:51,197 INFO L87 Difference]: Start difference. First operand 120 states and 153 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:51,301 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2024-10-11 20:59:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-11 20:59:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:51,303 INFO L225 Difference]: With dead ends: 123 [2024-10-11 20:59:51,303 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:59:51,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:59:51,304 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 81 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:51,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 72 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:59:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-10-11 20:59:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5555555555555556) internal successors, (140), 111 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:59:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 152 transitions. [2024-10-11 20:59:51,319 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 152 transitions. Word has length 21 [2024-10-11 20:59:51,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:51,319 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 152 transitions. [2024-10-11 20:59:51,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2024-10-11 20:59:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 20:59:51,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:51,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:51,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:59:51,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:51,523 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:51,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:51,524 INFO L85 PathProgramCache]: Analyzing trace with hash 185319937, now seen corresponding path program 1 times [2024-10-11 20:59:51,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:51,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876125679] [2024-10-11 20:59:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677977247] [2024-10-11 20:59:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:51,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:51,536 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 20:59:51,537 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 20:59:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:51,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:59:51,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:51,627 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 20:59:51,628 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:51,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876125679] [2024-10-11 20:59:51,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677977247] [2024-10-11 20:59:51,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677977247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:51,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:51,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:51,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258363057] [2024-10-11 20:59:51,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:51,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:51,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:51,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:51,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:51,630 INFO L87 Difference]: Start difference. First operand 120 states and 152 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:51,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:51,740 INFO L93 Difference]: Finished difference Result 121 states and 152 transitions. [2024-10-11 20:59:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:51,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-11 20:59:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:51,742 INFO L225 Difference]: With dead ends: 121 [2024-10-11 20:59:51,742 INFO L226 Difference]: Without dead ends: 120 [2024-10-11 20:59:51,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:59:51,743 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 74 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:51,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:51,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-11 20:59:51,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-10-11 20:59:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 111 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:59:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-10-11 20:59:51,759 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 22 [2024-10-11 20:59:51,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:51,759 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-10-11 20:59:51,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 20:59:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-10-11 20:59:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 20:59:51,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:51,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:51,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:59:51,961 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 20:59:51,962 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:51,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:51,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1256432811, now seen corresponding path program 1 times [2024-10-11 20:59:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186736003] [2024-10-11 20:59:51,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:52,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186736003] [2024-10-11 20:59:52,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186736003] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:52,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105765358] [2024-10-11 20:59:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:52,048 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 20:59:52,049 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 20:59:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:59:52,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:52,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105765358] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:59:52,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:59:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-11 20:59:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542358779] [2024-10-11 20:59:52,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:52,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:59:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:52,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:59:52,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:59:52,179 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:59:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:52,256 INFO L93 Difference]: Finished difference Result 191 states and 238 transitions. [2024-10-11 20:59:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:59:52,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 34 [2024-10-11 20:59:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:52,258 INFO L225 Difference]: With dead ends: 191 [2024-10-11 20:59:52,258 INFO L226 Difference]: Without dead ends: 189 [2024-10-11 20:59:52,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:59:52,259 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 150 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:52,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 239 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-11 20:59:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 167. [2024-10-11 20:59:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 135 states have (on average 1.548148148148148) internal successors, (209), 156 states have internal predecessors, (209), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:59:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 225 transitions. [2024-10-11 20:59:52,277 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 225 transitions. Word has length 34 [2024-10-11 20:59:52,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:52,278 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 225 transitions. [2024-10-11 20:59:52,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 20:59:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 225 transitions. [2024-10-11 20:59:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:59:52,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:52,279 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:52,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:59:52,482 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 20:59:52,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:52,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash -294711385, now seen corresponding path program 1 times [2024-10-11 20:59:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:52,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839630749] [2024-10-11 20:59:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:52,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,524 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 20:59:52,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:52,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839630749] [2024-10-11 20:59:52,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839630749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:52,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:52,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:52,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892357501] [2024-10-11 20:59:52,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:52,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:52,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:52,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:52,526 INFO L87 Difference]: Start difference. First operand 167 states and 225 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 20:59:52,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:52,554 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2024-10-11 20:59:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:52,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 35 [2024-10-11 20:59:52,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:52,557 INFO L225 Difference]: With dead ends: 177 [2024-10-11 20:59:52,557 INFO L226 Difference]: Without dead ends: 175 [2024-10-11 20:59:52,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 20:59:52,558 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 80 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:52,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 75 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-11 20:59:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-10-11 20:59:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 135 states have (on average 1.511111111111111) internal successors, (204), 154 states have internal predecessors, (204), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:59:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 220 transitions. [2024-10-11 20:59:52,571 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 220 transitions. Word has length 35 [2024-10-11 20:59:52,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:52,571 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 220 transitions. [2024-10-11 20:59:52,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 20:59:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2024-10-11 20:59:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 20:59:52,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:52,573 INFO L215 NwaCegarLoop]: trace histogram [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 20:59:52,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:59:52,573 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:52,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:52,574 INFO L85 PathProgramCache]: Analyzing trace with hash 250201833, now seen corresponding path program 1 times [2024-10-11 20:59:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:52,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395900151] [2024-10-11 20:59:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:52,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:52,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:52,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395900151] [2024-10-11 20:59:52,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395900151] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:52,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396608557] [2024-10-11 20:59:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:52,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:52,653 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 20:59:52,654 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 20:59:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:52,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:59:52,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:52,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:52,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396608557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:52,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:52,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:59:52,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284557585] [2024-10-11 20:59:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:52,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:59:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:59:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:59:52,738 INFO L87 Difference]: Start difference. First operand 165 states and 220 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:52,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:52,758 INFO L93 Difference]: Finished difference Result 165 states and 220 transitions. [2024-10-11 20:59:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:52,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-10-11 20:59:52,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:52,759 INFO L225 Difference]: With dead ends: 165 [2024-10-11 20:59:52,759 INFO L226 Difference]: Without dead ends: 164 [2024-10-11 20:59:52,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:59:52,760 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 42 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:52,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 108 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:52,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-11 20:59:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-11 20:59:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 135 states have (on average 1.474074074074074) internal successors, (199), 153 states have internal predecessors, (199), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:59:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2024-10-11 20:59:52,768 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 215 transitions. Word has length 37 [2024-10-11 20:59:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:52,769 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 215 transitions. [2024-10-11 20:59:52,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2024-10-11 20:59:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:59:52,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:52,770 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:52,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:59:52,973 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,SelfDestructingSolverStorable9 [2024-10-11 20:59:52,974 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:52,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:52,975 INFO L85 PathProgramCache]: Analyzing trace with hash -833677725, now seen corresponding path program 1 times [2024-10-11 20:59:52,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:52,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550801292] [2024-10-11 20:59:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:52,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:53,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:53,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550801292] [2024-10-11 20:59:53,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550801292] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:53,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608907884] [2024-10-11 20:59:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:53,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:53,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:53,049 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 20:59:53,050 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 20:59:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:59:53,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:53,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608907884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:53,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:59:53,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928035434] [2024-10-11 20:59:53,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:53,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:59:53,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:53,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:59:53,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:59:53,136 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:53,170 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2024-10-11 20:59:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:59:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-10-11 20:59:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:53,171 INFO L225 Difference]: With dead ends: 174 [2024-10-11 20:59:53,171 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 20:59:53,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:59:53,172 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 39 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:53,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 184 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:53,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 20:59:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2024-10-11 20:59:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 135 states have (on average 1.4370370370370371) internal successors, (194), 152 states have internal predecessors, (194), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 20:59:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 210 transitions. [2024-10-11 20:59:53,178 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 210 transitions. Word has length 38 [2024-10-11 20:59:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:53,179 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 210 transitions. [2024-10-11 20:59:53,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2024-10-11 20:59:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:59:53,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:53,180 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:53,192 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 20:59:53,380 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,SelfDestructingSolverStorable10 [2024-10-11 20:59:53,381 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:53,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash -260192512, now seen corresponding path program 1 times [2024-10-11 20:59:53,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:53,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673477566] [2024-10-11 20:59:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:53,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:53,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673477566] [2024-10-11 20:59:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673477566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:53,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377757383] [2024-10-11 20:59:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:53,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:53,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:53,450 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 20:59:53,451 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 20:59:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:59:53,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:53,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:53,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377757383] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:59:53,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:59:53,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-11 20:59:53,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681910699] [2024-10-11 20:59:53,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:53,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:59:53,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:53,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:59:53,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:59:53,603 INFO L87 Difference]: Start difference. First operand 163 states and 210 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 20:59:53,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:53,701 INFO L93 Difference]: Finished difference Result 305 states and 362 transitions. [2024-10-11 20:59:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:59:53,701 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 40 [2024-10-11 20:59:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:53,702 INFO L225 Difference]: With dead ends: 305 [2024-10-11 20:59:53,702 INFO L226 Difference]: Without dead ends: 293 [2024-10-11 20:59:53,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:59:53,704 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 94 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:53,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 314 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:59:53,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-11 20:59:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2024-10-11 20:59:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 217 states have (on average 1.4101382488479262) internal successors, (306), 234 states have internal predecessors, (306), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:59:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 328 transitions. [2024-10-11 20:59:53,714 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 328 transitions. Word has length 40 [2024-10-11 20:59:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:53,715 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 328 transitions. [2024-10-11 20:59:53,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 20:59:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2024-10-11 20:59:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:59:53,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:53,718 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:53,730 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 20:59:53,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:53,918 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:53,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:53,919 INFO L85 PathProgramCache]: Analyzing trace with hash -260192497, now seen corresponding path program 1 times [2024-10-11 20:59:53,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:53,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601161969] [2024-10-11 20:59:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:53,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617456491] [2024-10-11 20:59:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:53,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:53,931 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 20:59:53,933 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 20:59:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:53,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:59:53,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:54,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:54,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:54,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601161969] [2024-10-11 20:59:54,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:54,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617456491] [2024-10-11 20:59:54,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617456491] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:54,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:54,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:59:54,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566938425] [2024-10-11 20:59:54,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:54,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:59:54,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:54,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:59:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:59:54,227 INFO L87 Difference]: Start difference. First operand 251 states and 328 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 20:59:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:54,329 INFO L93 Difference]: Finished difference Result 258 states and 331 transitions. [2024-10-11 20:59:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:59:54,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 40 [2024-10-11 20:59:54,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:54,331 INFO L225 Difference]: With dead ends: 258 [2024-10-11 20:59:54,331 INFO L226 Difference]: Without dead ends: 251 [2024-10-11 20:59:54,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:59:54,333 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 65 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:54,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 77 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-11 20:59:54,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2024-10-11 20:59:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.3073394495412844) internal successors, (285), 230 states have internal predecessors, (285), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 20:59:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 307 transitions. [2024-10-11 20:59:54,343 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 307 transitions. Word has length 40 [2024-10-11 20:59:54,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:54,343 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 307 transitions. [2024-10-11 20:59:54,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 20:59:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 307 transitions. [2024-10-11 20:59:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:59:54,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:54,344 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:54,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:59:54,545 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,SelfDestructingSolverStorable12 [2024-10-11 20:59:54,546 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:54,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash 523967238, now seen corresponding path program 1 times [2024-10-11 20:59:54,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001811604] [2024-10-11 20:59:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:54,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772621261] [2024-10-11 20:59:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:54,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:54,557 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 20:59:54,558 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 20:59:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:54,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:59:54,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:54,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:54,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001811604] [2024-10-11 20:59:54,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772621261] [2024-10-11 20:59:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772621261] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:54,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:54,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-11 20:59:54,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625317436] [2024-10-11 20:59:54,992 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:54,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:59:54,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:54,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:59:54,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:59:54,993 INFO L87 Difference]: Start difference. First operand 247 states and 307 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:55,140 INFO L93 Difference]: Finished difference Result 335 states and 415 transitions. [2024-10-11 20:59:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:59:55,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-10-11 20:59:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:55,142 INFO L225 Difference]: With dead ends: 335 [2024-10-11 20:59:55,142 INFO L226 Difference]: Without dead ends: 330 [2024-10-11 20:59:55,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:59:55,142 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 92 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:55,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 116 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:55,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-11 20:59:55,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2024-10-11 20:59:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 282 states have (on average 1.2872340425531914) internal successors, (363), 294 states have internal predecessors, (363), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:59:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 391 transitions. [2024-10-11 20:59:55,159 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 391 transitions. Word has length 41 [2024-10-11 20:59:55,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:55,159 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 391 transitions. [2024-10-11 20:59:55,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 20:59:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 391 transitions. [2024-10-11 20:59:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 20:59:55,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:55,160 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:55,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:59:55,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:55,364 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:55,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:55,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1247688999, now seen corresponding path program 1 times [2024-10-11 20:59:55,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:55,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273829373] [2024-10-11 20:59:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:55,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:55,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273829373] [2024-10-11 20:59:55,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273829373] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:55,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000443324] [2024-10-11 20:59:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:55,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:55,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:55,432 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 20:59:55,433 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 20:59:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:59:55,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:55,557 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:59:55,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000443324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:55,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:59:55,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:59:55,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812264483] [2024-10-11 20:59:55,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:55,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:59:55,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:55,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:59:55,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:59:55,558 INFO L87 Difference]: Start difference. First operand 314 states and 391 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 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 20:59:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:55,641 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2024-10-11 20:59:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:59:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-10-11 20:59:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:55,642 INFO L225 Difference]: With dead ends: 314 [2024-10-11 20:59:55,643 INFO L226 Difference]: Without dead ends: 312 [2024-10-11 20:59:55,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:59:55,644 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 32 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:55,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 75 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-11 20:59:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 309. [2024-10-11 20:59:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 289 states have internal predecessors, (356), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:59:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 384 transitions. [2024-10-11 20:59:55,656 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 384 transitions. Word has length 42 [2024-10-11 20:59:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:55,656 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 384 transitions. [2024-10-11 20:59:55,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 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 20:59:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 384 transitions. [2024-10-11 20:59:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-11 20:59:55,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:55,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:55,669 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 20:59:55,858 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,SelfDestructingSolverStorable14 [2024-10-11 20:59:55,858 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:55,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:55,858 INFO L85 PathProgramCache]: Analyzing trace with hash 23653362, now seen corresponding path program 1 times [2024-10-11 20:59:55,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:55,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134206709] [2024-10-11 20:59:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:55,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:55,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134206709] [2024-10-11 20:59:55,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134206709] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:55,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970914505] [2024-10-11 20:59:55,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:55,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:55,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:55,995 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 20:59:55,996 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 20:59:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:56,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:59:56,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:56,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:56,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970914505] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:56,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:59:56,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2024-10-11 20:59:56,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141061603] [2024-10-11 20:59:56,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:56,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:59:56,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:56,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:59:56,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:59:56,201 INFO L87 Difference]: Start difference. First operand 309 states and 384 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:59:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:56,595 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2024-10-11 20:59:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:59:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 43 [2024-10-11 20:59:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:56,597 INFO L225 Difference]: With dead ends: 332 [2024-10-11 20:59:56,597 INFO L226 Difference]: Without dead ends: 313 [2024-10-11 20:59:56,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:59:56,597 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 140 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:56,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 186 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:59:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-11 20:59:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 297. [2024-10-11 20:59:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 267 states have (on average 1.2134831460674158) internal successors, (324), 278 states have internal predecessors, (324), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:59:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 352 transitions. [2024-10-11 20:59:56,608 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 352 transitions. Word has length 43 [2024-10-11 20:59:56,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:56,608 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 352 transitions. [2024-10-11 20:59:56,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-10-11 20:59:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 352 transitions. [2024-10-11 20:59:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:59:56,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:56,609 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:56,621 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 20:59:56,810 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,SelfDestructingSolverStorable15 [2024-10-11 20:59:56,810 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:56,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:56,810 INFO L85 PathProgramCache]: Analyzing trace with hash 733254281, now seen corresponding path program 1 times [2024-10-11 20:59:56,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:56,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624092508] [2024-10-11 20:59:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:56,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:56,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:56,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:56,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624092508] [2024-10-11 20:59:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624092508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:59:56,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:59:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:59:56,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625203268] [2024-10-11 20:59:56,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:59:56,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:59:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:59:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:59:56,847 INFO L87 Difference]: Start difference. First operand 297 states and 352 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:59:56,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:56,962 INFO L93 Difference]: Finished difference Result 298 states and 352 transitions. [2024-10-11 20:59:56,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:59:56,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 44 [2024-10-11 20:59:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:56,964 INFO L225 Difference]: With dead ends: 298 [2024-10-11 20:59:56,964 INFO L226 Difference]: Without dead ends: 297 [2024-10-11 20:59:56,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 20:59:56,965 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:56,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 73 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:59:56,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-11 20:59:56,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-10-11 20:59:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 267 states have (on average 1.1910112359550562) internal successors, (318), 278 states have internal predecessors, (318), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:59:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 346 transitions. [2024-10-11 20:59:56,976 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 346 transitions. Word has length 44 [2024-10-11 20:59:56,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:56,976 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 346 transitions. [2024-10-11 20:59:56,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 20:59:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 346 transitions. [2024-10-11 20:59:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:59:56,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:56,977 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:56,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:59:56,977 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:56,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:56,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1596888275, now seen corresponding path program 1 times [2024-10-11 20:59:56,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:56,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960847675] [2024-10-11 20:59:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:56,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:57,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:59:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:57,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 20:59:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 20:59:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:57,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:57,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960847675] [2024-10-11 20:59:57,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960847675] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:59:57,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635111349] [2024-10-11 20:59:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:57,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:57,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:57,084 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 20:59:57,085 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 20:59:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:57,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:59:57,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:57,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:59:57,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635111349] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:59:57,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:59:57,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-10-11 20:59:57,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799826029] [2024-10-11 20:59:57,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:57,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:59:57,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:57,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:59:57,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:59:57,441 INFO L87 Difference]: Start difference. First operand 297 states and 346 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:59:57,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:57,877 INFO L93 Difference]: Finished difference Result 302 states and 348 transitions. [2024-10-11 20:59:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:59:57,878 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2024-10-11 20:59:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:57,879 INFO L225 Difference]: With dead ends: 302 [2024-10-11 20:59:57,879 INFO L226 Difference]: Without dead ends: 299 [2024-10-11 20:59:57,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:59:57,881 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 183 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:57,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 169 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:59:57,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-11 20:59:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2024-10-11 20:59:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 267 states have (on average 1.149812734082397) internal successors, (307), 275 states have internal predecessors, (307), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-11 20:59:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 335 transitions. [2024-10-11 20:59:57,894 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 335 transitions. Word has length 44 [2024-10-11 20:59:57,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:57,894 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 335 transitions. [2024-10-11 20:59:57,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 20:59:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 335 transitions. [2024-10-11 20:59:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-11 20:59:57,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:57,894 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:57,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 20:59:58,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:59:58,095 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:58,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:58,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2036070966, now seen corresponding path program 1 times [2024-10-11 20:59:58,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:58,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283483023] [2024-10-11 20:59:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:58,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:58,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445084673] [2024-10-11 20:59:58,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:58,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:58,104 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 20:59:58,105 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 20:59:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:59:58,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:59:58,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:58,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:59:58,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:58,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283483023] [2024-10-11 20:59:58,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:58,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445084673] [2024-10-11 20:59:58,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445084673] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:59:58,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:59:58,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-11 20:59:58,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883333742] [2024-10-11 20:59:58,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:58,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:59:58,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:58,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:59:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:59:58,369 INFO L87 Difference]: Start difference. First operand 294 states and 335 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:59:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:59:58,847 INFO L93 Difference]: Finished difference Result 394 states and 449 transitions. [2024-10-11 20:59:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:59:58,847 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2024-10-11 20:59:58,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:59:58,848 INFO L225 Difference]: With dead ends: 394 [2024-10-11 20:59:58,848 INFO L226 Difference]: Without dead ends: 274 [2024-10-11 20:59:58,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:59:58,849 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 86 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:59:58,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 135 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:59:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-11 20:59:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2024-10-11 20:59:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 247 states have (on average 1.1093117408906883) internal successors, (274), 254 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 20:59:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 300 transitions. [2024-10-11 20:59:58,858 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 300 transitions. Word has length 45 [2024-10-11 20:59:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:59:58,859 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 300 transitions. [2024-10-11 20:59:58,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-11 20:59:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 300 transitions. [2024-10-11 20:59:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:59:58,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:59:58,859 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:59:58,879 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 20:59:59,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:59,064 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:59:59,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:59:59,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1171212445, now seen corresponding path program 2 times [2024-10-11 20:59:59,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:59:59,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95218005] [2024-10-11 20:59:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:59:59,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:59:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:59:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053218201] [2024-10-11 20:59:59,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:59:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:59:59,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:59:59,075 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 20:59:59,076 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 20:59:59,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:59:59,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:59:59,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 20:59:59,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:59:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:59:59,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:59:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:59:59,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:59:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95218005] [2024-10-11 20:59:59,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:59:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053218201] [2024-10-11 20:59:59,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053218201] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:59:59,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:59:59,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-11 20:59:59,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985630914] [2024-10-11 20:59:59,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 20:59:59,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:59:59,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:59:59,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:59:59,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:59:59,560 INFO L87 Difference]: Start difference. First operand 272 states and 300 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:00:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:00,045 INFO L93 Difference]: Finished difference Result 441 states and 506 transitions. [2024-10-11 21:00:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 21:00:00,045 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 64 [2024-10-11 21:00:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:00,046 INFO L225 Difference]: With dead ends: 441 [2024-10-11 21:00:00,046 INFO L226 Difference]: Without dead ends: 428 [2024-10-11 21:00:00,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:00:00,047 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 208 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:00,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 253 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:00:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-11 21:00:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 390. [2024-10-11 21:00:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 359 states have (on average 1.128133704735376) internal successors, (405), 366 states have internal predecessors, (405), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 21:00:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 443 transitions. [2024-10-11 21:00:00,063 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 443 transitions. Word has length 64 [2024-10-11 21:00:00,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:00,063 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 443 transitions. [2024-10-11 21:00:00,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:00:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 443 transitions. [2024-10-11 21:00:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 21:00:00,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:00,063 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:00,078 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 21:00:00,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:00,264 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:00,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash 397103473, now seen corresponding path program 1 times [2024-10-11 21:00:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:00,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643356761] [2024-10-11 21:00:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:00,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 21:00:00,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:00,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643356761] [2024-10-11 21:00:00,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643356761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076356529] [2024-10-11 21:00:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:00,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:00,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:00,331 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 21:00:00,335 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 21:00:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:00:00,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 21:00:00,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 21:00:00,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076356529] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:00,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:00,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-11 21:00:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773648098] [2024-10-11 21:00:00,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:00,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:00:00,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:00:00,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:00:00,475 INFO L87 Difference]: Start difference. First operand 390 states and 443 transitions. Second operand has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:00:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:00,608 INFO L93 Difference]: Finished difference Result 1011 states and 1242 transitions. [2024-10-11 21:00:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:00:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 76 [2024-10-11 21:00:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:00,611 INFO L225 Difference]: With dead ends: 1011 [2024-10-11 21:00:00,611 INFO L226 Difference]: Without dead ends: 1009 [2024-10-11 21:00:00,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:00:00,612 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 42 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:00,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 175 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:00:00,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-10-11 21:00:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 989. [2024-10-11 21:00:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 926 states have (on average 1.1339092872570193) internal successors, (1050), 931 states have internal predecessors, (1050), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-11 21:00:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1154 transitions. [2024-10-11 21:00:00,651 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1154 transitions. Word has length 76 [2024-10-11 21:00:00,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:00,651 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1154 transitions. [2024-10-11 21:00:00,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:00:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1154 transitions. [2024-10-11 21:00:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 21:00:00,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:00,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:00,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 21:00:00,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:00,853 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:00,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash 267410460, now seen corresponding path program 1 times [2024-10-11 21:00:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:00,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630784772] [2024-10-11 21:00:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:00,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 21:00:01,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630784772] [2024-10-11 21:00:01,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630784772] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588745999] [2024-10-11 21:00:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:01,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:01,015 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 21:00:01,016 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 21:00:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:01,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:00:01,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 21:00:01,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 21:00:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588745999] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:01,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:01,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-10-11 21:00:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969573265] [2024-10-11 21:00:01,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:01,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 21:00:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 21:00:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:00:01,290 INFO L87 Difference]: Start difference. First operand 989 states and 1154 transitions. Second operand has 16 states, 15 states have (on average 9.933333333333334) internal successors, (149), 16 states have internal predecessors, (149), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:00:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:01,797 INFO L93 Difference]: Finished difference Result 1612 states and 1865 transitions. [2024-10-11 21:00:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 21:00:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.933333333333334) internal successors, (149), 16 states have internal predecessors, (149), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 89 [2024-10-11 21:00:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:01,803 INFO L225 Difference]: With dead ends: 1612 [2024-10-11 21:00:01,803 INFO L226 Difference]: Without dead ends: 1594 [2024-10-11 21:00:01,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=272, Invalid=658, Unknown=0, NotChecked=0, Total=930 [2024-10-11 21:00:01,804 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 159 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:01,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 240 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:00:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2024-10-11 21:00:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1546. [2024-10-11 21:00:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1462 states have (on average 1.0957592339261286) internal successors, (1602), 1467 states have internal predecessors, (1602), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 21:00:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 1748 transitions. [2024-10-11 21:00:01,864 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 1748 transitions. Word has length 89 [2024-10-11 21:00:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:01,864 INFO L471 AbstractCegarLoop]: Abstraction has 1546 states and 1748 transitions. [2024-10-11 21:00:01,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.933333333333334) internal successors, (149), 16 states have internal predecessors, (149), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:00:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1748 transitions. [2024-10-11 21:00:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 21:00:01,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:01,865 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:01,878 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 21:00:02,065 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,SelfDestructingSolverStorable21 [2024-10-11 21:00:02,066 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:02,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash 475728776, now seen corresponding path program 1 times [2024-10-11 21:00:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123510138] [2024-10-11 21:00:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-11 21:00:02,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:02,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123510138] [2024-10-11 21:00:02,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123510138] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:02,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297885754] [2024-10-11 21:00:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:02,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:02,128 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 21:00:02,129 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 21:00:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:02,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:00:02,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 21:00:02,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 66 proven. 30 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 21:00:02,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297885754] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:02,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:02,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-10-11 21:00:02,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967424795] [2024-10-11 21:00:02,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:02,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:00:02,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:02,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:00:02,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:00:02,339 INFO L87 Difference]: Start difference. First operand 1546 states and 1748 transitions. Second operand has 10 states, 10 states have (on average 15.5) internal successors, (155), 10 states have internal predecessors, (155), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-10-11 21:00:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:02,715 INFO L93 Difference]: Finished difference Result 2412 states and 2761 transitions. [2024-10-11 21:00:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 21:00:02,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 10 states have internal predecessors, (155), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 102 [2024-10-11 21:00:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:02,721 INFO L225 Difference]: With dead ends: 2412 [2024-10-11 21:00:02,721 INFO L226 Difference]: Without dead ends: 1935 [2024-10-11 21:00:02,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 207 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:00:02,724 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 169 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:02,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 259 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:00:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2024-10-11 21:00:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1651. [2024-10-11 21:00:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1561 states have (on average 1.0928891736066624) internal successors, (1706), 1566 states have internal predecessors, (1706), 79 states have call successors, (79), 5 states have call predecessors, (79), 5 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-11 21:00:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 1864 transitions. [2024-10-11 21:00:02,785 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 1864 transitions. Word has length 102 [2024-10-11 21:00:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:02,785 INFO L471 AbstractCegarLoop]: Abstraction has 1651 states and 1864 transitions. [2024-10-11 21:00:02,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 10 states have internal predecessors, (155), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-10-11 21:00:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1864 transitions. [2024-10-11 21:00:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 21:00:02,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:02,786 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:02,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 21:00:02,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:02,990 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:02,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1669053778, now seen corresponding path program 1 times [2024-10-11 21:00:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:02,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228406118] [2024-10-11 21:00:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 21:00:03,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:03,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228406118] [2024-10-11 21:00:03,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228406118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123513768] [2024-10-11 21:00:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:03,057 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 21:00:03,059 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 21:00:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:00:03,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 21:00:03,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 21:00:03,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123513768] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:03,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:03,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 21:00:03,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55064024] [2024-10-11 21:00:03,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:03,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 21:00:03,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 21:00:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:00:03,289 INFO L87 Difference]: Start difference. First operand 1651 states and 1864 transitions. Second operand has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:03,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:03,476 INFO L93 Difference]: Finished difference Result 2400 states and 2755 transitions. [2024-10-11 21:00:03,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 21:00:03,477 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 102 [2024-10-11 21:00:03,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:03,483 INFO L225 Difference]: With dead ends: 2400 [2024-10-11 21:00:03,483 INFO L226 Difference]: Without dead ends: 2399 [2024-10-11 21:00:03,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 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 21:00:03,484 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 125 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:03,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 220 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:00:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2024-10-11 21:00:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 2351. [2024-10-11 21:00:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 2224 states have (on average 1.110611510791367) internal successors, (2470), 2229 states have internal predecessors, (2470), 116 states have call successors, (116), 5 states have call predecessors, (116), 5 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 21:00:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 2702 transitions. [2024-10-11 21:00:03,582 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 2702 transitions. Word has length 102 [2024-10-11 21:00:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:03,582 INFO L471 AbstractCegarLoop]: Abstraction has 2351 states and 2702 transitions. [2024-10-11 21:00:03,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2702 transitions. [2024-10-11 21:00:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 21:00:03,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:03,584 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:03,597 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 21:00:03,784 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,SelfDestructingSolverStorable23 [2024-10-11 21:00:03,784 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:03,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:03,785 INFO L85 PathProgramCache]: Analyzing trace with hash 952620954, now seen corresponding path program 1 times [2024-10-11 21:00:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:03,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263753295] [2024-10-11 21:00:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 21:00:03,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263753295] [2024-10-11 21:00:03,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263753295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086646708] [2024-10-11 21:00:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:03,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:03,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:03,896 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 21:00:03,897 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 21:00:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:03,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 21:00:03,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 21:00:04,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 21:00:04,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086646708] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:04,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:04,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-10-11 21:00:04,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602099663] [2024-10-11 21:00:04,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:04,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:00:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:00:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:00:04,206 INFO L87 Difference]: Start difference. First operand 2351 states and 2702 transitions. Second operand has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:04,612 INFO L93 Difference]: Finished difference Result 4572 states and 5354 transitions. [2024-10-11 21:00:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:00:04,613 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 133 [2024-10-11 21:00:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:04,621 INFO L225 Difference]: With dead ends: 4572 [2024-10-11 21:00:04,622 INFO L226 Difference]: Without dead ends: 3457 [2024-10-11 21:00:04,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 271 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-11 21:00:04,624 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 67 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:04,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 497 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:00:04,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2024-10-11 21:00:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 2619. [2024-10-11 21:00:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2478 states have (on average 1.1073446327683616) internal successors, (2744), 2483 states have internal predecessors, (2744), 130 states have call successors, (130), 5 states have call predecessors, (130), 5 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-11 21:00:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3004 transitions. [2024-10-11 21:00:04,746 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3004 transitions. Word has length 133 [2024-10-11 21:00:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:04,749 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 3004 transitions. [2024-10-11 21:00:04,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.583333333333334) internal successors, (175), 12 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3004 transitions. [2024-10-11 21:00:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 21:00:04,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:04,751 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:04,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:04,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:04,952 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:04,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:04,953 INFO L85 PathProgramCache]: Analyzing trace with hash -159059269, now seen corresponding path program 2 times [2024-10-11 21:00:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401721002] [2024-10-11 21:00:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 21:00:05,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:05,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401721002] [2024-10-11 21:00:05,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401721002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:05,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318578026] [2024-10-11 21:00:05,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:05,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:05,197 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 21:00:05,198 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 21:00:05,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:05,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:05,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 21:00:05,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:00:05,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 21:00:05,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318578026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:05,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:05,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 16] total 33 [2024-10-11 21:00:05,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212025909] [2024-10-11 21:00:05,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:05,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-11 21:00:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:05,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-11 21:00:05,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 21:00:05,666 INFO L87 Difference]: Start difference. First operand 2619 states and 3004 transitions. Second operand has 33 states, 33 states have (on average 7.96969696969697) internal successors, (263), 33 states have internal predecessors, (263), 15 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 15 states have call predecessors, (24), 15 states have call successors, (24) [2024-10-11 21:00:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:06,345 INFO L93 Difference]: Finished difference Result 9751 states and 11357 transitions. [2024-10-11 21:00:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-11 21:00:06,346 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 7.96969696969697) internal successors, (263), 33 states have internal predecessors, (263), 15 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 15 states have call predecessors, (24), 15 states have call successors, (24) Word has length 156 [2024-10-11 21:00:06,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:06,365 INFO L225 Difference]: With dead ends: 9751 [2024-10-11 21:00:06,365 INFO L226 Difference]: Without dead ends: 9743 [2024-10-11 21:00:06,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1084, Invalid=2338, Unknown=0, NotChecked=0, Total=3422 [2024-10-11 21:00:06,367 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 275 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:06,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 634 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:00:06,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9743 states. [2024-10-11 21:00:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9743 to 9666. [2024-10-11 21:00:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9666 states, 9173 states have (on average 1.087212471383408) internal successors, (9973), 9179 states have internal predecessors, (9973), 472 states have call successors, (472), 15 states have call predecessors, (472), 15 states have return successors, (472), 471 states have call predecessors, (472), 472 states have call successors, (472) [2024-10-11 21:00:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9666 states to 9666 states and 10917 transitions. [2024-10-11 21:00:06,767 INFO L78 Accepts]: Start accepts. Automaton has 9666 states and 10917 transitions. Word has length 156 [2024-10-11 21:00:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:06,768 INFO L471 AbstractCegarLoop]: Abstraction has 9666 states and 10917 transitions. [2024-10-11 21:00:06,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.96969696969697) internal successors, (263), 33 states have internal predecessors, (263), 15 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 15 states have call predecessors, (24), 15 states have call successors, (24) [2024-10-11 21:00:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 9666 states and 10917 transitions. [2024-10-11 21:00:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 21:00:06,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:06,770 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:06,783 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 21:00:06,970 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,SelfDestructingSolverStorable25 [2024-10-11 21:00:06,971 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:06,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash -159058851, now seen corresponding path program 1 times [2024-10-11 21:00:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:06,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073768578] [2024-10-11 21:00:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:06,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045802780] [2024-10-11 21:00:06,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:06,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:06,993 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 21:00:06,994 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 21:00:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:07,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 21:00:07,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 15 proven. 289 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-11 21:00:07,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:07,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:07,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073768578] [2024-10-11 21:00:07,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:07,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045802780] [2024-10-11 21:00:07,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045802780] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:07,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:07,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-10-11 21:00:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784674812] [2024-10-11 21:00:07,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:07,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 21:00:07,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 21:00:07,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-10-11 21:00:07,883 INFO L87 Difference]: Start difference. First operand 9666 states and 10917 transitions. Second operand has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 21:00:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:08,749 INFO L93 Difference]: Finished difference Result 10486 states and 11847 transitions. [2024-10-11 21:00:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 21:00:08,749 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 156 [2024-10-11 21:00:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:08,805 INFO L225 Difference]: With dead ends: 10486 [2024-10-11 21:00:08,805 INFO L226 Difference]: Without dead ends: 10482 [2024-10-11 21:00:08,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:00:08,808 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 83 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:08,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 702 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:00:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10482 states. [2024-10-11 21:00:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10482 to 9637. [2024-10-11 21:00:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9637 states, 9145 states have (on average 1.0870420995079277) internal successors, (9941), 9151 states have internal predecessors, (9941), 471 states have call successors, (471), 15 states have call predecessors, (471), 15 states have return successors, (471), 470 states have call predecessors, (471), 471 states have call successors, (471) [2024-10-11 21:00:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9637 states to 9637 states and 10883 transitions. [2024-10-11 21:00:09,245 INFO L78 Accepts]: Start accepts. Automaton has 9637 states and 10883 transitions. Word has length 156 [2024-10-11 21:00:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 9637 states and 10883 transitions. [2024-10-11 21:00:09,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.352941176470588) internal successors, (125), 18 states have internal predecessors, (125), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 21:00:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 9637 states and 10883 transitions. [2024-10-11 21:00:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 21:00:09,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:09,247 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:09,259 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 21:00:09,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 21:00:09,448 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:09,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2100327679, now seen corresponding path program 2 times [2024-10-11 21:00:09,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:09,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890242586] [2024-10-11 21:00:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:09,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737532922] [2024-10-11 21:00:09,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:09,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:09,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:09,471 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 21:00:09,471 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 21:00:09,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:09,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:09,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 21:00:09,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-10-11 21:00:09,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:10,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:10,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890242586] [2024-10-11 21:00:10,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:10,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737532922] [2024-10-11 21:00:10,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737532922] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:10,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:10,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 21:00:10,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055709344] [2024-10-11 21:00:10,357 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:10,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:00:10,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:10,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:00:10,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:00:10,358 INFO L87 Difference]: Start difference. First operand 9637 states and 10883 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:00:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:10,862 INFO L93 Difference]: Finished difference Result 10839 states and 12239 transitions. [2024-10-11 21:00:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 21:00:10,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 156 [2024-10-11 21:00:10,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:10,876 INFO L225 Difference]: With dead ends: 10839 [2024-10-11 21:00:10,876 INFO L226 Difference]: Without dead ends: 10835 [2024-10-11 21:00:10,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:00:10,878 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 32 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:10,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 361 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:00:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10835 states. [2024-10-11 21:00:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10835 to 10502. [2024-10-11 21:00:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10502 states, 9970 states have (on average 1.0865596790371113) internal successors, (10833), 9976 states have internal predecessors, (10833), 511 states have call successors, (511), 15 states have call predecessors, (511), 15 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2024-10-11 21:00:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10502 states to 10502 states and 11855 transitions. [2024-10-11 21:00:11,254 INFO L78 Accepts]: Start accepts. Automaton has 10502 states and 11855 transitions. Word has length 156 [2024-10-11 21:00:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:11,254 INFO L471 AbstractCegarLoop]: Abstraction has 10502 states and 11855 transitions. [2024-10-11 21:00:11,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 21:00:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10502 states and 11855 transitions. [2024-10-11 21:00:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 21:00:11,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:11,257 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:11,270 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 21:00:11,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 21:00:11,460 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:11,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:11,461 INFO L85 PathProgramCache]: Analyzing trace with hash 373877853, now seen corresponding path program 3 times [2024-10-11 21:00:11,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:11,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727072157] [2024-10-11 21:00:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:11,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303022889] [2024-10-11 21:00:11,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:00:11,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:11,482 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 21:00:11,483 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 21:00:11,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 21:00:11,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:11,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:00:11,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 131 proven. 8 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-11 21:00:11,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:11,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:11,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727072157] [2024-10-11 21:00:11,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:11,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303022889] [2024-10-11 21:00:11,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303022889] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:11,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:11,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-11 21:00:11,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28639583] [2024-10-11 21:00:11,804 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:11,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:00:11,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:11,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:00:11,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:00:11,806 INFO L87 Difference]: Start difference. First operand 10502 states and 11855 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:00:12,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:12,189 INFO L93 Difference]: Finished difference Result 11220 states and 12676 transitions. [2024-10-11 21:00:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:00:12,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 156 [2024-10-11 21:00:12,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:12,202 INFO L225 Difference]: With dead ends: 11220 [2024-10-11 21:00:12,202 INFO L226 Difference]: Without dead ends: 5816 [2024-10-11 21:00:12,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:00:12,214 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 19 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 125 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 21:00:12,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 125 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:00:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5816 states. [2024-10-11 21:00:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5816 to 5803. [2024-10-11 21:00:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5803 states, 5500 states have (on average 1.0869090909090908) internal successors, (5978), 5507 states have internal predecessors, (5978), 282 states have call successors, (282), 15 states have call predecessors, (282), 15 states have return successors, (282), 280 states have call predecessors, (282), 282 states have call successors, (282) [2024-10-11 21:00:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 6542 transitions. [2024-10-11 21:00:12,468 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 6542 transitions. Word has length 156 [2024-10-11 21:00:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:12,469 INFO L471 AbstractCegarLoop]: Abstraction has 5803 states and 6542 transitions. [2024-10-11 21:00:12,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 21:00:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 6542 transitions. [2024-10-11 21:00:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 21:00:12,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:12,472 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:12,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 21:00:12,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 21:00:12,673 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:12,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2050739889, now seen corresponding path program 2 times [2024-10-11 21:00:12,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:12,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389751331] [2024-10-11 21:00:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:12,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 21:00:12,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:12,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389751331] [2024-10-11 21:00:12,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389751331] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:12,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938651378] [2024-10-11 21:00:12,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:12,825 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 21:00:12,826 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 21:00:12,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:12,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:12,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:00:12,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 21:00:12,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 21:00:13,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938651378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:13,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:13,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-10-11 21:00:13,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440983342] [2024-10-11 21:00:13,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:13,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 21:00:13,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 21:00:13,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:00:13,165 INFO L87 Difference]: Start difference. First operand 5803 states and 6542 transitions. Second operand has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-10-11 21:00:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:13,521 INFO L93 Difference]: Finished difference Result 7547 states and 8712 transitions. [2024-10-11 21:00:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 21:00:13,521 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 168 [2024-10-11 21:00:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:13,531 INFO L225 Difference]: With dead ends: 7547 [2024-10-11 21:00:13,532 INFO L226 Difference]: Without dead ends: 7546 [2024-10-11 21:00:13,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:00:13,534 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 96 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:13,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 268 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:00:13,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7546 states. [2024-10-11 21:00:13,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7546 to 7494. [2024-10-11 21:00:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 7105 states have (on average 1.0997888810696692) internal successors, (7814), 7111 states have internal predecessors, (7814), 368 states have call successors, (368), 15 states have call predecessors, (368), 15 states have return successors, (368), 367 states have call predecessors, (368), 368 states have call successors, (368) [2024-10-11 21:00:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 8550 transitions. [2024-10-11 21:00:13,795 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 8550 transitions. Word has length 168 [2024-10-11 21:00:13,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:13,795 INFO L471 AbstractCegarLoop]: Abstraction has 7494 states and 8550 transitions. [2024-10-11 21:00:13,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-10-11 21:00:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 8550 transitions. [2024-10-11 21:00:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-11 21:00:13,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:13,798 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:13,810 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 21:00:13,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:13,999 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:13,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1993304336, now seen corresponding path program 3 times [2024-10-11 21:00:14,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:14,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747534819] [2024-10-11 21:00:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 116 proven. 285 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-11 21:00:14,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747534819] [2024-10-11 21:00:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747534819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526392588] [2024-10-11 21:00:14,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:00:14,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:14,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:14,143 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 21:00:14,145 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 21:00:14,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-11 21:00:14,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:14,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 21:00:14,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 299 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-11 21:00:14,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:14,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526392588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:14,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:00:14,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2024-10-11 21:00:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142325047] [2024-10-11 21:00:14,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:14,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 21:00:14,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 21:00:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-10-11 21:00:14,766 INFO L87 Difference]: Start difference. First operand 7494 states and 8550 transitions. Second operand has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-11 21:00:16,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:16,014 INFO L93 Difference]: Finished difference Result 12555 states and 14509 transitions. [2024-10-11 21:00:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-11 21:00:16,015 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 179 [2024-10-11 21:00:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:16,029 INFO L225 Difference]: With dead ends: 12555 [2024-10-11 21:00:16,029 INFO L226 Difference]: Without dead ends: 9410 [2024-10-11 21:00:16,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=1538, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 21:00:16,035 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 342 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:16,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1196 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:00:16,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9410 states. [2024-10-11 21:00:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9410 to 7727. [2024-10-11 21:00:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7727 states, 7321 states have (on average 1.0947957929244638) internal successors, (8015), 7327 states have internal predecessors, (8015), 385 states have call successors, (385), 15 states have call predecessors, (385), 15 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2024-10-11 21:00:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 8785 transitions. [2024-10-11 21:00:16,410 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 8785 transitions. Word has length 179 [2024-10-11 21:00:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:16,410 INFO L471 AbstractCegarLoop]: Abstraction has 7727 states and 8785 transitions. [2024-10-11 21:00:16,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-11 21:00:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 8785 transitions. [2024-10-11 21:00:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-11 21:00:16,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:16,413 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:16,426 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 21:00:16,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:16,614 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:16,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash 440755932, now seen corresponding path program 2 times [2024-10-11 21:00:16,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:16,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782468804] [2024-10-11 21:00:16,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 21:00:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782468804] [2024-10-11 21:00:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782468804] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050853879] [2024-10-11 21:00:16,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:16,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:16,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:16,858 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 21:00:16,859 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 21:00:16,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:16,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:16,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:00:16,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 21:00:17,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-11 21:00:17,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050853879] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:17,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:17,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2024-10-11 21:00:17,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589231969] [2024-10-11 21:00:17,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:17,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 21:00:17,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:17,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 21:00:17,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-10-11 21:00:17,383 INFO L87 Difference]: Start difference. First operand 7727 states and 8785 transitions. Second operand has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-10-11 21:00:18,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:18,337 INFO L93 Difference]: Finished difference Result 8955 states and 10220 transitions. [2024-10-11 21:00:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-11 21:00:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 181 [2024-10-11 21:00:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:18,349 INFO L225 Difference]: With dead ends: 8955 [2024-10-11 21:00:18,349 INFO L226 Difference]: Without dead ends: 8949 [2024-10-11 21:00:18,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1046, Invalid=2260, Unknown=0, NotChecked=0, Total=3306 [2024-10-11 21:00:18,351 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 236 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:18,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 275 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:00:18,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8949 states. [2024-10-11 21:00:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8949 to 8857. [2024-10-11 21:00:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8857 states, 8403 states have (on average 1.0700940140426038) internal successors, (8992), 8409 states have internal predecessors, (8992), 433 states have call successors, (433), 15 states have call predecessors, (433), 15 states have return successors, (433), 432 states have call predecessors, (433), 433 states have call successors, (433) [2024-10-11 21:00:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 9858 transitions. [2024-10-11 21:00:18,650 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 9858 transitions. Word has length 181 [2024-10-11 21:00:18,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:18,650 INFO L471 AbstractCegarLoop]: Abstraction has 8857 states and 9858 transitions. [2024-10-11 21:00:18,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-10-11 21:00:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 9858 transitions. [2024-10-11 21:00:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 21:00:18,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:18,653 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:18,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:18,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:18,857 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:18,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash 145755177, now seen corresponding path program 4 times [2024-10-11 21:00:18,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:18,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335242258] [2024-10-11 21:00:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:18,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220579225] [2024-10-11 21:00:18,878 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:00:18,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:18,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:18,879 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 21:00:18,880 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 21:00:18,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:00:18,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:18,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 21:00:18,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 31 proven. 537 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-11 21:00:19,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:20,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335242258] [2024-10-11 21:00:20,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220579225] [2024-10-11 21:00:20,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220579225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:20,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:20,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-10-11 21:00:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314886508] [2024-10-11 21:00:20,074 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:20,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 21:00:20,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:20,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 21:00:20,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-10-11 21:00:20,075 INFO L87 Difference]: Start difference. First operand 8857 states and 9858 transitions. Second operand has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 20 states have internal predecessors, (161), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-11 21:00:21,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:21,064 INFO L93 Difference]: Finished difference Result 9511 states and 10589 transitions. [2024-10-11 21:00:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:00:21,065 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 20 states have internal predecessors, (161), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 202 [2024-10-11 21:00:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:21,075 INFO L225 Difference]: With dead ends: 9511 [2024-10-11 21:00:21,076 INFO L226 Difference]: Without dead ends: 9507 [2024-10-11 21:00:21,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:00:21,078 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 62 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:21,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 851 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:00:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9507 states. [2024-10-11 21:00:21,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9507 to 8917. [2024-10-11 21:00:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8917 states, 8463 states have (on average 1.0694789081885856) internal successors, (9051), 8469 states have internal predecessors, (9051), 433 states have call successors, (433), 15 states have call predecessors, (433), 15 states have return successors, (433), 432 states have call predecessors, (433), 433 states have call successors, (433) [2024-10-11 21:00:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8917 states to 8917 states and 9917 transitions. [2024-10-11 21:00:21,418 INFO L78 Accepts]: Start accepts. Automaton has 8917 states and 9917 transitions. Word has length 202 [2024-10-11 21:00:21,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:21,419 INFO L471 AbstractCegarLoop]: Abstraction has 8917 states and 9917 transitions. [2024-10-11 21:00:21,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 20 states have internal predecessors, (161), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-11 21:00:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8917 states and 9917 transitions. [2024-10-11 21:00:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 21:00:21,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:21,421 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:21,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:21,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:21,626 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:21,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:21,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1333302805, now seen corresponding path program 5 times [2024-10-11 21:00:21,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:21,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642333349] [2024-10-11 21:00:21,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:21,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:21,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246908394] [2024-10-11 21:00:21,650 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:00:21,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:21,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:21,651 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 21:00:21,652 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 21:00:21,720 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-11 21:00:21,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:21,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-11 21:00:21,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 18 proven. 522 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-10-11 21:00:22,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:23,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:23,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642333349] [2024-10-11 21:00:23,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:23,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246908394] [2024-10-11 21:00:23,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246908394] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:23,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:23,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2024-10-11 21:00:23,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644428780] [2024-10-11 21:00:23,259 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:23,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-11 21:00:23,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:23,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-11 21:00:23,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1033, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 21:00:23,260 INFO L87 Difference]: Start difference. First operand 8917 states and 9917 transitions. Second operand has 31 states, 29 states have (on average 5.655172413793103) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:00:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:26,097 INFO L93 Difference]: Finished difference Result 9571 states and 10705 transitions. [2024-10-11 21:00:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-11 21:00:26,097 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 5.655172413793103) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 202 [2024-10-11 21:00:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:26,107 INFO L225 Difference]: With dead ends: 9571 [2024-10-11 21:00:26,107 INFO L226 Difference]: Without dead ends: 9570 [2024-10-11 21:00:26,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2542 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1249, Invalid=6941, Unknown=0, NotChecked=0, Total=8190 [2024-10-11 21:00:26,111 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 228 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:26,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 668 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:00:26,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9570 states. [2024-10-11 21:00:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9570 to 8917. [2024-10-11 21:00:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8917 states, 8463 states have (on average 1.0693607467801016) internal successors, (9050), 8469 states have internal predecessors, (9050), 433 states have call successors, (433), 15 states have call predecessors, (433), 15 states have return successors, (433), 432 states have call predecessors, (433), 433 states have call successors, (433) [2024-10-11 21:00:26,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8917 states to 8917 states and 9916 transitions. [2024-10-11 21:00:26,461 INFO L78 Accepts]: Start accepts. Automaton has 8917 states and 9916 transitions. Word has length 202 [2024-10-11 21:00:26,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:26,462 INFO L471 AbstractCegarLoop]: Abstraction has 8917 states and 9916 transitions. [2024-10-11 21:00:26,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 5.655172413793103) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:00:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 8917 states and 9916 transitions. [2024-10-11 21:00:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-11 21:00:26,465 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:26,466 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:26,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:26,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:26,667 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:26,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -773358757, now seen corresponding path program 2 times [2024-10-11 21:00:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:26,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946713099] [2024-10-11 21:00:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:00:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 21:00:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 21:00:26,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946713099] [2024-10-11 21:00:26,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946713099] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123154682] [2024-10-11 21:00:26,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:26,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:26,836 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 21:00:26,837 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 21:00:26,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:26,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:26,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 21:00:26,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 21:00:27,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 21:00:27,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123154682] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:27,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:27,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-11 21:00:27,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485778360] [2024-10-11 21:00:27,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:27,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 21:00:27,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:27,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 21:00:27,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-11 21:00:27,259 INFO L87 Difference]: Start difference. First operand 8917 states and 9916 transitions. Second operand has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-10-11 21:00:27,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:27,828 INFO L93 Difference]: Finished difference Result 12927 states and 14688 transitions. [2024-10-11 21:00:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 21:00:27,828 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 217 [2024-10-11 21:00:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:27,841 INFO L225 Difference]: With dead ends: 12927 [2024-10-11 21:00:27,842 INFO L226 Difference]: Without dead ends: 12926 [2024-10-11 21:00:27,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-11 21:00:27,845 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 558 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:27,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 350 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:00:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12926 states. [2024-10-11 21:00:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12926 to 12808. [2024-10-11 21:00:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12808 states, 12149 states have (on average 1.0924355914067) internal successors, (13272), 12154 states have internal predecessors, (13272), 638 states have call successors, (638), 15 states have call predecessors, (638), 15 states have return successors, (638), 638 states have call predecessors, (638), 638 states have call successors, (638) [2024-10-11 21:00:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12808 states to 12808 states and 14548 transitions. [2024-10-11 21:00:28,327 INFO L78 Accepts]: Start accepts. Automaton has 12808 states and 14548 transitions. Word has length 217 [2024-10-11 21:00:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:28,328 INFO L471 AbstractCegarLoop]: Abstraction has 12808 states and 14548 transitions. [2024-10-11 21:00:28,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-10-11 21:00:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12808 states and 14548 transitions. [2024-10-11 21:00:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 21:00:28,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:28,331 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:28,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:28,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:28,531 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:28,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1559611088, now seen corresponding path program 6 times [2024-10-11 21:00:28,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:28,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818625702] [2024-10-11 21:00:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:28,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:00:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 21:00:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-11 21:00:28,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:28,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818625702] [2024-10-11 21:00:28,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818625702] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:28,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332255934] [2024-10-11 21:00:28,699 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 21:00:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:28,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:28,700 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 21:00:28,701 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 21:00:28,763 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-10-11 21:00:28,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:28,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 21:00:28,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 508 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-10-11 21:00:29,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:29,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332255934] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:29,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:00:29,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-10-11 21:00:29,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300980745] [2024-10-11 21:00:29,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:29,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 21:00:29,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:29,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 21:00:29,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-10-11 21:00:29,504 INFO L87 Difference]: Start difference. First operand 12808 states and 14548 transitions. Second operand has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-10-11 21:00:30,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:30,572 INFO L93 Difference]: Finished difference Result 23655 states and 27419 transitions. [2024-10-11 21:00:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 21:00:30,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 225 [2024-10-11 21:00:30,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:30,596 INFO L225 Difference]: With dead ends: 23655 [2024-10-11 21:00:30,596 INFO L226 Difference]: Without dead ends: 16736 [2024-10-11 21:00:30,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=909, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 21:00:30,613 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 231 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:30,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 928 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:00:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2024-10-11 21:00:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 12768. [2024-10-11 21:00:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12768 states, 12099 states have (on average 1.0980246301347218) internal successors, (13285), 12104 states have internal predecessors, (13285), 648 states have call successors, (648), 15 states have call predecessors, (648), 15 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2024-10-11 21:00:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12768 states to 12768 states and 14581 transitions. [2024-10-11 21:00:31,294 INFO L78 Accepts]: Start accepts. Automaton has 12768 states and 14581 transitions. Word has length 225 [2024-10-11 21:00:31,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:31,294 INFO L471 AbstractCegarLoop]: Abstraction has 12768 states and 14581 transitions. [2024-10-11 21:00:31,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-10-11 21:00:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12768 states and 14581 transitions. [2024-10-11 21:00:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 21:00:31,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:31,297 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:31,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:31,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:31,497 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:31,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:31,498 INFO L85 PathProgramCache]: Analyzing trace with hash 697380550, now seen corresponding path program 7 times [2024-10-11 21:00:31,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:31,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704175440] [2024-10-11 21:00:31,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:31,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:31,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835859980] [2024-10-11 21:00:31,519 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 21:00:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:31,521 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 21:00:31,521 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 21:00:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:31,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-11 21:00:31,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 36 proven. 672 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-11 21:00:32,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:33,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:33,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704175440] [2024-10-11 21:00:33,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:33,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835859980] [2024-10-11 21:00:33,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835859980] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:33,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:33,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2024-10-11 21:00:33,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108322674] [2024-10-11 21:00:33,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:33,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 21:00:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 21:00:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2024-10-11 21:00:33,037 INFO L87 Difference]: Start difference. First operand 12768 states and 14581 transitions. Second operand has 26 states, 25 states have (on average 7.16) internal successors, (179), 26 states have internal predecessors, (179), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:34,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:34,348 INFO L93 Difference]: Finished difference Result 13195 states and 15059 transitions. [2024-10-11 21:00:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 21:00:34,349 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.16) internal successors, (179), 26 states have internal predecessors, (179), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 225 [2024-10-11 21:00:34,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:34,364 INFO L225 Difference]: With dead ends: 13195 [2024-10-11 21:00:34,364 INFO L226 Difference]: Without dead ends: 13194 [2024-10-11 21:00:34,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=294, Invalid=1512, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 21:00:34,368 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 173 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:34,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 867 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 21:00:34,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13194 states. [2024-10-11 21:00:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13194 to 12768. [2024-10-11 21:00:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12768 states, 12099 states have (on average 1.0979419786759237) internal successors, (13284), 12104 states have internal predecessors, (13284), 648 states have call successors, (648), 15 states have call predecessors, (648), 15 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2024-10-11 21:00:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12768 states to 12768 states and 14580 transitions. [2024-10-11 21:00:34,895 INFO L78 Accepts]: Start accepts. Automaton has 12768 states and 14580 transitions. Word has length 225 [2024-10-11 21:00:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:34,896 INFO L471 AbstractCegarLoop]: Abstraction has 12768 states and 14580 transitions. [2024-10-11 21:00:34,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.16) internal successors, (179), 26 states have internal predecessors, (179), 10 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-10-11 21:00:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12768 states and 14580 transitions. [2024-10-11 21:00:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 21:00:34,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:34,898 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:34,911 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 21:00:35,102 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,SelfDestructingSolverStorable36 [2024-10-11 21:00:35,103 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:35,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash 470995812, now seen corresponding path program 8 times [2024-10-11 21:00:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:35,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102636521] [2024-10-11 21:00:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:00:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:00:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:00:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:00:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:00:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:00:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:00:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:00:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:00:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:00:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 21:00:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 183 proven. 373 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-11 21:00:35,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:35,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102636521] [2024-10-11 21:00:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102636521] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:35,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144292360] [2024-10-11 21:00:35,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:35,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:35,219 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 21:00:35,220 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 21:00:35,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:35,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:35,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 21:00:35,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 315 proven. 241 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-11 21:00:35,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 115 proven. 441 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-11 21:00:35,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144292360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:00:35,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:00:35,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-10-11 21:00:35,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954571807] [2024-10-11 21:00:35,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:35,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 21:00:35,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:35,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 21:00:35,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:00:35,601 INFO L87 Difference]: Start difference. First operand 12768 states and 14580 transitions. Second operand has 13 states, 13 states have (on average 16.53846153846154) internal successors, (215), 13 states have internal predecessors, (215), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-11 21:00:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:36,097 INFO L93 Difference]: Finished difference Result 15953 states and 18266 transitions. [2024-10-11 21:00:36,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:00:36,098 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.53846153846154) internal successors, (215), 13 states have internal predecessors, (215), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 225 [2024-10-11 21:00:36,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:36,113 INFO L225 Difference]: With dead ends: 15953 [2024-10-11 21:00:36,113 INFO L226 Difference]: Without dead ends: 12314 [2024-10-11 21:00:36,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 462 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:00:36,121 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 56 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:36,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 245 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:00:36,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12314 states. [2024-10-11 21:00:36,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12314 to 11527. [2024-10-11 21:00:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11527 states, 10917 states have (on average 1.1057066959787487) internal successors, (12071), 10922 states have internal predecessors, (12071), 589 states have call successors, (589), 15 states have call predecessors, (589), 15 states have return successors, (589), 589 states have call predecessors, (589), 589 states have call successors, (589) [2024-10-11 21:00:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11527 states to 11527 states and 13249 transitions. [2024-10-11 21:00:36,583 INFO L78 Accepts]: Start accepts. Automaton has 11527 states and 13249 transitions. Word has length 225 [2024-10-11 21:00:36,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:36,583 INFO L471 AbstractCegarLoop]: Abstraction has 11527 states and 13249 transitions. [2024-10-11 21:00:36,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.53846153846154) internal successors, (215), 13 states have internal predecessors, (215), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-10-11 21:00:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 11527 states and 13249 transitions. [2024-10-11 21:00:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 21:00:36,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:36,586 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:36,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 21:00:36,786 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,SelfDestructingSolverStorable37 [2024-10-11 21:00:36,787 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:36,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash 992403485, now seen corresponding path program 9 times [2024-10-11 21:00:36,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:36,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947028777] [2024-10-11 21:00:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:36,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75615111] [2024-10-11 21:00:36,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:00:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:36,813 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 21:00:36,815 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 21:00:36,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-11 21:00:36,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:36,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:00:36,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 677 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-10-11 21:00:37,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:37,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:37,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947028777] [2024-10-11 21:00:37,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:37,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75615111] [2024-10-11 21:00:37,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75615111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:37,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:37,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 21:00:37,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922897275] [2024-10-11 21:00:37,406 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:37,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:00:37,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:37,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:00:37,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:00:37,407 INFO L87 Difference]: Start difference. First operand 11527 states and 13249 transitions. Second operand has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 21:00:38,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:38,259 INFO L93 Difference]: Finished difference Result 18490 states and 21506 transitions. [2024-10-11 21:00:38,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:00:38,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 248 [2024-10-11 21:00:38,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:38,273 INFO L225 Difference]: With dead ends: 18490 [2024-10-11 21:00:38,273 INFO L226 Difference]: Without dead ends: 11723 [2024-10-11 21:00:38,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:00:38,283 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 128 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:38,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 753 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:00:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11723 states. [2024-10-11 21:00:38,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11723 to 11362. [2024-10-11 21:00:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11362 states, 10761 states have (on average 1.106309822507202) internal successors, (11905), 10766 states have internal predecessors, (11905), 580 states have call successors, (580), 15 states have call predecessors, (580), 15 states have return successors, (580), 580 states have call predecessors, (580), 580 states have call successors, (580) [2024-10-11 21:00:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11362 states to 11362 states and 13065 transitions. [2024-10-11 21:00:38,920 INFO L78 Accepts]: Start accepts. Automaton has 11362 states and 13065 transitions. Word has length 248 [2024-10-11 21:00:38,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:38,921 INFO L471 AbstractCegarLoop]: Abstraction has 11362 states and 13065 transitions. [2024-10-11 21:00:38,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-10-11 21:00:38,921 INFO L276 IsEmpty]: Start isEmpty. Operand 11362 states and 13065 transitions. [2024-10-11 21:00:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 21:00:38,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:38,923 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:38,937 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 21:00:39,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:39,125 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:39,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:39,125 INFO L85 PathProgramCache]: Analyzing trace with hash 992886955, now seen corresponding path program 10 times [2024-10-11 21:00:39,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:39,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734152598] [2024-10-11 21:00:39,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:39,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:39,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716864277] [2024-10-11 21:00:39,155 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 21:00:39,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:39,157 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 21:00:39,158 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 21:00:39,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 21:00:39,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:39,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-11 21:00:39,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 25 proven. 820 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-10-11 21:00:40,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:40,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:40,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734152598] [2024-10-11 21:00:40,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:40,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716864277] [2024-10-11 21:00:40,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716864277] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:40,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:40,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-10-11 21:00:40,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662081526] [2024-10-11 21:00:40,900 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:40,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-11 21:00:40,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-11 21:00:40,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1054, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 21:00:40,901 INFO L87 Difference]: Start difference. First operand 11362 states and 13065 transitions. Second operand has 33 states, 31 states have (on average 6.451612903225806) internal successors, (200), 31 states have internal predecessors, (200), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:00:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:42,460 INFO L93 Difference]: Finished difference Result 11846 states and 13609 transitions. [2024-10-11 21:00:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-11 21:00:42,460 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 6.451612903225806) internal successors, (200), 31 states have internal predecessors, (200), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 248 [2024-10-11 21:00:42,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:42,473 INFO L225 Difference]: With dead ends: 11846 [2024-10-11 21:00:42,473 INFO L226 Difference]: Without dead ends: 11845 [2024-10-11 21:00:42,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1371 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=982, Invalid=3848, Unknown=0, NotChecked=0, Total=4830 [2024-10-11 21:00:42,476 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 254 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:42,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 651 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:00:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11845 states. [2024-10-11 21:00:42,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11845 to 11362. [2024-10-11 21:00:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11362 states, 10761 states have (on average 1.1062168943406747) internal successors, (11904), 10766 states have internal predecessors, (11904), 580 states have call successors, (580), 15 states have call predecessors, (580), 15 states have return successors, (580), 580 states have call predecessors, (580), 580 states have call successors, (580) [2024-10-11 21:00:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11362 states to 11362 states and 13064 transitions. [2024-10-11 21:00:42,881 INFO L78 Accepts]: Start accepts. Automaton has 11362 states and 13064 transitions. Word has length 248 [2024-10-11 21:00:42,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:42,882 INFO L471 AbstractCegarLoop]: Abstraction has 11362 states and 13064 transitions. [2024-10-11 21:00:42,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 6.451612903225806) internal successors, (200), 31 states have internal predecessors, (200), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 21:00:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 11362 states and 13064 transitions. [2024-10-11 21:00:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 21:00:42,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:42,885 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:42,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-11 21:00:43,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 21:00:43,086 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:43,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:43,086 INFO L85 PathProgramCache]: Analyzing trace with hash 870882025, now seen corresponding path program 11 times [2024-10-11 21:00:43,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:43,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539134592] [2024-10-11 21:00:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:43,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:43,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310957086] [2024-10-11 21:00:43,112 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 21:00:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:43,113 INFO L229 MonitoredProcess]: Starting monitored process 36 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 21:00:43,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 21:00:43,199 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-10-11 21:00:43,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:43,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-11 21:00:43,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 18 proven. 1261 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-10-11 21:00:43,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:44,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:44,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539134592] [2024-10-11 21:00:44,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:44,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310957086] [2024-10-11 21:00:44,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310957086] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:44,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:44,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2024-10-11 21:00:44,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423809798] [2024-10-11 21:00:44,296 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:44,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 21:00:44,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:44,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 21:00:44,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-10-11 21:00:44,297 INFO L87 Difference]: Start difference. First operand 11362 states and 13064 transitions. Second operand has 26 states, 25 states have (on average 9.32) internal successors, (233), 26 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 21:00:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:45,542 INFO L93 Difference]: Finished difference Result 18092 states and 21075 transitions. [2024-10-11 21:00:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 21:00:45,543 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.32) internal successors, (233), 26 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 294 [2024-10-11 21:00:45,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:45,555 INFO L225 Difference]: With dead ends: 18092 [2024-10-11 21:00:45,555 INFO L226 Difference]: Without dead ends: 11450 [2024-10-11 21:00:45,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:00:45,563 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 27 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 3403 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:45,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1662 Invalid, 3406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3403 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 21:00:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2024-10-11 21:00:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 11157. [2024-10-11 21:00:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11157 states, 10565 states have (on average 1.107524846190251) internal successors, (11701), 10570 states have internal predecessors, (11701), 571 states have call successors, (571), 15 states have call predecessors, (571), 15 states have return successors, (571), 571 states have call predecessors, (571), 571 states have call successors, (571) [2024-10-11 21:00:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 12843 transitions. [2024-10-11 21:00:45,963 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 12843 transitions. Word has length 294 [2024-10-11 21:00:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:45,964 INFO L471 AbstractCegarLoop]: Abstraction has 11157 states and 12843 transitions. [2024-10-11 21:00:45,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.32) internal successors, (233), 26 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 21:00:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 12843 transitions. [2024-10-11 21:00:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 21:00:45,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:45,967 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:45,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:46,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:46,167 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:46,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1771351713, now seen corresponding path program 12 times [2024-10-11 21:00:46,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:46,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019485005] [2024-10-11 21:00:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:46,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269484906] [2024-10-11 21:00:46,195 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 21:00:46,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:46,196 INFO L229 MonitoredProcess]: Starting monitored process 37 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 21:00:46,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 21:00:46,320 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-10-11 21:00:46,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:46,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-11 21:00:46,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 60 proven. 1185 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-11 21:00:47,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019485005] [2024-10-11 21:00:48,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269484906] [2024-10-11 21:00:48,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269484906] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:48,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:48,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2024-10-11 21:00:48,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154626461] [2024-10-11 21:00:48,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:48,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-11 21:00:48,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:48,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-11 21:00:48,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1056, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 21:00:48,346 INFO L87 Difference]: Start difference. First operand 11157 states and 12843 transitions. Second operand has 31 states, 30 states have (on average 6.666666666666667) internal successors, (200), 30 states have internal predecessors, (200), 11 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (13), 12 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-11 21:00:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:52,920 INFO L93 Difference]: Finished difference Result 11399 states and 13122 transitions. [2024-10-11 21:00:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-11 21:00:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 6.666666666666667) internal successors, (200), 30 states have internal predecessors, (200), 11 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (13), 12 states have call predecessors, (13), 11 states have call successors, (13) Word has length 294 [2024-10-11 21:00:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:52,933 INFO L225 Difference]: With dead ends: 11399 [2024-10-11 21:00:52,934 INFO L226 Difference]: Without dead ends: 11398 [2024-10-11 21:00:52,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=372, Invalid=2708, Unknown=0, NotChecked=0, Total=3080 [2024-10-11 21:00:52,937 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 238 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:52,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1603 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4898 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 21:00:52,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2024-10-11 21:00:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 11157. [2024-10-11 21:00:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11157 states, 10565 states have (on average 1.1074301940369145) internal successors, (11700), 10570 states have internal predecessors, (11700), 571 states have call successors, (571), 15 states have call predecessors, (571), 15 states have return successors, (571), 571 states have call predecessors, (571), 571 states have call successors, (571) [2024-10-11 21:00:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 12842 transitions. [2024-10-11 21:00:53,370 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 12842 transitions. Word has length 294 [2024-10-11 21:00:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:53,370 INFO L471 AbstractCegarLoop]: Abstraction has 11157 states and 12842 transitions. [2024-10-11 21:00:53,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 6.666666666666667) internal successors, (200), 30 states have internal predecessors, (200), 11 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (13), 12 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-11 21:00:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 12842 transitions. [2024-10-11 21:00:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 21:00:53,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:53,373 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:53,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-11 21:00:53,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:53,574 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:53,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:53,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2014259715, now seen corresponding path program 13 times [2024-10-11 21:00:53,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:53,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755221883] [2024-10-11 21:00:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:53,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:53,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419748997] [2024-10-11 21:00:53,606 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-11 21:00:53,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:53,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:53,608 INFO L229 MonitoredProcess]: Starting monitored process 38 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 21:00:53,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-11 21:00:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:00:53,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-11 21:00:53,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 63 proven. 1216 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-11 21:00:54,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:55,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:55,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755221883] [2024-10-11 21:00:55,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:55,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419748997] [2024-10-11 21:00:55,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419748997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:55,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:55,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2024-10-11 21:00:55,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824729793] [2024-10-11 21:00:55,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:55,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-11 21:00:55,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-11 21:00:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1140, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 21:00:55,447 INFO L87 Difference]: Start difference. First operand 11157 states and 12842 transitions. Second operand has 34 states, 33 states have (on average 7.0606060606060606) internal successors, (233), 34 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 21:00:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:56,899 INFO L93 Difference]: Finished difference Result 11707 states and 13465 transitions. [2024-10-11 21:00:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-11 21:00:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.0606060606060606) internal successors, (233), 34 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 294 [2024-10-11 21:00:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:56,911 INFO L225 Difference]: With dead ends: 11707 [2024-10-11 21:00:56,911 INFO L226 Difference]: Without dead ends: 11706 [2024-10-11 21:00:56,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=593, Invalid=3067, Unknown=0, NotChecked=0, Total=3660 [2024-10-11 21:00:56,914 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 221 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:56,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 746 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:00:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11706 states. [2024-10-11 21:00:57,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11706 to 11157. [2024-10-11 21:00:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11157 states, 10565 states have (on average 1.1072408897302413) internal successors, (11698), 10570 states have internal predecessors, (11698), 571 states have call successors, (571), 15 states have call predecessors, (571), 15 states have return successors, (571), 571 states have call predecessors, (571), 571 states have call successors, (571) [2024-10-11 21:00:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 12840 transitions. [2024-10-11 21:00:57,325 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 12840 transitions. Word has length 294 [2024-10-11 21:00:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:00:57,326 INFO L471 AbstractCegarLoop]: Abstraction has 11157 states and 12840 transitions. [2024-10-11 21:00:57,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.0606060606060606) internal successors, (233), 34 states have internal predecessors, (233), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-10-11 21:00:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 12840 transitions. [2024-10-11 21:00:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 21:00:57,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:00:57,329 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:00:57,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-11 21:00:57,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 21:00:57,529 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:00:57,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:00:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash -451095359, now seen corresponding path program 14 times [2024-10-11 21:00:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:00:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259832235] [2024-10-11 21:00:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:00:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:00:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:00:57,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823729027] [2024-10-11 21:00:57,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:00:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:00:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:00:57,558 INFO L229 MonitoredProcess]: Starting monitored process 39 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 21:00:57,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-11 21:00:57,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:00:57,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:00:57,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 21:00:57,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:00:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-10-11 21:00:58,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:00:58,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:00:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259832235] [2024-10-11 21:00:58,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:00:58,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823729027] [2024-10-11 21:00:58,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823729027] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:00:58,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:00:58,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 21:00:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609667028] [2024-10-11 21:00:58,853 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:00:58,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 21:00:58,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:00:58,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 21:00:58,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:00:58,854 INFO L87 Difference]: Start difference. First operand 11157 states and 12840 transitions. Second operand has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:00:59,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:00:59,627 INFO L93 Difference]: Finished difference Result 12129 states and 13948 transitions. [2024-10-11 21:00:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:00:59,627 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 294 [2024-10-11 21:00:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:00:59,640 INFO L225 Difference]: With dead ends: 12129 [2024-10-11 21:00:59,640 INFO L226 Difference]: Without dead ends: 12128 [2024-10-11 21:00:59,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:00:59,643 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 47 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:00:59,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 937 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:00:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12128 states. [2024-10-11 21:01:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12128 to 11157. [2024-10-11 21:01:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11157 states, 10565 states have (on average 1.1071462375769048) internal successors, (11697), 10570 states have internal predecessors, (11697), 571 states have call successors, (571), 15 states have call predecessors, (571), 15 states have return successors, (571), 571 states have call predecessors, (571), 571 states have call successors, (571) [2024-10-11 21:01:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 12839 transitions. [2024-10-11 21:01:00,060 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 12839 transitions. Word has length 294 [2024-10-11 21:01:00,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:00,061 INFO L471 AbstractCegarLoop]: Abstraction has 11157 states and 12839 transitions. [2024-10-11 21:01:00,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-10-11 21:01:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 12839 transitions. [2024-10-11 21:01:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-11 21:01:00,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:00,065 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:00,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:00,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:00,266 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:01:00,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:00,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1723584068, now seen corresponding path program 15 times [2024-10-11 21:01:00,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:00,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460812300] [2024-10-11 21:01:00,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:01:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:01:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:01:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:01:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:01:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:01:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:01:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:01:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:01:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 21:01:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:01:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 21:01:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 21:01:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 21:01:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 374 proven. 1098 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-10-11 21:01:00,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460812300] [2024-10-11 21:01:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460812300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:00,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036481743] [2024-10-11 21:01:00,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:01:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:00,539 INFO L229 MonitoredProcess]: Starting monitored process 40 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 21:01:00,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-11 21:01:00,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-11 21:01:00,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:01:00,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:01:00,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 0 proven. 1097 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-10-11 21:01:01,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:04,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036481743] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:04,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:01:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 25 [2024-10-11 21:01:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953925966] [2024-10-11 21:01:04,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:04,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 21:01:04,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:04,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 21:01:04,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=644, Unknown=1, NotChecked=0, Total=756 [2024-10-11 21:01:04,593 INFO L87 Difference]: Start difference. First operand 11157 states and 12839 transitions. Second operand has 25 states, 25 states have (on average 15.44) internal successors, (386), 25 states have internal predecessors, (386), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-11 21:01:06,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:01:06,833 INFO L93 Difference]: Finished difference Result 22580 states and 26451 transitions. [2024-10-11 21:01:06,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-11 21:01:06,834 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 15.44) internal successors, (386), 25 states have internal predecessors, (386), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 317 [2024-10-11 21:01:06,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:01:06,851 INFO L225 Difference]: With dead ends: 22580 [2024-10-11 21:01:06,851 INFO L226 Difference]: Without dead ends: 15973 [2024-10-11 21:01:06,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=457, Invalid=3202, Unknown=1, NotChecked=0, Total=3660 [2024-10-11 21:01:06,861 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 495 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 4666 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 4684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:01:06,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2805 Invalid, 4684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 4666 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 21:01:06,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15973 states. [2024-10-11 21:01:07,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15973 to 12770. [2024-10-11 21:01:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12770 states, 12089 states have (on average 1.1084456944329555) internal successors, (13400), 12094 states have internal predecessors, (13400), 660 states have call successors, (660), 15 states have call predecessors, (660), 15 states have return successors, (660), 660 states have call predecessors, (660), 660 states have call successors, (660) [2024-10-11 21:01:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12770 states to 12770 states and 14720 transitions. [2024-10-11 21:01:07,383 INFO L78 Accepts]: Start accepts. Automaton has 12770 states and 14720 transitions. Word has length 317 [2024-10-11 21:01:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:01:07,383 INFO L471 AbstractCegarLoop]: Abstraction has 12770 states and 14720 transitions. [2024-10-11 21:01:07,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.44) internal successors, (386), 25 states have internal predecessors, (386), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-11 21:01:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 12770 states and 14720 transitions. [2024-10-11 21:01:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-10-11 21:01:07,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:01:07,387 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:01:07,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-11 21:01:07,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:07,588 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 21:01:07,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:01:07,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1416432187, now seen corresponding path program 3 times [2024-10-11 21:01:07,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:01:07,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657597002] [2024-10-11 21:01:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:01:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:01:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:01:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-11 21:01:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 21:01:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 21:01:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:01:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 21:01:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 21:01:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 21:01:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 21:01:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:01:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 21:01:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:01:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 21:01:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 21:01:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 21:01:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 21:01:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:01:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1689 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-10-11 21:01:08,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:01:08,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657597002] [2024-10-11 21:01:08,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657597002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:08,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969989167] [2024-10-11 21:01:08,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:01:08,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:01:08,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:01:08,168 INFO L229 MonitoredProcess]: Starting monitored process 41 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 21:01:08,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-11 21:01:08,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-10-11 21:01:08,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:01:08,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 21:01:08,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:01:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1314 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-10-11 21:01:08,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:01:09,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969989167] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:01:09,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:01:09,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 11] total 43 [2024-10-11 21:01:09,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511645316] [2024-10-11 21:01:09,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:01:09,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-11 21:01:09,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:01:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-11 21:01:09,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=1729, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 21:01:09,110 INFO L87 Difference]: Start difference. First operand 12770 states and 14720 transitions. Second operand has 43 states, 43 states have (on average 9.837209302325581) internal successors, (423), 43 states have internal predecessors, (423), 24 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26)