./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:05:27,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:05:27,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:05:27,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:05:27,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:05:27,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:05:27,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:05:27,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:05:27,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:05:27,967 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:05:27,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:05:27,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:05:27,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:05:27,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:05:27,969 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:05:27,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:05:27,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:05:27,969 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:05:27,970 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:05:27,971 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:27,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:05:27,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:05:27,972 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2025-03-09 02:05:28,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:05:28,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:05:28,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:05:28,195 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:05:28,195 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:05:28,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2025-03-09 02:05:29,360 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48a81baef/492c7e6d35e14bc4ada831601de8d0d5/FLAG3e8eaaa81 [2025-03-09 02:05:29,567 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:05:29,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2025-03-09 02:05:29,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48a81baef/492c7e6d35e14bc4ada831601de8d0d5/FLAG3e8eaaa81 [2025-03-09 02:05:29,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48a81baef/492c7e6d35e14bc4ada831601de8d0d5 [2025-03-09 02:05:29,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:05:29,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:05:29,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:29,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:05:29,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:05:29,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:29" (1/1) ... [2025-03-09 02:05:29,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1f828a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:29, skipping insertion in model container [2025-03-09 02:05:29,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:05:29" (1/1) ... [2025-03-09 02:05:29,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:05:30,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:30,061 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:05:30,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:05:30,094 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:05:30,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30 WrapperNode [2025-03-09 02:05:30,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:05:30,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:30,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:05:30,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:05:30,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,135 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2025-03-09 02:05:30,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:05:30,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:05:30,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:05:30,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:05:30,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,158 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]. [2025-03-09 02:05:30,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:05:30,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:05:30,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:05:30,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:05:30,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (1/1) ... [2025-03-09 02:05:30,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:05:30,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:30,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:05:30,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:05:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:05:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:05:30,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:05:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:05:30,251 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:05:30,253 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:05:30,818 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-09 02:05:30,818 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:05:30,836 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:05:30,836 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:05:30,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:30 BoogieIcfgContainer [2025-03-09 02:05:30,836 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:05:30,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:05:30,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:05:30,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:05:30,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:05:29" (1/3) ... [2025-03-09 02:05:30,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dec357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:30, skipping insertion in model container [2025-03-09 02:05:30,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:05:30" (2/3) ... [2025-03-09 02:05:30,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dec357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:05:30, skipping insertion in model container [2025-03-09 02:05:30,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:05:30" (3/3) ... [2025-03-09 02:05:30,844 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound100.c [2025-03-09 02:05:30,854 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:05:30,855 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_unwindbound100.c that has 2 procedures, 306 locations, 1 initial locations, 1 loop locations, and 140 error locations. [2025-03-09 02:05:30,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:05:30,903 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1aae49c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:05:30,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2025-03-09 02:05:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 02:05:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 02:05:30,910 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:30,910 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 02:05:30,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:30,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash 10188447, now seen corresponding path program 1 times [2025-03-09 02:05:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907651719] [2025-03-09 02:05:30,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:30,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:30,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 02:05:30,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 02:05:30,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:30,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:31,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:31,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907651719] [2025-03-09 02:05:31,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907651719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:31,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:31,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:31,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893802161] [2025-03-09 02:05:31,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:31,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:31,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:31,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:31,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:31,083 INFO L87 Difference]: Start difference. First operand has 306 states, 153 states have (on average 1.9411764705882353) internal successors, (297), 293 states have internal predecessors, (297), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:31,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:31,155 INFO L93 Difference]: Finished difference Result 606 states and 654 transitions. [2025-03-09 02:05:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:31,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-09 02:05:31,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:31,161 INFO L225 Difference]: With dead ends: 606 [2025-03-09 02:05:31,161 INFO L226 Difference]: Without dead ends: 296 [2025-03-09 02:05:31,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:31,165 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 4 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 909 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 [2025-03-09 02:05:31,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 909 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:31,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-03-09 02:05:31,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2025-03-09 02:05:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 152 states have (on average 1.881578947368421) internal successors, (286), 284 states have internal predecessors, (286), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-09 02:05:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 306 transitions. [2025-03-09 02:05:31,202 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 306 transitions. Word has length 4 [2025-03-09 02:05:31,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:31,202 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 306 transitions. [2025-03-09 02:05:31,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 306 transitions. [2025-03-09 02:05:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 02:05:31,203 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:31,203 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:31,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 02:05:31,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:31,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1418391353, now seen corresponding path program 1 times [2025-03-09 02:05:31,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:31,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355689420] [2025-03-09 02:05:31,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:31,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:31,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 02:05:31,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 02:05:31,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:31,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:05:31,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355689420] [2025-03-09 02:05:31,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355689420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:31,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:31,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:31,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644657251] [2025-03-09 02:05:31,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:31,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:31,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:31,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:31,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:31,260 INFO L87 Difference]: Start difference. First operand 296 states and 306 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:31,388 INFO L93 Difference]: Finished difference Result 564 states and 584 transitions. [2025-03-09 02:05:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:31,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 02:05:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:31,391 INFO L225 Difference]: With dead ends: 564 [2025-03-09 02:05:31,394 INFO L226 Difference]: Without dead ends: 544 [2025-03-09 02:05:31,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:31,395 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 237 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:31,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 581 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-09 02:05:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 354. [2025-03-09 02:05:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 205 states have (on average 1.7902439024390244) internal successors, (367), 337 states have internal predecessors, (367), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-09 02:05:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 397 transitions. [2025-03-09 02:05:31,413 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 397 transitions. Word has length 7 [2025-03-09 02:05:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:31,413 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 397 transitions. [2025-03-09 02:05:31,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 02:05:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 397 transitions. [2025-03-09 02:05:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-09 02:05:31,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:31,414 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:31,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 02:05:31,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:31,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:31,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1941662720, now seen corresponding path program 1 times [2025-03-09 02:05:31,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:31,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327673682] [2025-03-09 02:05:31,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:31,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:31,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:05:31,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:05:31,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:31,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:31,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193052699] [2025-03-09 02:05:31,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:31,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:31,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:31,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:05:31,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-09 02:05:31,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-09 02:05:31,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:31,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:31,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:31,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:31,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:31,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:31,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327673682] [2025-03-09 02:05:31,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:31,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193052699] [2025-03-09 02:05:31,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193052699] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:31,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:31,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:31,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641334829] [2025-03-09 02:05:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:31,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:31,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:31,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:31,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:31,607 INFO L87 Difference]: Start difference. First operand 354 states and 397 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:32,032 INFO L93 Difference]: Finished difference Result 514 states and 572 transitions. [2025-03-09 02:05:32,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:32,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-03-09 02:05:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:32,035 INFO L225 Difference]: With dead ends: 514 [2025-03-09 02:05:32,035 INFO L226 Difference]: Without dead ends: 459 [2025-03-09 02:05:32,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:32,035 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 134 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:32,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2025-03-09 02:05:32,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 439. [2025-03-09 02:05:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.6491228070175439) internal successors, (470), 417 states have internal predecessors, (470), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 510 transitions. [2025-03-09 02:05:32,056 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 510 transitions. Word has length 40 [2025-03-09 02:05:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:32,057 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 510 transitions. [2025-03-09 02:05:32,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 510 transitions. [2025-03-09 02:05:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 02:05:32,057 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:32,058 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:32,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:05:32,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:32,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:32,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:32,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1922060450, now seen corresponding path program 1 times [2025-03-09 02:05:32,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:32,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776439143] [2025-03-09 02:05:32,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:32,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-09 02:05:32,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 02:05:32,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:32,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776439143] [2025-03-09 02:05:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776439143] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:32,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:32,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:32,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148337911] [2025-03-09 02:05:32,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:32,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:32,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:32,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:32,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:32,341 INFO L87 Difference]: Start difference. First operand 439 states and 510 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:32,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:32,532 INFO L93 Difference]: Finished difference Result 472 states and 517 transitions. [2025-03-09 02:05:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:32,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-03-09 02:05:32,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:32,535 INFO L225 Difference]: With dead ends: 472 [2025-03-09 02:05:32,535 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:32,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:32,536 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:32,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 487 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:32,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.568421052631579) internal successors, (447), 417 states have internal predecessors, (447), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 487 transitions. [2025-03-09 02:05:32,554 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 487 transitions. Word has length 42 [2025-03-09 02:05:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:32,554 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 487 transitions. [2025-03-09 02:05:32,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 487 transitions. [2025-03-09 02:05:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-09 02:05:32,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:32,556 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:32,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 02:05:32,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:32,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash -264148292, now seen corresponding path program 1 times [2025-03-09 02:05:32,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:32,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34685708] [2025-03-09 02:05:32,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:32,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:32,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-09 02:05:32,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-09 02:05:32,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:32,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:32,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:32,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34685708] [2025-03-09 02:05:32,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34685708] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:32,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:32,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:32,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675242637] [2025-03-09 02:05:32,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:32,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:32,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:32,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:32,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:32,648 INFO L87 Difference]: Start difference. First operand 439 states and 487 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:33,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:33,101 INFO L93 Difference]: Finished difference Result 451 states and 494 transitions. [2025-03-09 02:05:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:33,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2025-03-09 02:05:33,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:33,103 INFO L225 Difference]: With dead ends: 451 [2025-03-09 02:05:33,103 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:33,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:33,104 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 140 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:33,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 528 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.5614035087719298) internal successors, (445), 417 states have internal predecessors, (445), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 485 transitions. [2025-03-09 02:05:33,116 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 485 transitions. Word has length 44 [2025-03-09 02:05:33,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:33,116 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 485 transitions. [2025-03-09 02:05:33,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 485 transitions. [2025-03-09 02:05:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 02:05:33,117 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:33,117 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:33,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 02:05:33,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:33,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:33,119 INFO L85 PathProgramCache]: Analyzing trace with hash 401337751, now seen corresponding path program 1 times [2025-03-09 02:05:33,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:33,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160215879] [2025-03-09 02:05:33,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:33,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-09 02:05:33,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 02:05:33,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:33,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:33,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:33,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160215879] [2025-03-09 02:05:33,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160215879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:33,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:33,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:33,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674677983] [2025-03-09 02:05:33,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:33,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:33,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:33,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:33,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:33,199 INFO L87 Difference]: Start difference. First operand 439 states and 485 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:33,504 INFO L93 Difference]: Finished difference Result 451 states and 492 transitions. [2025-03-09 02:05:33,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:33,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2025-03-09 02:05:33,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:33,507 INFO L225 Difference]: With dead ends: 451 [2025-03-09 02:05:33,508 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:33,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:33,508 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 255 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:33,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 452 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:33,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-09 02:05:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.5543859649122806) internal successors, (443), 417 states have internal predecessors, (443), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 483 transitions. [2025-03-09 02:05:33,523 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 483 transitions. Word has length 45 [2025-03-09 02:05:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:33,523 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 483 transitions. [2025-03-09 02:05:33,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 483 transitions. [2025-03-09 02:05:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 02:05:33,525 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:33,526 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:33,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 02:05:33,526 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:33,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:33,526 INFO L85 PathProgramCache]: Analyzing trace with hash -935804552, now seen corresponding path program 1 times [2025-03-09 02:05:33,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:33,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321480021] [2025-03-09 02:05:33,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:33,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:05:33,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:05:33,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:33,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:33,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877809463] [2025-03-09 02:05:33,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:33,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:33,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:05:33,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 02:05:33,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 02:05:33,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:33,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:33,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 02:05:33,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:33,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:33,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:33,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321480021] [2025-03-09 02:05:33,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:33,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877809463] [2025-03-09 02:05:33,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877809463] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009703998] [2025-03-09 02:05:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:33,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:33,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:33,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:33,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:33,748 INFO L87 Difference]: Start difference. First operand 439 states and 483 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:34,031 INFO L93 Difference]: Finished difference Result 456 states and 490 transitions. [2025-03-09 02:05:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-03-09 02:05:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:34,033 INFO L225 Difference]: With dead ends: 456 [2025-03-09 02:05:34,033 INFO L226 Difference]: Without dead ends: 447 [2025-03-09 02:05:34,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:34,033 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:34,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 283 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:34,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-09 02:05:34,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 442. [2025-03-09 02:05:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 288 states have (on average 1.5277777777777777) internal successors, (440), 420 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 480 transitions. [2025-03-09 02:05:34,042 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 480 transitions. Word has length 48 [2025-03-09 02:05:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:34,042 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 480 transitions. [2025-03-09 02:05:34,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 480 transitions. [2025-03-09 02:05:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 02:05:34,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:34,043 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:34,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:34,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-09 02:05:34,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:34,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1054830163, now seen corresponding path program 1 times [2025-03-09 02:05:34,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:34,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892605730] [2025-03-09 02:05:34,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:34,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 02:05:34,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 02:05:34,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:34,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:34,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892605730] [2025-03-09 02:05:34,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892605730] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:34,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:34,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:34,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263843121] [2025-03-09 02:05:34,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:34,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:34,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:34,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:34,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:34,328 INFO L87 Difference]: Start difference. First operand 442 states and 480 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:34,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:34,677 INFO L93 Difference]: Finished difference Result 455 states and 481 transitions. [2025-03-09 02:05:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:34,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2025-03-09 02:05:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:34,679 INFO L225 Difference]: With dead ends: 455 [2025-03-09 02:05:34,680 INFO L226 Difference]: Without dead ends: 449 [2025-03-09 02:05:34,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:34,681 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 136 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:34,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 417 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-09 02:05:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 442. [2025-03-09 02:05:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 288 states have (on average 1.5069444444444444) internal successors, (434), 420 states have internal predecessors, (434), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-09 02:05:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 474 transitions. [2025-03-09 02:05:34,712 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 474 transitions. Word has length 49 [2025-03-09 02:05:34,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:34,713 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 474 transitions. [2025-03-09 02:05:34,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 474 transitions. [2025-03-09 02:05:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-09 02:05:34,713 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:34,713 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:34,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 02:05:34,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:34,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash -899125489, now seen corresponding path program 1 times [2025-03-09 02:05:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215285153] [2025-03-09 02:05:34,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:34,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:34,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-09 02:05:34,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-09 02:05:34,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:34,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 02:05:34,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:34,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215285153] [2025-03-09 02:05:34,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215285153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:34,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:34,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:34,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392253887] [2025-03-09 02:05:34,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:34,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:34,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:34,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:34,830 INFO L87 Difference]: Start difference. First operand 442 states and 474 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:35,204 INFO L93 Difference]: Finished difference Result 453 states and 475 transitions. [2025-03-09 02:05:35,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:35,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2025-03-09 02:05:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:35,206 INFO L225 Difference]: With dead ends: 453 [2025-03-09 02:05:35,206 INFO L226 Difference]: Without dead ends: 380 [2025-03-09 02:05:35,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:35,207 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 119 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:35,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 433 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-09 02:05:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2025-03-09 02:05:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 357 states have internal predecessors, (365), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 399 transitions. [2025-03-09 02:05:35,216 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 399 transitions. Word has length 53 [2025-03-09 02:05:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:35,216 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 399 transitions. [2025-03-09 02:05:35,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-09 02:05:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 399 transitions. [2025-03-09 02:05:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-09 02:05:35,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:35,219 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:35,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 02:05:35,220 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:35,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1828896756, now seen corresponding path program 1 times [2025-03-09 02:05:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840692597] [2025-03-09 02:05:35,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:35,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-09 02:05:35,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-09 02:05:35,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:35,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840692597] [2025-03-09 02:05:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840692597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:35,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:35,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:35,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961320683] [2025-03-09 02:05:35,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:35,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:35,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:35,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:35,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,280 INFO L87 Difference]: Start difference. First operand 376 states and 399 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:35,499 INFO L93 Difference]: Finished difference Result 376 states and 399 transitions. [2025-03-09 02:05:35,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:35,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-03-09 02:05:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:35,500 INFO L225 Difference]: With dead ends: 376 [2025-03-09 02:05:35,500 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:35,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,501 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 141 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:35,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 159 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-09 02:05:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 225 states have (on average 1.5911111111111111) internal successors, (358), 350 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 392 transitions. [2025-03-09 02:05:35,510 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 392 transitions. Word has length 85 [2025-03-09 02:05:35,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:35,510 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 392 transitions. [2025-03-09 02:05:35,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 392 transitions. [2025-03-09 02:05:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-09 02:05:35,514 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:35,514 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:35,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 02:05:35,514 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:35,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:35,515 INFO L85 PathProgramCache]: Analyzing trace with hash -861224441, now seen corresponding path program 1 times [2025-03-09 02:05:35,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:35,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451780167] [2025-03-09 02:05:35,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:35,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-09 02:05:35,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-09 02:05:35,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:35,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:35,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451780167] [2025-03-09 02:05:35,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451780167] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:35,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:35,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:35,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705231605] [2025-03-09 02:05:35,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:35,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:35,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:35,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:35,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,574 INFO L87 Difference]: Start difference. First operand 369 states and 392 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:35,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:35,785 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2025-03-09 02:05:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:35,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2025-03-09 02:05:35,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:35,787 INFO L225 Difference]: With dead ends: 376 [2025-03-09 02:05:35,787 INFO L226 Difference]: Without dead ends: 375 [2025-03-09 02:05:35,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,788 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 24 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:35,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 428 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-09 02:05:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2025-03-09 02:05:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 352 states have internal predecessors, (360), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 394 transitions. [2025-03-09 02:05:35,796 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 394 transitions. Word has length 86 [2025-03-09 02:05:35,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:35,796 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 394 transitions. [2025-03-09 02:05:35,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 394 transitions. [2025-03-09 02:05:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:05:35,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:35,797 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:35,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 02:05:35,797 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:35,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1376228870, now seen corresponding path program 1 times [2025-03-09 02:05:35,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:35,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313626514] [2025-03-09 02:05:35,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:35,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:35,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:35,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:35,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:35,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313626514] [2025-03-09 02:05:35,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313626514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:35,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:35,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:35,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072622536] [2025-03-09 02:05:35,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:35,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:35,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:35,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,871 INFO L87 Difference]: Start difference. First operand 371 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:35,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:35,942 INFO L93 Difference]: Finished difference Result 371 states and 394 transitions. [2025-03-09 02:05:35,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:35,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2025-03-09 02:05:35,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:35,944 INFO L225 Difference]: With dead ends: 371 [2025-03-09 02:05:35,944 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:35,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:35,945 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 195 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:35,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 267 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:35,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-09 02:05:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 227 states have (on average 1.5682819383259912) internal successors, (356), 350 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 390 transitions. [2025-03-09 02:05:35,954 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 390 transitions. Word has length 88 [2025-03-09 02:05:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:35,954 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 390 transitions. [2025-03-09 02:05:35,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-09 02:05:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 390 transitions. [2025-03-09 02:05:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:05:35,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:35,955 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:35,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 02:05:35,956 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:35,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:35,956 INFO L85 PathProgramCache]: Analyzing trace with hash -286577856, now seen corresponding path program 1 times [2025-03-09 02:05:35,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:35,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486049152] [2025-03-09 02:05:35,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:35,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:35,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:35,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:35,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:35,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:36,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:36,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486049152] [2025-03-09 02:05:36,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486049152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:36,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:36,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:05:36,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054079950] [2025-03-09 02:05:36,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:36,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:36,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:36,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:36,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:36,031 INFO L87 Difference]: Start difference. First operand 369 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:36,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:36,167 INFO L93 Difference]: Finished difference Result 373 states and 390 transitions. [2025-03-09 02:05:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:36,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 89 [2025-03-09 02:05:36,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:36,169 INFO L225 Difference]: With dead ends: 373 [2025-03-09 02:05:36,169 INFO L226 Difference]: Without dead ends: 369 [2025-03-09 02:05:36,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:36,170 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 48 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:36,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 738 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:36,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-09 02:05:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2025-03-09 02:05:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 225 states have (on average 1.5644444444444445) internal successors, (352), 348 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 386 transitions. [2025-03-09 02:05:36,181 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 386 transitions. Word has length 89 [2025-03-09 02:05:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:36,181 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 386 transitions. [2025-03-09 02:05:36,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-09 02:05:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 386 transitions. [2025-03-09 02:05:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-09 02:05:36,182 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:36,182 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:36,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 02:05:36,182 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1292008901, now seen corresponding path program 1 times [2025-03-09 02:05:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:36,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167814185] [2025-03-09 02:05:36,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:36,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:36,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:36,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:36,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:36,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167814185] [2025-03-09 02:05:36,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167814185] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:36,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758048026] [2025-03-09 02:05:36,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:36,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:36,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:36,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:36,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:05:36,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-09 02:05:36,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 02:05:36,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:36,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:36,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:36,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:36,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:36,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758048026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:36,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:36,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:05:36,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944208668] [2025-03-09 02:05:36,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:36,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:36,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:36,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:36,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:36,466 INFO L87 Difference]: Start difference. First operand 367 states and 386 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:36,494 INFO L93 Difference]: Finished difference Result 367 states and 386 transitions. [2025-03-09 02:05:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:36,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2025-03-09 02:05:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:36,495 INFO L225 Difference]: With dead ends: 367 [2025-03-09 02:05:36,495 INFO L226 Difference]: Without dead ends: 366 [2025-03-09 02:05:36,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:05:36,496 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 223 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:36,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 856 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:36,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-09 02:05:36,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2025-03-09 02:05:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 225 states have (on average 1.56) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-09 02:05:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2025-03-09 02:05:36,509 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2025-03-09 02:05:36,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:36,509 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2025-03-09 02:05:36,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2025-03-09 02:05:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-09 02:05:36,510 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:36,511 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:36,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:36,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:36,712 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:36,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1397570531, now seen corresponding path program 1 times [2025-03-09 02:05:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954925909] [2025-03-09 02:05:36,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:36,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:36,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:36,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:36,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:36,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954925909] [2025-03-09 02:05:36,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954925909] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068268480] [2025-03-09 02:05:36,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:36,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:36,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:36,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:05:36,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-09 02:05:36,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-09 02:05:36,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:36,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:36,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:36,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:36,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:36,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068268480] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:36,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:36,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:05:36,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525735730] [2025-03-09 02:05:36,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:36,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:36,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:36,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:36,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:36,971 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:37,050 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2025-03-09 02:05:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:37,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2025-03-09 02:05:37,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:37,052 INFO L225 Difference]: With dead ends: 535 [2025-03-09 02:05:37,052 INFO L226 Difference]: Without dead ends: 534 [2025-03-09 02:05:37,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:05:37,053 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:37,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1499 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:05:37,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-03-09 02:05:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2025-03-09 02:05:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 296 states have (on average 1.6283783783783783) internal successors, (482), 418 states have internal predecessors, (482), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:05:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2025-03-09 02:05:37,063 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2025-03-09 02:05:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:37,064 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2025-03-09 02:05:37,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2025-03-09 02:05:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-09 02:05:37,064 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:37,064 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:37,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:37,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 02:05:37,268 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1259474975, now seen corresponding path program 1 times [2025-03-09 02:05:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:37,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905550707] [2025-03-09 02:05:37,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:37,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:05:37,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:05:37,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:37,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:37,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905550707] [2025-03-09 02:05:37,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905550707] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:37,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776399407] [2025-03-09 02:05:37,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:37,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:37,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:05:37,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-09 02:05:37,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-09 02:05:37,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:37,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:37,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:37,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:37,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776399407] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:37,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:37,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 02:05:37,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213776243] [2025-03-09 02:05:37,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:37,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:37,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:37,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:37,422 INFO L87 Difference]: Start difference. First operand 442 states and 526 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:37,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:37,506 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2025-03-09 02:05:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 91 [2025-03-09 02:05:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:37,509 INFO L225 Difference]: With dead ends: 444 [2025-03-09 02:05:37,509 INFO L226 Difference]: Without dead ends: 436 [2025-03-09 02:05:37,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:37,509 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 255 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:37,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2025-03-09 02:05:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2025-03-09 02:05:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 296 states have (on average 1.5945945945945945) internal successors, (472), 410 states have internal predecessors, (472), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 02:05:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2025-03-09 02:05:37,519 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2025-03-09 02:05:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:37,519 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2025-03-09 02:05:37,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-09 02:05:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2025-03-09 02:05:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-09 02:05:37,520 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:37,520 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:37,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:37,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 02:05:37,721 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:37,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:37,721 INFO L85 PathProgramCache]: Analyzing trace with hash -389018303, now seen corresponding path program 1 times [2025-03-09 02:05:37,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:37,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715990182] [2025-03-09 02:05:37,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:37,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:05:37,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:05:37,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:37,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:37,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715990182] [2025-03-09 02:05:37,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715990182] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:37,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701439811] [2025-03-09 02:05:37,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:37,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:37,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:37,768 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:37,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:05:37,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-09 02:05:37,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-09 02:05:37,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:37,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:37,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:05:37,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:37,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:37,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701439811] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:37,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:37,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 02:05:37,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814034663] [2025-03-09 02:05:37,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:37,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 02:05:37,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:37,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 02:05:37,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:37,957 INFO L87 Difference]: Start difference. First operand 434 states and 516 transitions. Second operand has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:38,098 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2025-03-09 02:05:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 92 [2025-03-09 02:05:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:38,101 INFO L225 Difference]: With dead ends: 779 [2025-03-09 02:05:38,101 INFO L226 Difference]: Without dead ends: 771 [2025-03-09 02:05:38,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:38,102 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 458 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:38,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 974 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2025-03-09 02:05:38,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2025-03-09 02:05:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 367 states have (on average 1.561307901907357) internal successors, (573), 476 states have internal predecessors, (573), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-09 02:05:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2025-03-09 02:05:38,118 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2025-03-09 02:05:38,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:38,118 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2025-03-09 02:05:38,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.666666666666668) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-09 02:05:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2025-03-09 02:05:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 02:05:38,119 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:38,119 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:38,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:38,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 02:05:38,320 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:38,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:38,321 INFO L85 PathProgramCache]: Analyzing trace with hash -607411062, now seen corresponding path program 1 times [2025-03-09 02:05:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:38,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443033853] [2025-03-09 02:05:38,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:38,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:38,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:38,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:38,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:38,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:38,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443033853] [2025-03-09 02:05:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443033853] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:38,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363407755] [2025-03-09 02:05:38,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:38,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:38,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:38,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:38,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 02:05:38,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 02:05:38,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 02:05:38,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:38,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:38,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:38,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-09 02:05:38,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:38,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363407755] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:38,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:38,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-03-09 02:05:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686039708] [2025-03-09 02:05:38,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:38,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:05:38,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:38,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:05:38,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:38,635 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:05:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:38,788 INFO L93 Difference]: Finished difference Result 1136 states and 1237 transitions. [2025-03-09 02:05:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:05:38,788 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 101 [2025-03-09 02:05:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:38,791 INFO L225 Difference]: With dead ends: 1136 [2025-03-09 02:05:38,791 INFO L226 Difference]: Without dead ends: 966 [2025-03-09 02:05:38,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-03-09 02:05:38,792 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 514 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:38,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1575 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2025-03-09 02:05:38,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 719. [2025-03-09 02:05:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 563 states have (on average 1.6287744227353464) internal successors, (917), 674 states have internal predecessors, (917), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1001 transitions. [2025-03-09 02:05:38,810 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1001 transitions. Word has length 101 [2025-03-09 02:05:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:38,810 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1001 transitions. [2025-03-09 02:05:38,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 13 states have internal predecessors, (151), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-09 02:05:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1001 transitions. [2025-03-09 02:05:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 02:05:38,811 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:38,811 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:38,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:39,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:39,016 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:39,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash 979995133, now seen corresponding path program 1 times [2025-03-09 02:05:39,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:39,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962643817] [2025-03-09 02:05:39,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:39,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:39,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:39,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:39,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:39,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:39,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330571334] [2025-03-09 02:05:39,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:39,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:39,039 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:39,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 02:05:39,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 02:05:39,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 02:05:39,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:39,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:39,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:39,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:39,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-09 02:05:39,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:39,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962643817] [2025-03-09 02:05:39,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:39,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330571334] [2025-03-09 02:05:39,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330571334] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:39,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:39,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-09 02:05:39,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244220000] [2025-03-09 02:05:39,279 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:39,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:05:39,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:39,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:05:39,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:05:39,280 INFO L87 Difference]: Start difference. First operand 719 states and 1001 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:39,436 INFO L93 Difference]: Finished difference Result 928 states and 1061 transitions. [2025-03-09 02:05:39,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:39,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2025-03-09 02:05:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:39,439 INFO L225 Difference]: With dead ends: 928 [2025-03-09 02:05:39,439 INFO L226 Difference]: Without dead ends: 922 [2025-03-09 02:05:39,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:39,440 INFO L435 NwaCegarLoop]: 306 mSDtfsCounter, 1089 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:39,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 954 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:39,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2025-03-09 02:05:39,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 714. [2025-03-09 02:05:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 563 states have (on average 1.6056838365896982) internal successors, (904), 669 states have internal predecessors, (904), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 988 transitions. [2025-03-09 02:05:39,474 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 988 transitions. Word has length 103 [2025-03-09 02:05:39,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:39,474 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 988 transitions. [2025-03-09 02:05:39,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-09 02:05:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 988 transitions. [2025-03-09 02:05:39,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 02:05:39,475 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:39,475 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:39,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:39,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:39,676 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:39,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash -759090339, now seen corresponding path program 1 times [2025-03-09 02:05:39,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:39,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600659989] [2025-03-09 02:05:39,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:39,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:39,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:39,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:39,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:39,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:39,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200418851] [2025-03-09 02:05:39,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:39,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:39,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:39,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:39,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 02:05:39,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 02:05:39,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 02:05:39,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:39,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:39,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:39,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:05:39,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:39,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:39,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600659989] [2025-03-09 02:05:39,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:39,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200418851] [2025-03-09 02:05:39,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200418851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:39,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:39,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628161577] [2025-03-09 02:05:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:39,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:39,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:39,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:39,824 INFO L87 Difference]: Start difference. First operand 714 states and 988 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:39,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:39,996 INFO L93 Difference]: Finished difference Result 715 states and 988 transitions. [2025-03-09 02:05:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:39,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2025-03-09 02:05:39,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:40,001 INFO L225 Difference]: With dead ends: 715 [2025-03-09 02:05:40,001 INFO L226 Difference]: Without dead ends: 714 [2025-03-09 02:05:40,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:40,002 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 73 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:40,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 355 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-09 02:05:40,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2025-03-09 02:05:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 563 states have (on average 1.6039076376554173) internal successors, (903), 669 states have internal predecessors, (903), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-09 02:05:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 987 transitions. [2025-03-09 02:05:40,026 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 987 transitions. Word has length 105 [2025-03-09 02:05:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:40,027 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 987 transitions. [2025-03-09 02:05:40,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 987 transitions. [2025-03-09 02:05:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-09 02:05:40,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:40,028 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:40,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 02:05:40,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:40,229 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:40,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:40,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2056963920, now seen corresponding path program 1 times [2025-03-09 02:05:40,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:40,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962188350] [2025-03-09 02:05:40,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:40,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:40,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 02:05:40,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 02:05:40,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:40,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:40,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776793849] [2025-03-09 02:05:40,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:40,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:40,245 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:40,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 02:05:40,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 02:05:40,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 02:05:40,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:40,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:40,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:40,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-09 02:05:40,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:40,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:40,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962188350] [2025-03-09 02:05:40,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:40,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776793849] [2025-03-09 02:05:40,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776793849] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:40,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:40,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 02:05:40,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358785093] [2025-03-09 02:05:40,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:40,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:05:40,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:40,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:05:40,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 02:05:40,463 INFO L87 Difference]: Start difference. First operand 714 states and 987 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:40,765 INFO L93 Difference]: Finished difference Result 715 states and 987 transitions. [2025-03-09 02:05:40,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:05:40,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2025-03-09 02:05:40,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:40,768 INFO L225 Difference]: With dead ends: 715 [2025-03-09 02:05:40,768 INFO L226 Difference]: Without dead ends: 694 [2025-03-09 02:05:40,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:40,769 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 20 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:40,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 393 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:40,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2025-03-09 02:05:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2025-03-09 02:05:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 545 states have (on average 1.6220183486238533) internal successors, (884), 651 states have internal predecessors, (884), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 964 transitions. [2025-03-09 02:05:40,810 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 964 transitions. Word has length 106 [2025-03-09 02:05:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:40,810 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 964 transitions. [2025-03-09 02:05:40,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 964 transitions. [2025-03-09 02:05:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-09 02:05:40,811 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:40,811 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:40,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:41,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-09 02:05:41,012 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:41,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1927118886, now seen corresponding path program 1 times [2025-03-09 02:05:41,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:41,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134376648] [2025-03-09 02:05:41,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:41,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:05:41,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:05:41,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:41,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290733957] [2025-03-09 02:05:41,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:41,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:41,032 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:41,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 02:05:41,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-09 02:05:41,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-09 02:05:41,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:41,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:05:41,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:41,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:05:41,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134376648] [2025-03-09 02:05:41,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290733957] [2025-03-09 02:05:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290733957] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:41,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:41,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 02:05:41,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157222027] [2025-03-09 02:05:41,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:41,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:41,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:41,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 02:05:41,278 INFO L87 Difference]: Start difference. First operand 694 states and 964 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:41,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:41,665 INFO L93 Difference]: Finished difference Result 694 states and 964 transitions. [2025-03-09 02:05:41,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:05:41,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2025-03-09 02:05:41,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:41,671 INFO L225 Difference]: With dead ends: 694 [2025-03-09 02:05:41,671 INFO L226 Difference]: Without dead ends: 684 [2025-03-09 02:05:41,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:05:41,673 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 136 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:41,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 280 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-03-09 02:05:41,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2025-03-09 02:05:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 545 states have (on average 1.5669724770642202) internal successors, (854), 641 states have internal predecessors, (854), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 934 transitions. [2025-03-09 02:05:41,692 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 934 transitions. Word has length 124 [2025-03-09 02:05:41,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:41,693 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 934 transitions. [2025-03-09 02:05:41,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 934 transitions. [2025-03-09 02:05:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-09 02:05:41,693 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:41,693 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:41,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-09 02:05:41,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-09 02:05:41,894 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:41,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash -388856459, now seen corresponding path program 1 times [2025-03-09 02:05:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065937332] [2025-03-09 02:05:41,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:41,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:05:41,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:05:41,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:41,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835739548] [2025-03-09 02:05:41,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:41,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:41,913 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:41,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:05:41,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-09 02:05:41,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-09 02:05:41,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:41,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:41,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:05:41,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:42,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:42,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:42,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065937332] [2025-03-09 02:05:42,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:42,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835739548] [2025-03-09 02:05:42,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835739548] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:42,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:42,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:42,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44729753] [2025-03-09 02:05:42,575 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:42,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:42,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:42,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:42,576 INFO L87 Difference]: Start difference. First operand 684 states and 934 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:42,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:42,992 INFO L93 Difference]: Finished difference Result 737 states and 962 transitions. [2025-03-09 02:05:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:42,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 125 [2025-03-09 02:05:42,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:42,995 INFO L225 Difference]: With dead ends: 737 [2025-03-09 02:05:42,995 INFO L226 Difference]: Without dead ends: 714 [2025-03-09 02:05:42,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:42,995 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 131 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:42,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 378 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-09 02:05:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 696. [2025-03-09 02:05:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 557 states have (on average 1.5296229802513466) internal successors, (852), 652 states have internal predecessors, (852), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 932 transitions. [2025-03-09 02:05:43,010 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 932 transitions. Word has length 125 [2025-03-09 02:05:43,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:43,010 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 932 transitions. [2025-03-09 02:05:43,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:05:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 932 transitions. [2025-03-09 02:05:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-09 02:05:43,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:43,011 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:43,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:43,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-09 02:05:43,211 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:43,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:43,212 INFO L85 PathProgramCache]: Analyzing trace with hash 830351876, now seen corresponding path program 1 times [2025-03-09 02:05:43,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:43,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962857674] [2025-03-09 02:05:43,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:43,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:05:43,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:05:43,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:43,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:43,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962857674] [2025-03-09 02:05:43,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962857674] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:43,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508812117] [2025-03-09 02:05:43,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:43,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:43,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:43,281 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:43,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:05:43,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-09 02:05:43,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-09 02:05:43,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:43,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:43,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:43,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:43,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:43,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508812117] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:43,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:43,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:43,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521348535] [2025-03-09 02:05:43,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:43,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:43,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:43,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:43,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:43,626 INFO L87 Difference]: Start difference. First operand 696 states and 932 transitions. Second operand has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:44,015 INFO L93 Difference]: Finished difference Result 740 states and 939 transitions. [2025-03-09 02:05:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2025-03-09 02:05:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:44,018 INFO L225 Difference]: With dead ends: 740 [2025-03-09 02:05:44,018 INFO L226 Difference]: Without dead ends: 735 [2025-03-09 02:05:44,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:44,019 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 470 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:44,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 518 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:05:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2025-03-09 02:05:44,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 695. [2025-03-09 02:05:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 557 states have (on average 1.5080789946140036) internal successors, (840), 651 states have internal predecessors, (840), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 920 transitions. [2025-03-09 02:05:44,043 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 920 transitions. Word has length 126 [2025-03-09 02:05:44,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:44,043 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 920 transitions. [2025-03-09 02:05:44,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.142857142857146) internal successors, (232), 8 states have internal predecessors, (232), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 920 transitions. [2025-03-09 02:05:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 02:05:44,045 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:44,045 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:44,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:44,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-09 02:05:44,246 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:44,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash -28895405, now seen corresponding path program 1 times [2025-03-09 02:05:44,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:44,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746895792] [2025-03-09 02:05:44,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:44,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:05:44,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:05:44,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:44,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:44,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:44,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746895792] [2025-03-09 02:05:44,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746895792] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:44,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003639409] [2025-03-09 02:05:44,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:44,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:44,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:44,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:05:44,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 02:05:44,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 02:05:44,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:44,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:44,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:44,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:44,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:44,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003639409] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:44,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:44,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-09 02:05:44,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424058553] [2025-03-09 02:05:44,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:44,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:05:44,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:44,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:05:44,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:44,642 INFO L87 Difference]: Start difference. First operand 695 states and 920 transitions. Second operand has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:45,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:45,057 INFO L93 Difference]: Finished difference Result 739 states and 927 transitions. [2025-03-09 02:05:45,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:45,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 127 [2025-03-09 02:05:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:45,059 INFO L225 Difference]: With dead ends: 739 [2025-03-09 02:05:45,059 INFO L226 Difference]: Without dead ends: 734 [2025-03-09 02:05:45,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:45,059 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 334 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:45,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 571 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-03-09 02:05:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2025-03-09 02:05:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 557 states have (on average 1.4865350089766607) internal successors, (828), 650 states have internal predecessors, (828), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-09 02:05:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 908 transitions. [2025-03-09 02:05:45,073 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 908 transitions. Word has length 127 [2025-03-09 02:05:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:45,074 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 908 transitions. [2025-03-09 02:05:45,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.42857142857143) internal successors, (234), 8 states have internal predecessors, (234), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-09 02:05:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 908 transitions. [2025-03-09 02:05:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-09 02:05:45,074 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:45,074 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:45,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 02:05:45,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:45,279 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:45,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:45,279 INFO L85 PathProgramCache]: Analyzing trace with hash -895757342, now seen corresponding path program 1 times [2025-03-09 02:05:45,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:45,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256943742] [2025-03-09 02:05:45,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:45,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-09 02:05:45,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-09 02:05:45,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:45,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:45,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561731949] [2025-03-09 02:05:45,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:45,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:45,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:45,293 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:45,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:05:45,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-09 02:05:45,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-09 02:05:45,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:45,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:45,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 02:05:45,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:45,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-09 02:05:45,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:45,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256943742] [2025-03-09 02:05:45,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:45,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561731949] [2025-03-09 02:05:45,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561731949] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:45,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:45,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:05:45,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806113504] [2025-03-09 02:05:45,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:45,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:05:45,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:45,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:05:45,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:45,838 INFO L87 Difference]: Start difference. First operand 694 states and 908 transitions. Second operand has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:05:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:47,525 INFO L93 Difference]: Finished difference Result 759 states and 940 transitions. [2025-03-09 02:05:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-09 02:05:47,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2025-03-09 02:05:47,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:47,528 INFO L225 Difference]: With dead ends: 759 [2025-03-09 02:05:47,528 INFO L226 Difference]: Without dead ends: 664 [2025-03-09 02:05:47,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:47,528 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 406 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:47,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 510 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-09 02:05:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-03-09 02:05:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 641. [2025-03-09 02:05:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 509 states have (on average 1.4538310412573674) internal successors, (740), 600 states have internal predecessors, (740), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 814 transitions. [2025-03-09 02:05:47,545 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 814 transitions. Word has length 128 [2025-03-09 02:05:47,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:47,545 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 814 transitions. [2025-03-09 02:05:47,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.77777777777778) internal successors, (178), 10 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:05:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 814 transitions. [2025-03-09 02:05:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-09 02:05:47,548 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:47,548 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-09 02:05:47,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:05:47,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-09 02:05:47,753 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:47,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash -190293075, now seen corresponding path program 1 times [2025-03-09 02:05:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:47,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269415719] [2025-03-09 02:05:47,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:47,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-09 02:05:47,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-09 02:05:47,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:47,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-09 02:05:47,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:47,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269415719] [2025-03-09 02:05:47,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269415719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:05:47,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:05:47,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 02:05:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603158090] [2025-03-09 02:05:47,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:05:47,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 02:05:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:47,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 02:05:47,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:47,801 INFO L87 Difference]: Start difference. First operand 641 states and 814 transitions. Second operand has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:48,019 INFO L93 Difference]: Finished difference Result 647 states and 814 transitions. [2025-03-09 02:05:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 02:05:48,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 170 [2025-03-09 02:05:48,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:48,022 INFO L225 Difference]: With dead ends: 647 [2025-03-09 02:05:48,022 INFO L226 Difference]: Without dead ends: 644 [2025-03-09 02:05:48,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 02:05:48,022 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 134 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:48,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 192 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-09 02:05:48,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 639. [2025-03-09 02:05:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 509 states have (on average 1.4420432220039292) internal successors, (734), 598 states have internal predecessors, (734), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 808 transitions. [2025-03-09 02:05:48,038 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 808 transitions. Word has length 170 [2025-03-09 02:05:48,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:48,038 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 808 transitions. [2025-03-09 02:05:48,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-09 02:05:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 808 transitions. [2025-03-09 02:05:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-09 02:05:48,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:48,039 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:48,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-09 02:05:48,039 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:48,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:48,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1348048934, now seen corresponding path program 1 times [2025-03-09 02:05:48,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:48,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505083656] [2025-03-09 02:05:48,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:48,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-09 02:05:48,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-09 02:05:48,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:48,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:48,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505083656] [2025-03-09 02:05:48,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505083656] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:48,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410162891] [2025-03-09 02:05:48,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:48,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:48,123 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:48,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:05:48,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-09 02:05:48,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-09 02:05:48,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:48,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:48,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:48,266 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:48,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410162891] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:48,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:05:48,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-09 02:05:48,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675546927] [2025-03-09 02:05:48,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:48,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:48,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:48,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:05:48,399 INFO L87 Difference]: Start difference. First operand 639 states and 808 transitions. Second operand has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:05:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:48,687 INFO L93 Difference]: Finished difference Result 724 states and 832 transitions. [2025-03-09 02:05:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:05:48,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 173 [2025-03-09 02:05:48,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:48,689 INFO L225 Difference]: With dead ends: 724 [2025-03-09 02:05:48,689 INFO L226 Difference]: Without dead ends: 722 [2025-03-09 02:05:48,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:48,690 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 925 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:48,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 763 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:05:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-09 02:05:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 637. [2025-03-09 02:05:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4263261296660117) internal successors, (726), 596 states have internal predecessors, (726), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 800 transitions. [2025-03-09 02:05:48,704 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 800 transitions. Word has length 173 [2025-03-09 02:05:48,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:48,704 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 800 transitions. [2025-03-09 02:05:48,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.5) internal successors, (292), 9 states have internal predecessors, (292), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-09 02:05:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 800 transitions. [2025-03-09 02:05:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-09 02:05:48,705 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:48,705 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:48,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-09 02:05:48,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-09 02:05:48,907 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:48,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:48,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1160156138, now seen corresponding path program 1 times [2025-03-09 02:05:48,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:48,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245020132] [2025-03-09 02:05:48,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:48,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-09 02:05:48,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-09 02:05:48,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855272201] [2025-03-09 02:05:48,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:48,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:48,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:48,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:05:48,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-09 02:05:48,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-09 02:05:48,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:48,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:48,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:05:48,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:49,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:49,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:49,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245020132] [2025-03-09 02:05:49,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:49,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855272201] [2025-03-09 02:05:49,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855272201] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:49,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:49,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:49,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596370226] [2025-03-09 02:05:49,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:49,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:49,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:49,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:49,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:49,891 INFO L87 Difference]: Start difference. First operand 637 states and 800 transitions. Second operand has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:05:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:50,304 INFO L93 Difference]: Finished difference Result 638 states and 800 transitions. [2025-03-09 02:05:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:50,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 174 [2025-03-09 02:05:50,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:50,306 INFO L225 Difference]: With dead ends: 638 [2025-03-09 02:05:50,306 INFO L226 Difference]: Without dead ends: 637 [2025-03-09 02:05:50,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:50,307 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 32 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:50,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 466 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:50,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-09 02:05:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2025-03-09 02:05:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.424361493123772) internal successors, (725), 596 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 799 transitions. [2025-03-09 02:05:50,320 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 799 transitions. Word has length 174 [2025-03-09 02:05:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:50,320 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 799 transitions. [2025-03-09 02:05:50,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.5) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-09 02:05:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 799 transitions. [2025-03-09 02:05:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-09 02:05:50,321 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:50,321 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:50,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:50,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-09 02:05:50,522 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:50,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1605102040, now seen corresponding path program 1 times [2025-03-09 02:05:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339992465] [2025-03-09 02:05:50,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:50,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-09 02:05:50,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-09 02:05:50,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:50,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:50,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683538344] [2025-03-09 02:05:50,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:50,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:50,544 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:50,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-09 02:05:50,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-09 02:05:50,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-09 02:05:50,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:50,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:50,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:05:50,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:50,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:51,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339992465] [2025-03-09 02:05:51,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683538344] [2025-03-09 02:05:51,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683538344] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:51,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:51,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-09 02:05:51,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195429204] [2025-03-09 02:05:51,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:51,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:05:51,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:51,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:05:51,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:05:51,065 INFO L87 Difference]: Start difference. First operand 637 states and 799 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:05:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:51,460 INFO L93 Difference]: Finished difference Result 648 states and 799 transitions. [2025-03-09 02:05:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 02:05:51,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 175 [2025-03-09 02:05:51,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:51,463 INFO L225 Difference]: With dead ends: 648 [2025-03-09 02:05:51,463 INFO L226 Difference]: Without dead ends: 647 [2025-03-09 02:05:51,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:51,463 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 69 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:51,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 560 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 02:05:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-03-09 02:05:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 637. [2025-03-09 02:05:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4223968565815324) internal successors, (724), 596 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 798 transitions. [2025-03-09 02:05:51,477 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 798 transitions. Word has length 175 [2025-03-09 02:05:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:51,477 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 798 transitions. [2025-03-09 02:05:51,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.6) internal successors, (123), 6 states have internal predecessors, (123), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-09 02:05:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 798 transitions. [2025-03-09 02:05:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-09 02:05:51,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:51,478 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:51,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:51,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:51,678 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:51,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:51,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1724094310, now seen corresponding path program 1 times [2025-03-09 02:05:51,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:51,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153529896] [2025-03-09 02:05:51,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:51,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-09 02:05:51,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-09 02:05:51,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:51,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652336933] [2025-03-09 02:05:51,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:51,697 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:51,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-09 02:05:51,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-09 02:05:51,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-09 02:05:51,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:51,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:51,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 02:05:51,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:52,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-09 02:05:53,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:53,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153529896] [2025-03-09 02:05:53,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:53,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652336933] [2025-03-09 02:05:53,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652336933] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:05:53,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:05:53,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:05:53,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910904888] [2025-03-09 02:05:53,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:53,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:05:53,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:53,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:05:53,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:05:53,313 INFO L87 Difference]: Start difference. First operand 637 states and 798 transitions. Second operand has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:05:56,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:56,397 INFO L93 Difference]: Finished difference Result 661 states and 822 transitions. [2025-03-09 02:05:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:05:56,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 178 [2025-03-09 02:05:56,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:56,399 INFO L225 Difference]: With dead ends: 661 [2025-03-09 02:05:56,399 INFO L226 Difference]: Without dead ends: 653 [2025-03-09 02:05:56,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:05:56,399 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 324 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:56,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 367 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-09 02:05:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-09 02:05:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 637. [2025-03-09 02:05:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 509 states have (on average 1.4066797642436148) internal successors, (716), 596 states have internal predecessors, (716), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-09 02:05:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 790 transitions. [2025-03-09 02:05:56,414 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 790 transitions. Word has length 178 [2025-03-09 02:05:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:56,415 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 790 transitions. [2025-03-09 02:05:56,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.555555555555557) internal successors, (248), 10 states have internal predecessors, (248), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-09 02:05:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 790 transitions. [2025-03-09 02:05:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-09 02:05:56,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:56,416 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:05:56,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-09 02:05:56,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:56,620 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:56,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:56,621 INFO L85 PathProgramCache]: Analyzing trace with hash -407721105, now seen corresponding path program 1 times [2025-03-09 02:05:56,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:56,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910609693] [2025-03-09 02:05:56,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:56,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:56,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-09 02:05:56,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-09 02:05:56,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:56,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066988652] [2025-03-09 02:05:56,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:56,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:56,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:56,640 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:56,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-09 02:05:56,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-09 02:05:56,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-09 02:05:56,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:56,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:56,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 02:05:56,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 33 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-03-09 02:05:57,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:57,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910609693] [2025-03-09 02:05:57,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066988652] [2025-03-09 02:05:57,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066988652] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:57,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:57,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:05:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971897] [2025-03-09 02:05:57,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:57,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:57,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:57,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:05:57,263 INFO L87 Difference]: Start difference. First operand 637 states and 790 transitions. Second operand has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-09 02:05:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:57,968 INFO L93 Difference]: Finished difference Result 647 states and 794 transitions. [2025-03-09 02:05:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:05:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 197 [2025-03-09 02:05:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:57,970 INFO L225 Difference]: With dead ends: 647 [2025-03-09 02:05:57,970 INFO L226 Difference]: Without dead ends: 607 [2025-03-09 02:05:57,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:05:57,971 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 28 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:57,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 910 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:05:57,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-09 02:05:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2025-03-09 02:05:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 477 states have (on average 1.421383647798742) internal successors, (678), 564 states have internal predecessors, (678), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 748 transitions. [2025-03-09 02:05:57,991 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 748 transitions. Word has length 197 [2025-03-09 02:05:57,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:57,992 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 748 transitions. [2025-03-09 02:05:57,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.875) internal successors, (143), 9 states have internal predecessors, (143), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-09 02:05:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 748 transitions. [2025-03-09 02:05:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-09 02:05:57,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:57,993 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:05:57,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-09 02:05:58,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-09 02:05:58,193 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:58,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:58,194 INFO L85 PathProgramCache]: Analyzing trace with hash 464769543, now seen corresponding path program 1 times [2025-03-09 02:05:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:58,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431674678] [2025-03-09 02:05:58,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:58,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-09 02:05:58,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:05:58,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:58,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:58,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654071244] [2025-03-09 02:05:58,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:05:58,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:58,216 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:58,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-09 02:05:58,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-09 02:05:58,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-09 02:05:58,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:05:58,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:58,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:05:58,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-09 02:05:58,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:58,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:58,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431674678] [2025-03-09 02:05:58,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:58,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654071244] [2025-03-09 02:05:58,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654071244] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:58,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:58,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-09 02:05:58,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054360130] [2025-03-09 02:05:58,458 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:58,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:05:58,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:58,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:05:58,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:58,459 INFO L87 Difference]: Start difference. First operand 603 states and 748 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:05:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:05:58,572 INFO L93 Difference]: Finished difference Result 694 states and 772 transitions. [2025-03-09 02:05:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:05:58,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 202 [2025-03-09 02:05:58,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:05:58,574 INFO L225 Difference]: With dead ends: 694 [2025-03-09 02:05:58,574 INFO L226 Difference]: Without dead ends: 693 [2025-03-09 02:05:58,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 02:05:58,575 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 189 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:05:58,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 709 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:05:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-03-09 02:05:58,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 603. [2025-03-09 02:05:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 477 states have (on average 1.419287211740042) internal successors, (677), 564 states have internal predecessors, (677), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:05:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 747 transitions. [2025-03-09 02:05:58,612 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 747 transitions. Word has length 202 [2025-03-09 02:05:58,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:05:58,612 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 747 transitions. [2025-03-09 02:05:58,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-09 02:05:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 747 transitions. [2025-03-09 02:05:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-09 02:05:58,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:05:58,613 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:05:58,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-09 02:05:58,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-09 02:05:58,814 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:05:58,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:05:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1351941391, now seen corresponding path program 2 times [2025-03-09 02:05:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:05:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973155653] [2025-03-09 02:05:58,814 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:58,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:05:58,822 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-09 02:05:58,840 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-09 02:05:58,840 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:58,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:05:58,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619989002] [2025-03-09 02:05:58,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:05:58,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:05:58,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:05:58,844 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:05:58,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-09 02:05:58,872 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-09 02:05:58,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-09 02:05:58,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:05:58,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:05:58,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 02:05:58,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:05:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:05:59,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:05:59,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:05:59,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973155653] [2025-03-09 02:05:59,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:05:59,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619989002] [2025-03-09 02:05:59,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619989002] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:05:59,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:05:59,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-09 02:05:59,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090286527] [2025-03-09 02:05:59,679 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:05:59,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 02:05:59,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:05:59,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 02:05:59,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:05:59,686 INFO L87 Difference]: Start difference. First operand 603 states and 747 transitions. Second operand has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:00,331 INFO L93 Difference]: Finished difference Result 645 states and 771 transitions. [2025-03-09 02:06:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 209 [2025-03-09 02:06:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:00,333 INFO L225 Difference]: With dead ends: 645 [2025-03-09 02:06:00,333 INFO L226 Difference]: Without dead ends: 623 [2025-03-09 02:06:00,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:00,333 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:00,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 496 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-03-09 02:06:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 611. [2025-03-09 02:06:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 485 states have (on average 1.3731958762886598) internal successors, (666), 571 states have internal predecessors, (666), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:06:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 736 transitions. [2025-03-09 02:06:00,347 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 736 transitions. Word has length 209 [2025-03-09 02:06:00,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:00,347 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 736 transitions. [2025-03-09 02:06:00,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-09 02:06:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 736 transitions. [2025-03-09 02:06:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-09 02:06:00,348 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:00,348 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:06:00,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:00,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:00,549 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:00,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1039489622, now seen corresponding path program 2 times [2025-03-09 02:06:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:00,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547507632] [2025-03-09 02:06:00,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:00,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:00,555 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-09 02:06:00,562 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-09 02:06:00,562 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:00,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:00,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:00,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547507632] [2025-03-09 02:06:00,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547507632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:00,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481350082] [2025-03-09 02:06:00,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:00,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:00,689 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:00,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-09 02:06:00,715 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-09 02:06:00,738 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-09 02:06:00,738 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:00,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:00,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:00,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:01,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:01,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481350082] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:01,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:01,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:06:01,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601252968] [2025-03-09 02:06:01,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:01,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:06:01,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:01,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:06:01,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:01,233 INFO L87 Difference]: Start difference. First operand 611 states and 736 transitions. Second operand has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:02,295 INFO L93 Difference]: Finished difference Result 611 states and 736 transitions. [2025-03-09 02:06:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 02:06:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2025-03-09 02:06:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:02,297 INFO L225 Difference]: With dead ends: 611 [2025-03-09 02:06:02,297 INFO L226 Difference]: Without dead ends: 604 [2025-03-09 02:06:02,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-03-09 02:06:02,297 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 373 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:02,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 660 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-09 02:06:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2025-03-09 02:06:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2025-03-09 02:06:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 485 states have (on average 1.3463917525773197) internal successors, (653), 564 states have internal predecessors, (653), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:06:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 723 transitions. [2025-03-09 02:06:02,311 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 723 transitions. Word has length 210 [2025-03-09 02:06:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:02,311 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 723 transitions. [2025-03-09 02:06:02,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.916666666666664) internal successors, (407), 13 states have internal predecessors, (407), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 723 transitions. [2025-03-09 02:06:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-09 02:06:02,312 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:02,312 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:06:02,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:02,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:02,513 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:02,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:02,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2135560301, now seen corresponding path program 2 times [2025-03-09 02:06:02,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:02,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962883535] [2025-03-09 02:06:02,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:02,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-09 02:06:02,527 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-09 02:06:02,527 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:02,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:02,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:02,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962883535] [2025-03-09 02:06:02,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962883535] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:02,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127507027] [2025-03-09 02:06:02,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:02,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:02,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:02,628 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:02,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-09 02:06:02,655 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-09 02:06:02,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-09 02:06:02,683 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:02,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:02,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 02:06:02,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:03,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:03,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127507027] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:03,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:06:03,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-09 02:06:03,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306536255] [2025-03-09 02:06:03,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:03,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:06:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:03,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:06:03,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:03,232 INFO L87 Difference]: Start difference. First operand 604 states and 723 transitions. Second operand has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:03,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:03,884 INFO L93 Difference]: Finished difference Result 672 states and 768 transitions. [2025-03-09 02:06:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 02:06:03,884 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 211 [2025-03-09 02:06:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:03,886 INFO L225 Difference]: With dead ends: 672 [2025-03-09 02:06:03,886 INFO L226 Difference]: Without dead ends: 670 [2025-03-09 02:06:03,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-03-09 02:06:03,887 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 517 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:03,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 764 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 02:06:03,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2025-03-09 02:06:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 629. [2025-03-09 02:06:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 507 states have (on average 1.3333333333333333) internal successors, (676), 586 states have internal predecessors, (676), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:06:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 752 transitions. [2025-03-09 02:06:03,904 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 752 transitions. Word has length 211 [2025-03-09 02:06:03,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:03,904 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 752 transitions. [2025-03-09 02:06:03,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.083333333333336) internal successors, (409), 13 states have internal predecessors, (409), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-09 02:06:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 752 transitions. [2025-03-09 02:06:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-09 02:06:03,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:03,906 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:06:03,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-09 02:06:04,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-09 02:06:04,107 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:04,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:04,107 INFO L85 PathProgramCache]: Analyzing trace with hash -720911413, now seen corresponding path program 1 times [2025-03-09 02:06:04,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:04,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610779084] [2025-03-09 02:06:04,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:04,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-09 02:06:04,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-09 02:06:04,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:04,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:04,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:04,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610779084] [2025-03-09 02:06:04,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610779084] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:04,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676542139] [2025-03-09 02:06:04,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:04,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:04,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:04,248 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:04,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-09 02:06:04,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-09 02:06:04,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-09 02:06:04,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:04,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:04,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 02:06:04,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:04,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:04,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676542139] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:04,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:04,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-09 02:06:04,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563411644] [2025-03-09 02:06:04,707 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:04,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 02:06:04,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:04,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 02:06:04,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-09 02:06:04,708 INFO L87 Difference]: Start difference. First operand 629 states and 752 transitions. Second operand has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-09 02:06:06,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:06,999 INFO L93 Difference]: Finished difference Result 636 states and 755 transitions. [2025-03-09 02:06:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:07,000 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 213 [2025-03-09 02:06:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:07,002 INFO L225 Difference]: With dead ends: 636 [2025-03-09 02:06:07,002 INFO L226 Difference]: Without dead ends: 624 [2025-03-09 02:06:07,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-03-09 02:06:07,002 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 899 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:07,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 702 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-09 02:06:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-03-09 02:06:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2025-03-09 02:06:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 580 states have internal predecessors, (664), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-09 02:06:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 740 transitions. [2025-03-09 02:06:07,027 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 740 transitions. Word has length 213 [2025-03-09 02:06:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:07,027 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 740 transitions. [2025-03-09 02:06:07,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.1) internal successors, (271), 11 states have internal predecessors, (271), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-09 02:06:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 740 transitions. [2025-03-09 02:06:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-03-09 02:06:07,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:07,028 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-09 02:06:07,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:07,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-09 02:06:07,228 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:07,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1835217212, now seen corresponding path program 1 times [2025-03-09 02:06:07,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:07,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667326210] [2025-03-09 02:06:07,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:07,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-09 02:06:07,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-09 02:06:07,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:07,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:07,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623236865] [2025-03-09 02:06:07,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:07,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:07,251 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:07,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-09 02:06:07,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-09 02:06:07,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-09 02:06:07,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:07,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:07,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 02:06:07,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:07,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-09 02:06:08,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:08,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667326210] [2025-03-09 02:06:08,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:08,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623236865] [2025-03-09 02:06:08,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623236865] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:08,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:08,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:08,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494025746] [2025-03-09 02:06:08,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:08,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:08,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:08,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:08,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:08,108 INFO L87 Difference]: Start difference. First operand 624 states and 740 transitions. Second operand has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:06:09,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:13,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:13,012 INFO L93 Difference]: Finished difference Result 1020 states and 1295 transitions. [2025-03-09 02:06:13,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 02:06:13,012 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 216 [2025-03-09 02:06:13,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:13,015 INFO L225 Difference]: With dead ends: 1020 [2025-03-09 02:06:13,015 INFO L226 Difference]: Without dead ends: 936 [2025-03-09 02:06:13,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-03-09 02:06:13,015 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1330 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:13,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1097 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-03-09 02:06:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2025-03-09 02:06:13,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 728. [2025-03-09 02:06:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 606 states have (on average 1.3283828382838283) internal successors, (805), 677 states have internal predecessors, (805), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:06:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 895 transitions. [2025-03-09 02:06:13,034 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 895 transitions. Word has length 216 [2025-03-09 02:06:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:13,034 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 895 transitions. [2025-03-09 02:06:13,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.266666666666666) internal successors, (304), 16 states have internal predecessors, (304), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-09 02:06:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 895 transitions. [2025-03-09 02:06:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-03-09 02:06:13,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:13,035 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:13,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:13,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-03-09 02:06:13,236 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:13,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash -571806832, now seen corresponding path program 2 times [2025-03-09 02:06:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821086716] [2025-03-09 02:06:13,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:13,242 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-09 02:06:13,256 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-09 02:06:13,257 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:13,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:13,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132853782] [2025-03-09 02:06:13,258 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:13,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:13,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:13,260 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:13,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-09 02:06:13,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-09 02:06:13,320 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-09 02:06:13,320 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:13,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:13,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-09 02:06:13,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:13,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:14,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:14,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821086716] [2025-03-09 02:06:14,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:14,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132853782] [2025-03-09 02:06:14,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132853782] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:14,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:14,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-09 02:06:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133360288] [2025-03-09 02:06:14,231 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:14,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 02:06:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:14,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 02:06:14,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:06:14,232 INFO L87 Difference]: Start difference. First operand 728 states and 895 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:15,043 INFO L93 Difference]: Finished difference Result 729 states and 895 transitions. [2025-03-09 02:06:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 02:06:15,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 258 [2025-03-09 02:06:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:15,045 INFO L225 Difference]: With dead ends: 729 [2025-03-09 02:06:15,045 INFO L226 Difference]: Without dead ends: 725 [2025-03-09 02:06:15,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:15,045 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 659 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:15,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 190 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 02:06:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2025-03-09 02:06:15,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 724. [2025-03-09 02:06:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.3052805280528053) internal successors, (791), 673 states have internal predecessors, (791), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:06:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 881 transitions. [2025-03-09 02:06:15,064 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 881 transitions. Word has length 258 [2025-03-09 02:06:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:15,069 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 881 transitions. [2025-03-09 02:06:15,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-09 02:06:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 881 transitions. [2025-03-09 02:06:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-09 02:06:15,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:15,070 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:15,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:15,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-09 02:06:15,270 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:15,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash -546142478, now seen corresponding path program 2 times [2025-03-09 02:06:15,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:15,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510807042] [2025-03-09 02:06:15,271 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:15,276 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-09 02:06:15,286 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:06:15,287 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:15,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:15,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703074930] [2025-03-09 02:06:15,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:15,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:15,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:15,290 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:15,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-09 02:06:15,316 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-09 02:06:15,348 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-09 02:06:15,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:15,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:15,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 02:06:15,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:15,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:16,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510807042] [2025-03-09 02:06:16,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:16,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703074930] [2025-03-09 02:06:16,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703074930] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:06:16,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:06:16,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-09 02:06:16,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837951840] [2025-03-09 02:06:16,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:16,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:06:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:16,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:06:16,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:16,117 INFO L87 Difference]: Start difference. First operand 724 states and 881 transitions. Second operand has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:16,994 INFO L93 Difference]: Finished difference Result 733 states and 881 transitions. [2025-03-09 02:06:16,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 02:06:16,994 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 259 [2025-03-09 02:06:16,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:16,996 INFO L225 Difference]: With dead ends: 733 [2025-03-09 02:06:16,996 INFO L226 Difference]: Without dead ends: 732 [2025-03-09 02:06:16,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-03-09 02:06:16,996 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 120 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:16,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 751 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 02:06:16,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-03-09 02:06:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 724. [2025-03-09 02:06:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 606 states have (on average 1.3036303630363035) internal successors, (790), 673 states have internal predecessors, (790), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-09 02:06:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 880 transitions. [2025-03-09 02:06:17,016 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 880 transitions. Word has length 259 [2025-03-09 02:06:17,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:17,016 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 880 transitions. [2025-03-09 02:06:17,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.22222222222222) internal successors, (182), 10 states have internal predecessors, (182), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-09 02:06:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 880 transitions. [2025-03-09 02:06:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-03-09 02:06:17,017 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:17,017 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:17,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-09 02:06:17,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-09 02:06:17,218 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:17,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:17,218 INFO L85 PathProgramCache]: Analyzing trace with hash -794317812, now seen corresponding path program 2 times [2025-03-09 02:06:17,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:17,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207263575] [2025-03-09 02:06:17,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:17,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-09 02:06:17,234 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-09 02:06:17,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:17,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:17,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2147435541] [2025-03-09 02:06:17,235 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:17,237 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:17,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-09 02:06:17,264 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-09 02:06:17,332 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-09 02:06:17,333 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:17,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:17,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 02:06:17,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:18,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:19,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:19,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207263575] [2025-03-09 02:06:19,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:19,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147435541] [2025-03-09 02:06:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147435541] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:19,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-09 02:06:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489298448] [2025-03-09 02:06:19,927 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:19,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 02:06:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:19,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 02:06:19,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-09 02:06:19,928 INFO L87 Difference]: Start difference. First operand 724 states and 880 transitions. Second operand has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:06:25,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:29,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:38,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:44,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:48,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-09 02:06:48,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:48,950 INFO L93 Difference]: Finished difference Result 760 states and 914 transitions. [2025-03-09 02:06:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 02:06:48,951 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 262 [2025-03-09 02:06:48,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:48,956 INFO L225 Difference]: With dead ends: 760 [2025-03-09 02:06:48,956 INFO L226 Difference]: Without dead ends: 754 [2025-03-09 02:06:48,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-03-09 02:06:48,957 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 28 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 2929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:48,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 694 Invalid, 2929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2897 Invalid, 4 Unknown, 0 Unchecked, 28.8s Time] [2025-03-09 02:06:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2025-03-09 02:06:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 736. [2025-03-09 02:06:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 617 states have (on average 1.2917341977309562) internal successors, (797), 684 states have internal predecessors, (797), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-09 02:06:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 889 transitions. [2025-03-09 02:06:48,977 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 889 transitions. Word has length 262 [2025-03-09 02:06:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:48,978 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 889 transitions. [2025-03-09 02:06:48,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 24.4) internal successors, (366), 16 states have internal predecessors, (366), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-03-09 02:06:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 889 transitions. [2025-03-09 02:06:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-09 02:06:48,979 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:48,979 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-03-09 02:06:48,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-09 02:06:49,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:49,179 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:49,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash -663973011, now seen corresponding path program 1 times [2025-03-09 02:06:49,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:49,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700962872] [2025-03-09 02:06:49,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:49,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:49,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:06:49,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:06:49,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:49,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:49,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182644845] [2025-03-09 02:06:49,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:06:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:49,198 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:49,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-09 02:06:49,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-09 02:06:49,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-09 02:06:49,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:06:49,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:49,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 02:06:49,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:49,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-09 02:06:49,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:49,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700962872] [2025-03-09 02:06:49,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:49,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182644845] [2025-03-09 02:06:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182644845] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:49,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-09 02:06:49,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289194050] [2025-03-09 02:06:49,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:49,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 02:06:49,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:49,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 02:06:49,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-09 02:06:49,663 INFO L87 Difference]: Start difference. First operand 736 states and 889 transitions. Second operand has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:49,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:49,973 INFO L93 Difference]: Finished difference Result 929 states and 1016 transitions. [2025-03-09 02:06:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 02:06:49,973 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 275 [2025-03-09 02:06:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:49,975 INFO L225 Difference]: With dead ends: 929 [2025-03-09 02:06:49,975 INFO L226 Difference]: Without dead ends: 927 [2025-03-09 02:06:49,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-09 02:06:49,975 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 1340 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:49,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 2160 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:06:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2025-03-09 02:06:49,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 735. [2025-03-09 02:06:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 617 states have (on average 1.2852512155591571) internal successors, (793), 683 states have internal predecessors, (793), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-09 02:06:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 885 transitions. [2025-03-09 02:06:49,998 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 885 transitions. Word has length 275 [2025-03-09 02:06:49,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:49,998 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 885 transitions. [2025-03-09 02:06:49,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 43.55555555555556) internal successors, (392), 10 states have internal predecessors, (392), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-09 02:06:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 885 transitions. [2025-03-09 02:06:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-03-09 02:06:49,999 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:49,999 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:06:50,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-09 02:06:50,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-03-09 02:06:50,200 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:50,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1560340215, now seen corresponding path program 2 times [2025-03-09 02:06:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:50,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948218545] [2025-03-09 02:06:50,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:50,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:50,206 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-09 02:06:50,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:06:50,225 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:50,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:50,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582312300] [2025-03-09 02:06:50,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 02:06:50,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:50,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:50,229 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:50,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-09 02:06:50,255 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-09 02:06:50,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-09 02:06:50,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 02:06:50,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:50,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-09 02:06:50,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:50,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:06:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-09 02:06:51,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:06:51,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948218545] [2025-03-09 02:06:51,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:06:51,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582312300] [2025-03-09 02:06:51,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582312300] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:06:51,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-09 02:06:51,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-09 02:06:51,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080993730] [2025-03-09 02:06:51,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-09 02:06:51,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-09 02:06:51,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:06:51,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-09 02:06:51,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-03-09 02:06:51,400 INFO L87 Difference]: Start difference. First operand 735 states and 885 transitions. Second operand has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-03-09 02:06:54,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:06:54,288 INFO L93 Difference]: Finished difference Result 870 states and 1077 transitions. [2025-03-09 02:06:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-09 02:06:54,288 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) Word has length 281 [2025-03-09 02:06:54,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:06:54,290 INFO L225 Difference]: With dead ends: 870 [2025-03-09 02:06:54,290 INFO L226 Difference]: Without dead ends: 830 [2025-03-09 02:06:54,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 02:06:54,292 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 732 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 4700 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-09 02:06:54,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 756 Invalid, 4780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4700 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-09 02:06:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2025-03-09 02:06:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 750. [2025-03-09 02:06:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 630 states have (on average 1.3031746031746032) internal successors, (821), 696 states have internal predecessors, (821), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-09 02:06:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 917 transitions. [2025-03-09 02:06:54,321 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 917 transitions. Word has length 281 [2025-03-09 02:06:54,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:06:54,321 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 917 transitions. [2025-03-09 02:06:54,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 20.736842105263158) internal successors, (394), 20 states have internal predecessors, (394), 8 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) [2025-03-09 02:06:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 917 transitions. [2025-03-09 02:06:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-09 02:06:54,322 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:06:54,322 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-03-09 02:06:54,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-09 02:06:54,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:54,523 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2025-03-09 02:06:54,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:06:54,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1099443287, now seen corresponding path program 3 times [2025-03-09 02:06:54,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:06:54,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680654073] [2025-03-09 02:06:54,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:06:54,530 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-09 02:06:54,548 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 293 of 293 statements. [2025-03-09 02:06:54,548 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 02:06:54,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:06:54,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932734232] [2025-03-09 02:06:54,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 02:06:54,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:06:54,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:06:54,551 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:06:54,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-09 02:06:54,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-09 02:06:54,605 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 102 of 293 statements. [2025-03-09 02:06:54,605 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-09 02:06:54,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:06:54,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-09 02:06:54,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:06:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 146 proven. 106 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2025-03-09 02:06:57,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:07:00,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:07:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680654073] [2025-03-09 02:07:00,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:07:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932734232] [2025-03-09 02:07:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932734232] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:07:00,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:07:00,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-09 02:07:00,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392768585] [2025-03-09 02:07:00,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-09 02:07:00,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 02:07:00,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:07:00,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 02:07:00,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2025-03-09 02:07:00,867 INFO L87 Difference]: Start difference. First operand 750 states and 917 transitions. Second operand has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9)